Five new species of Heteropterys (Malpighiaceae) from Central and South America. Brittonia 54: 217–232. 2002.—Five new taxa of Heteropterys H. B. K. subsect. Aptychia Nied. are described, illustrated, and mapped: H. andina from Peru; H. minutiflora from Costa Rica; and H. bullata, H. capixaba, and H. oberdanii, from the Atlantic coastal forest of Brazil. The affinities and diagnostic characters of each species are discussed.

Five new species of Heteropterys (Malpighiaceae) from Central and South America. Brittonia 54: 217–232. 2002.—Cinco taxa de Heteropterys H. B. K. subsect. Aptychia Nied. são descritas como novas, ilustradas e mapeadas: H. andina do Peru; H. minutiflora da Costa Rica; e H. bullata, H. capixaba e H. oberdanii, da Floresta Atlântica no Brasil. São apontadas as afinidades e os caracteres diagnósticos de cada espécie.

Vantanea ovicarpa (Humiriaceae), a new species from French Guiana. Brittonia 54: 233–235. 2002.—Vantanea ovicarpa, a new species from French Guiana, is described and illustrated.

New species of Ficus (Moraceae) from Brazil. Brittonia 54: 236–250. 2002.—Eight new species from Brazil, Ficus acreana, F. bahiensis, F. duartei, F. duckeana, F. hatschbachii, F. lagoensis, F. laureola, and F. rupicola, are described and illustrated. The new species are compared with other species of the genus.

Studies of the Myristicaceae: An overview of the Compsoneura atopa complex, with descriptions of new species from Colombia. Brittonia 54: 251–261. 2002.—The Compsoneura atopa complex (Myristicaceae) is a group of four narrowly distributed species known only from southern Panama and adjacent northwestern Colombia. As a group, these species are unmistakable in their combination of strongly brochidodromous secondary venation; ridged, rostrate, and ligneous fruit pericarp; and ferrugineous tomentum of sparsely to densely distributed, irregularly stellate trichomes on leaf lamina, petioles, young stems, inflorescences, external perianth surfaces, and external fruit pericarp. Compsoneura anoriensis and Compsoneura claroensis are described from the Río Anorí and Río Magdalena valleys of Colombia, respectively. Descriptions and diagnostic keys are presented for all species in this group.

Tylopilus alkalixanthus, a new species of Boletaceae from from Costa Rica and Japan. Brittonia 54: 262–265. 2002.—Tylopilus alkalixanthus is described from the Cordillera Talamanca of Costa Rica. At the present time it is known only from Costa Rica and Japan.

Notes on Dacryodes Vahl, including a new species from the Rio Negro basin in Amazonia. Studies in neotropical Burseraceae. XI. Brittonia 54: 266–274. 2002.—Dacryodes is a poorly known pantropical genus of some 67 species; a new revision now under way reveals that the Neotropical region is home to at least 36 species, 14 of them undescribed. The genus is introduced with a brief taxonomic history, a presentation of the putative differences from Pseudodacryodes, a discussion of the infrageneric classification, and a preliminary comparison of Neo- and Paleotropical taxa. Characteristics that make the genus difficult to study are pointed out. Dacryodes negrensis, the first in a series of new taxa, is described and illustrated.

Daly, Douglas C. (The New York Botanical Garden, Bronx, NY 10458-5126, U.S.A.; email: ddaly@nybg.org) and María Cristina Martínez-Habibe (Instituto de Ciencias Naturales, Universidad Nacional de Colombia). Notes on Dacryodes Vahl, including a new species from the Rio Negro basin in Amazonia. Studies in neotropical Burseraceae. XI. Brittonia 54: 266–274. 2002.—Dacryodes es un género poco conocido, pantropical, compuesto por 67 especies; la región Neotropical alberga por lo menos 36 especies, 14 de ellas sin describir. El género es presentado a través de una breve reseña taxonómica, descripción de las diferencias mas significativas desde Pseudodacryodes, discusiones sobre la clasificación infragenérica y una comparación preliminar entre los taxa Neo- y Paleotropicales. Se resaltan las características que dificultan el estudio del género. Dacryodes negrensis, el primero de una serie de nuevos taxa, es descrito e ilustrado.

A new species of Tetracera (Dilleniaceae) from Guyana. Brittonia 54: 275–278. 2002.—A new species of the genus Tetracera (T. maguirei) from the sandstone savannas and shrubby forests in Guyana is described, illustrated, and compared to T. asperula Miq. A key to the species of Tetracera from the Guianas is provided.

Miscellaneous new taxa of Bromeliaceae (XVI). Brittonia 54:279–285. 2002.—Four new taxa of Bromeliaceae are described: Billbergia acreana from Brazil; Pitcairnia chocoensis from Colombia; and Guzmania diazii and Pitcairnia filifera from Peru. Also included is the new name Werauhia moralesii from Costa Rica. Miscellaneous new taxa of Bromeliaceae (XV) appeared in Selbyana 21: 125–131. 2000.

New species of Justicia (Acanthaceae) from the Guianas. Brittonia 54: 286–297. 2002.—Four new species, Justicia oldemanii, J. mcdowellii, J. wilhelminensis, and J. prevostiae are described, illustrated, and compared with their closest relatives. A key to species of Justicia from the Guianas is also provided.

New species and a new record of Cycas (Cycadaceae) from Thailand. Brittonia 54:298–304. 2002.—Two new Cycas species from Thailand are here described. C. petraea and C. elephantipes. A noteworthy extension of the range of C. macrocarpa into southeastern Thailand is recorded. New taxa are illustrated, distributions of the new taxa are mapped, and a key to the species of Cycas in Thailand is provided.

Circumscripton and lectotypification of Cycas rumphii (Cycadaceae). Brittonia 54: 305–309. 2002.—The misapplied name Cycas rumphii Miquel is demonstrated to be based on discordant elements, and is lectotypified by excluding the discordant elements of the protologue. Synonymy and misapplications of the name are provided.

A further evaluation of Echites sect. Yucatanense (Apocynaceae) with additional notes on the genus. Brittonia 54:310–317. 2002.—The species Echites turrigera Woodson has been considered a synonym of E. yucatanensis Millsp. Evidence presented here shows that the two species are distinct. In addition, Echites parviflora Sessé & Moç. is presented here as a synonym of E. woodsoniana Monach.

Pictolejeunea reginae, a new species of Lejeuneaceae (Hepaticae) from Venezuela. Brittonia 54: 318–321. 2002.—Pictolejeunea reginae, a new species from Venezuela is described and illustrated. It is the type of the new subgenus Neopictolejeunea Ilkiu-Borges, which is characterized by entire underleaves. A key to the two subgenera and four known species of Pictolejeunea is provided.

Pictolejeunea reginae, a new species of Lejeuneaceae (Hepaticae) from Venezuela. Brittonia 54: 318–321. 2002.—Pictolejeunea reginae, uma nova espécie encontrada na Venezuela, é descrita e ilustrada. A espécie é tratada como tipo do novo subgênero Neopictolejeunea Ilkiu-Borges, caracterizada pelos anfigastros inteiros. É apresentada uma chave para os dois subgêneros e as quatro espécies de Pictolejeunea.

New combinations in South American Myricaceae. Brittonia 54: 322–326. 2002.—New combinations and lectotypification are made of the South American species formerly of Myrica in the genus Morella. A key and a list of synonyms are presented.

Parra-O., C. (Instituto de Ciencias Naturales—Universidad Nacional de Colombia, Apartado Aereo 7495, Bogotá, Colombia; email: carlospa@ciencias.unal.edu.co). New combinations in South American Myricaceae. Brittonia 54: 322–326. 2002.—Se presentan las nuevas combinaciones y las lectotipificaciones necesarias para transferir a Morella las especies suramericanas anteriormente asignadas a Myrica. Además se incluyen una clave y una lista de sinónimos.

Martiodendron fluminense (Leguminosae, Caesalpinioideae), a new species from the Atlantic coast rainforest of Brazil. Brittonia 54: 327–330. 2002.—A new species of Leguminosae is described and illustrated: Martiodendron fluminense, the southernmost and the only species of the genus to occur in the Atlantic forests of southeastern Brazil.

New species and combinations in Thelypteris subg. Goniopteris (Thelypteridaceae). Brittonia 54: 331–339. 2002.—Three new species of Thelypteris are described and illustrated: T. littoralis and T. paranaensis, endemic to the rainforest of the southern Brazilian Atlantic coast, and T. multigemmifera, endemic to inland gallery forests of the São Paulo state. In addition, four new combinations are made: T. cutiataensis (Brade) Salino, T. iguapensis (C. Chr.) Salino, T. monosora (C. Presl) Salino, and T. schwackeana (H. Christ in C. Chr.) Salino. A new name is proposed for Dryopteris lugubris var. quadrangularis: T. montana Salino. The species treated here belong to Thelypteris subg. Goniopteris due to the indument of furcate and stellate trichomes.

Rhynchospora pseudomacrostachya, a new Brazilian species of Cyperaceae. Brittonia 54: 340–343. 2002.—Rhynchospora pseudomacrostachya (Cyperaceae) is restricted to the southern Brazil states of Rio Grande do Sul and Santa Catarina. Previously, material of R. pseudomacrostachya had been thought to belong to R. corniculata var. macrostachya (Torr. ex A. Gray) Britton (R. macrostachya Torr. ex A. Gray) of North America. However, R. pseudomacrostachya can be distinguished from the North American taxon on the basis of achene and inflorescence characters.

Novae Gesneriaceae Neotropicarum XI. New genera and species from the Guianas. Brittonia 54: 344–351. 2002.—Two new genera of Gesneriaceae are described, Lampadaria and Cremersia, each with one new species: Lampadaria rupestris from Guyana and Cremersia platula from French Guiana, both belonging to the tribe Episcieae. The placement of Lembocarpus in the Episcieae near Cremersia and Rhoogeton is proposed.

Novae Gesneriaceae Neotropicarum XII. New species of Gesneriaceae from the Guianas. Brittonia 54: 352–361. 2002.—Five new species of Gesneriaceae are described from the Guianas: Nautilocalyx coccineus, Paradrymonia anisophylla, and Paradrymonia barbata in the tribe Episcieae, from Guyana; Napeanthus angustifolius from French Guiana and Napeanthus rupicola from Guyana in the tribe Napeantheae.