195 
sexus minoribus maris singulis petiolisque brevioribus, ab hac 
foliis margine hyalinis antheris intra tubum corollae insertis 
caulibus dextrorsum volubilibus distinguenda. 
longis suffulti; ramii secundarii (spicae propriae), 4-10 cm. longi 
pluriflori; rhachis angulata maculis rubris crebre notata; flores 
inter se 2-4 mm. remoti; bracteae ovato-acuminatae, 1 mm. 
6; antherae fere sessiles, globosae, prope basin tubi circa ovarii 
flores inter se 1-8 mm. remoti; bracteae iis maris conformes 
perbrevis; stigma 3-lobum, lobis ovatis integris recurvo- 
explanatis. Capsula reflexa, obovato-oblonga, apice subtruncata, 
em. longa, 2-2:25 cm: lata. Semina circumcirca alata.—”. 
parvifolia, Sagot MSS. in Herb. Kew, non Philippi. D. parvi- 
flora, Benth. Mus. in Herb. Kew, non Philippi. D. melastomati- 
folia, Harms MSS. in Herb. Kew partim, non Uline. 
Sourn America. British Guiana; Berbice, Richd. Schom- 
burgk 224; Berbice River, Jenman 1701. French Guiana; 
Karouany, Sagot 860. 
The Dioscorea described abov 
Apodostemon, Uline, and is referable to the subsection, 
recognised by Mr. Uline, in which the plane of insertion of the 
Stamens is trigonous in outline. 
in 1837 by Dr. Richard Schomburgk, at Berbice, and was 
224. 
in this Berbice Dioscorea an undescribed species, which he named 
D, truncata, evidently with reference to the shape of the ripe 
