218 HEPTANDRIA MONOGYNIA. Jonesia. 
Femaue. Calyx asin the male. Corol none. Stamens 
none, Germ superior, conical. Style longer than the 
calyx. Stigmaheaded, Pericarp none, the calyx now 
enlarged, and contracted at the mouths serves for one, 
It is five-sided, each angle being armed with two or three 
_rows of conical, headed, very glutinous glands. Seeds 
one, nearly cylindric, &c. as described by Geertner. | 
It makes most excellent,impenetrable fences, and when 
fairly caught in its trammels, it is no easy matter to be 
extricated, the prickles being so numerous, strong, crook- 
‘ed, and sharp. Both Konig and myself were so situated a- 
mongst the Vandalore hills near Madras, and hence be 
named it T. horrida, not at that time suspecting it tale : 
Pisonia aculeata. 
Plants received from the West Indies into the Botamie ‘ 
carden at Calcutta, do not in any respect differ from our 
Fast Indian one, which grows common in forests, hedges, 
&e. Hi 
J ONESTA. R. 
Calyx two-leaved. Corol infundibuliform, the tabe 
fleshy and closed, border four-parted. Nectary, a stami- — 
-niferous and pistiliferous ring crowning the mouth of the 
tube. Germ pedicelled. Legume turgid, from four to eg 
seeded. 
J. asoca, R. in Asiat. Res. 4, 355. Y 
Leafleis five pair, lanceolate. Flowers heptandrous. 
Jonesia pinnata. Willd. 2. 287. f 
Asoca. Asiat. Res. 3. 254, and 4. 274. 
Asjogam. Rheed. Mal. 5. p. 117. tab. 59. 
Beng. Usok. o 
Found in gardens about Calcutta, where it grows to 
be a very handsome, middling sized, ramous tree; flowet- 
ing time the beginning of the hot season; the seeds hao 2 
during the rains, 
