250 schomburgk's guiana plants. 



pedunculis brevibus incrassatis subbifidis racemoso-niulti- 

 floris, pedicellis calyce longioribus, laciniis calycinis ovali- 

 oblongis obtusis, corolla hypocrateriformi glabra. — Adescrip- 

 tione E. subspicata, ( Vahl) differt foliis latioribus et pedicellis 

 3 — 4 lin. Joiigis. — Folia basi supra 2 — 3-glandulosa. Brac- 

 teas parvae. Corollae rosese tubus pollicaris, supra inserti- 

 onem staminum paullo incrassatus, intus intra stamina pilis 

 paucis barbatus ; faux leviter constricta et obscure annulata, at 

 non squamata. Limbi lacinise breves, latae, aequiiateree. 



Folliculi 8 10 poll, longi, maturi, liberi. — British Guiana, 



Schomburgk, n. 311. 



571. Haemadictyon marginatum (sp. n.) ; volubile, glaber- 

 rimum, foliis oblongis acuminatis basi angustatis coriaceis 

 supra nitidis, margine subtus incrassato leviter recurvo.— 

 Folia 2 — 3-pollicaria. Pedunculi folio longiores, apice race- 

 mosi, pluriflori. Bractese minutse. Calyx et corolla oninino 

 H. venosi Pirara, British Guiana, Schomburgk, n. 713. 



572. Viesloma latifolia (sp. n.) ; foliis brevissime petiolatis 

 late ovatis acuminatis supra pubescentibus subtus ramis in- 

 florescentiaque rufo-lanatis, coryrnbis congestis, calycis laci- 

 niis tube corollae vix brevioribus. — Folia 4 — 5 poll, longa, 3 

 poll, lata, mollia. Corymbi breviter pedunculati, densi, multi- 

 flori. Calycis lacinise foliacese, fere semipollicares, intus 

 pubescentes, et basi squama ciliata auctse. Corolla lutea, 

 extus villosissima, tubo elongato conico, laciniis limbi ovatis 

 intus glabris. Faux annulata et 5-squamata. Antheraruni 

 apices e tubo exsertse. Squamae hypogynoe ovario longiores, 

 in urceolam connatae.— Savannahs, Pirara, Schomburgk, n. 

 753. 



573. A scandent Apocyneous plant with small hypocrateri- 

 form flowers, probably a new genus, but which I refrain from 



describing as the fruit is unknown On Indian fields, Cur- 



rassawaka, Schomburgk, n. 599. 



574. A shrubby Apocyneous plant, perhaps an Ambelama, 

 but of which, witliout the fruit, I am at present unable to 

 determine the genus. — In the Conocon Mountains, Schom- 

 burgk, n. 779. 



(To be continued.) 



