618 PENTANDRIA MONOGYNIA. Biittnera, 
called the hill fever. I conceive every part of this plant to 
be possessed of strong, stimulating powers, and have no 
doubt but under proper management it might prove a valu- 
able medicine where stimulants are required. 
BUTTNERA. Schreb. gen. N. 366. 
_ Calyx five-leaved. Corol five-petalled. Nectary stami- ~ 
niferous, surrounding the five-celled superior germ, Anthers 
double. Capsules quinquecoccea. Embryo inverse ; Sai 
perm scanty, 
1. B. pilosa, R. 
Shrubby, twining, hairy, Leaves from three to five, acute~ 
angled, dentate. Umbels axillary, proliferous. 
. - A most extensive, twining shrub; a native of Chittagong. 
The flowering time in the Botanic garden at Calcutta is Sep- 
tember. The seeds are ripe in renters I have also had — 
mens from Silhet. 
» Stem woody, twining, in five years old plants as thick asa_ 
man’s wrist, and irregularly obtuse-sulcate. Branches nu- 
merous, twining up and over large trees, to a very great ex- 
tent; the younger ones very hairy, and irregularly obtuse-’ 
sulcate, Leaves alternate, petioled, having from three to five 
acute angles, dentate, posterior lobes large and rounded; 
about seven-nerved, with a large, long gland on the middle: 
one near the base, fron four to six inches each way. Peti-' 
oles round, often. as long as the leaves, hairy. Stipules subu-? 
late, hairy. Umbels axillary, generally one large, and saper- 
decompound ; and two or more smaller, all are clothed with: 
short, harsh pubescence, and are much shorter than the leaves. 
Bractes subulate. Flowers numerous, small. Calyx of five, 
spreading, pale-coloured, lanceolate leaflets. Petals fives. 
the lower third part of their length linear, yellow on the out. 
aN oth within 5 ‘much’ ineurved so as to forma circular 
al 7 Y, open at the five sides, and 
