582 MONOECIA TETRANDRIA, Urtica, 
not ripened its seed, owing, I presume, to our plant, so far as 
I have been able to observe, bearing only female-flowers, 
Root ramous, perennial, Stems herbaceous, erect, about 
three feet high, and with but few branches, four grooved on 
the sides, with but few angles rounded, and every part armed 
with numerous, strong, very sharp, clear, stinging bristles. - 
Leaves opposite, petioled, ovate, and ovate lanceolate, grossly 
serrate, wrinkled, about three inches long, by one bread. 
Petioles scarcely half the length of the leaves, armed, Sii- 
pules opposite, entire, oblong, conic, FEMALE FLOWERS, 
Panicles quatern, that is, two iv each axill, as in U. dioeca, 
which it most resembles, lowers very minute, green. Calyx 
of two opposite pairs of oval leaflets, Stamina none, Germ 
oval, Style none. Stigma a pencil of white hairs. 
8. U. trinervia. R, 
Shrubby. Leaves oppoaite; Socal inaeniotes crenate, dis- 
tinctly three-nerved to the apex, panicles axillary, the length — 
of the petioles, 
A native of Chittagong, where it blossoms in April. 
4, U. alienata, Syst. Veg. 709. 
iieonl: erect while young ; branches brachiate. Leaves 
opposite, petioled, ovate, three-nerved, entire. Flowers axil- 
lary, sessile, female calyx urceolate, 
_ Beehmeria alienata. Wil/d. iv. 341. 
_ Parieteria Zeylanica. Linn. Sp. 1492, 
- Parieteria Cochin-chinensis, Lour, Cochin Ch. 456. 
A native of Ceylon, and introduced by General Macdowall 
into the Botanic garden where it blossoms during the rains. 
Root ramous, annual, Stem erect, nearly round, ’ somew hat 
scabrous, Branches from two to three pairs, decussate, 
heieht of the whole plant from six to twelve inches. Leaves 
opposite, petioled, ovate, three-nerved, entire, somewhat sca-_ 
brous underneath, length from one to two inches. Stipules 
two on each side, acute and slender. Flowers axillary, Se 
