ee, a ee ee 
Puate 2652. 
RANALISMA ROSTRATA, Stapf. 
ALISMACEX, 
Ra a Stapf (gen. nov.). Flores hermaphroditi. Sepala 3 
herbaceo-membranacea, persistentia, post anthesin deflexa. Petala 
sepalis hubequalix, decidua. sin sub cree convexus, Fiteenery 
yatus. tame 
ovato-elliptica, submembranacen. orescentia cymosa, cyma me 
rumque ad florem solitariwm fea reducta, rartus 2-3-flora. 
R. rostrata, Stapf (sp. unica).  Stolones longi, graciles. olia 
conformia ; petiolus ad 8 poll. longus; lamina subapiculata, basi 
rotundata vel subcordata, 1-1} poll. longa, ? ad fere 1 poll. lata, 
er 
? 
nacex, basi connate. Pedicelli 4- 3 poll. longi. Sepala late elliptica, 
obtusa, 2 lin. longa. Petala tenula, obovato- elliptica, 2 lin. lon 
abrupte r rostrata, circumcirca alata, circiter 15-1} lin. longa, restro 
1-1} lin. longo non computato. 
Tropicat Asta: Malay Peninsula, Selangor, Gua Batu woods, 
H.N. Ht 8464, 
micropyle. The elongated torus pe point to Sagittaria and Lophio- 
carpus, but the whole facies of the plant and the absence of any 
dimorphism in the flowers are against the assumption of a close 
blance of the Rowen: and fruits of a plant with those of certain 
species of Ranunculus,—Orro STA 
Fig. 1 ower and bracts ; 2, ‘ stamen ; 3, a young carpel; 4, section of a fruit ; 
5, a avo * an embryo, —All en arged. 
SERIES IV, VOL, VII. PART Il. - 
