87 
MiTRASACME. 
- Mitrasacme crystallina, Gr., P. CCCLXXXIII. Fig. II. 
Cal. tubo brevi angulato, paulo ultra medium 4-partitus, 
laciniis lanceolatis acutis subzequalibus. Cor. tubo sepalis 4 
breviore angulato? limbo, 4-partita, laciniis ovatibus obtusis 
sepalis alternantibus zestivatione imbricatis, 
Stam. 4 subzequalia laciniis corollinis alterna, inclusa. Fi- 
lam. cellulosa fasciculo centrali vasorum pertenui. Antherze, 
Ovatz basi subsagittatze postice. Pollen lzve. 
Ovarium biloculare, placentis 2 carnosis medio septis affixis 
ovula 00. gerentibus. Stylus basi bifidus, apice continuis 
sed solubilis. Stigma subbilobum capitato-papillosum. 
apsula membranacea calyce incluso, apice exserto, tan- 
tum. Stylo stigmateque persistente coronatum, inter fissuras 
Stylo bases dehiscens, bilocularis, polysperma. Placente e 
Septis solubiles! decidua semena 00. (immatura) oblonga 
Vel rotunda, testa carnoso-cellulosa, corpore nuncleo opaco 
continens, ma/uriora pallide cinerea, testa areolata, albumi- 
nosa. Embryo minimus. 
Herba pussilla, erecta ramosa, omnibus partibus crystal- 
lino-cellulosa. Fol. basi connata lineari-lanceolata acuta. 
Fedunculi graciles solitari vel gemine in axillis foliorum 
(non Opposito). Flores inconspicui albi. Anthere lutez. 
AB. Bengala Paulo infra Jumalpore: in arenosis. Sep- 
tember 15th, 1835. 
The ovula resemble much in form those of Asclepiadeze 
and (all?) Apocyneze, that is, they present, when half develop- 
ed, no traces of distinct coats. They appear to be destitute of 
groove first described by Dr. Brown, as existing in As- 
clepiadez and most perhaps in all Apocynez, The part corres- 
Ponding with this groove is somewhat papillose and to its apex, 
Ne pollen, tube becomes applied. These tubes appear rather 
empty, I could not trace them down the style. In two 
Cases I observed them applied to the ovula, and in one or 
more passing over the placenta: I caa state nothing as to 
