Datura (Brugmansia) suaveolens, Humb., Bonpl. Izabal. Physalis peruviana, L. Capsicum frutescens, L. annuum, L. Crescentia Cujete, L. Jutiapa and dry uplands generally. Jacaranda sp. Fine tree, Chocon. Bignoniaceae. 3 sp. Chocon forests, 1 sp. Antigua. Achimenes coccinea, Pers. Chixoy Valley. Martynia sp. Chixoy Valley. Jacobinia aurea, Hemsl. Chocon, Quirigua. Ipomœa bona-nox, L. Batatas, Lam. Quamoclit, L. Calonyction sp. Eight other convolvulaceæ noticed. Cuscuta sp. Zacapa. Cordia Sebestina, Jacq. Escuintla. Heliotropium curassavicum, L. San José. Salvia coccinea, L. Santa Cruz del Quiché. 3 other sp. Lantana sp. Esquipulas. Avicennia nitida, Jacq. Golfete. Pinus cubensis, Griseb. macrophylla, Parlat. Ayacahuite, Erenb. filifolia, Lindl. Abies sp. Monstera (2 sp.). Livingston, Chocon. Aroids of many sp. and several genera. Wolfia punctata, Gr. Rio Chocon. Typha sp. Euterpe oleracea, Mart. edulis. Oreodoxa oleracea. Manicaria Plukenetii, Gr. and Wendl. Livingston. Desmoncus sp. Acrocomia vinifera, Oersted. Izabal, Chixoy Valley. Acrocomia sclerocarpa. Cocos nucifera, L. Attalea cohune, Mart. Bactris balanoidea, Wendl. Izabal. cohune, Watson. Chocon. Twenty-five sp. palms were collected at Chocon, but have not been determined yet. Commelyna cayennensis, Rich. San Felipe, 2 sp. Cunen. Pontederia sp. pink flowers. Livingston. Bambusa (2 sp.). Motagua, Chocon. Zea Mays, L. Agave americana, L. ixtli, Karw. Fourcroya gigantea, Vent. Pancratium caribæum, L. (?) Cayo Grande, Rio Polochic. Crinum sp. Rio Dulce. Smilax officinalis. Chocon. Ananassa sativa, Lindl. Izabal, Chixoy Valley. Bromelia Pinguin, L. Jutiapa. Karatas, Lemair. Jutiapa. Pita. Tillandsia (2 sp.). Bromeliaceæ (several sp.). Rio Dulce. Heliconia Bihai, L. Pansos, Quirigua. sp. Quirigua, Rio Dulce. Renealmia sp. Zinziber sp. Maranta (2 sp.). Vanilla planifolia, Andr. Chocon. Epidendrum bicornutum, Hook. Schomburgkia tubicina, Lindl. Oncidium citrinum, Lindl. Los Amates. iridifolium. HBK. Notylia guatemalensis, Watson. Ornithocephalus Pottsiæ, Watson. Bletia Pottsii, Watson. Salvinia auriculata, Aubl. The number of Orchidaceæ in Guatemala is very large. A LIST OF WORKS RELATING TO CENTRAL AMERICA. A full bibliography of works that contain information about the region through which we have been travelling together would fill a volume much larger than the present; but the following brief list of some of the more important titles may aid those who are interested in the past history or the future prospects of the tropical part of this continent. I have not thought it worth while to mention those unprinted works not at present accessible to the public, nor the ephemeral publications of simple tourists:—