76 ICONES PLANTARUM. 
sigillatim v. per 2-3 — subsessile, Perianthii segmenta anguste 
oblonga, patentia, ad 3 on tamina triente v. fere dim idio 
us. 
all the species of Ehipogonum I find the ovules laterally attached 
sbont the middle and a mp! oo a: ae and orthotropous 
etymology of the generic name was given by Norien himself (Char. 
Gen. 50), not ~ a amaaey by Hooker, as supposed by A. De 
Candolle.—G. Bent 
Fig. 1. Flower. 2. eo per 3. Pistil. 4. Ovary, transverse section. 5. The 
same, vertical section 
Piates 1397, 1398. 
DIOSCOREA BUCHANANI, Benth. 
DIOScOREACER, 
uchanani, Benth. sp. nov., foliis alternis late ovato-tria: angularibus 
late dinaamduais integris v. utrinque basi lobo brevi oa auctis 
7-nervibus, racemis axillaribus simplicibus, masculis s densis, 
perianthio subherbaceo lobis acutis, staminibus 6, foemineis Palangats 
dissitifloris, ca a. (cum alis) obovatis, seminibus orbiculatis ala 
undique circumdatis 
Has. Tropical Africa, Shiré Highlands, Zambesia, Buchanan. 
Dioica, alte volubilis, glabra. Folia membranacea, 2-5 po longa, 
oll. 1 
basi 11-3 poll. lata, apice subacumine brevi rotundata, suricnhabasalie us 
rotundintins membranaces, venulis inter venas transversis subreticulata, 
petiolo 1— 1}-pollicari basi seepius torto. acemt 14 ee pollicares, 
a basi den siflori, pedicellis 1-1} lin. longis minute brac s. 
anthium quam er s, campanulatum, kes ad eat 
» pro sin 
segme m affixa lisque ig breviora ; anthers ovate, dorsifixe. 
Pistilli rodinbinsaie 0 acemi sub anthesi 3-4-pollicares, 
fioribus sessilibus dissitis. Porionthoaia supra Ovarium 6-par ae 
segmentis angustis acuti 2 lin. longis. Staminodia minu 
Ovarium lineare, 3-4 lin. longum, 3-loculare, ovulis in qu oque lo oie 2 
superpositis pendulis. Stylus ‘columnaris, stigmatibus 3 brevibus 
SR MATE 
Sass 
nn he Se 
