— Quercus. MONORCIA POLYANDRIA, 633 
far as to raise them above ground, they are deeply divided, 
nearly to the base, into two hifid segments. Plumula two- 
lobed. adicle superior, 
QUERCUS. Schreb. gen. N. 1447. 
Male calyx generally five-cleft. Corol none. Stamina 
from five to ten, or more. Female calyx entire, rugged. 
Corol none, Styles from two to five. Mut more or less em- 
braced by the permanent calyx. .&mbryo inverse, without 
perisperm. 
1. Q. fenestrata. R. 
Leaves petioled, lanceolar, entire, finely acuminate, firm 
and polished. Spikes panicled, terminal. Flowers tern ; 
male dodecandrous. Nut hemispherical, all but the obtuse 
apex hid in the oblately spherical, maricated cup. 
A large tree, yielding wood of a good quality, a native of 
the mountains in the vicinity of Silhet, where it is called 
Kala chukma by the natives, Flowering time October and 
November ; the seed takes nearly one year to ripen. 
Young shoots, and indeed all the other tender parts particu- 
ial smooth. Leaves alternate, petioled, narrow-lanceolar, 
entire, finely acuminate, firm and polished ; from six to eight 
inches long, by one and a half broad, Spikes terminal, becom- 
ing lateral by the growth of the branchlets, very numerous, 
forming many crowded panicles about the ends of the twigs, 
_ by far the greatest number male, and more slender than the 
female ones, all are erect, or nearly so; flowers tern, male 
dodecandrous,.. Znvolucre composed of many small, acute 
scales, Germ inferior, three-celled, with two ovula in each at- 
tached to the top of their cell, Style three-cleft. Nuts sub- 
globular, smooth, of a chesnut-colour, all except a small cir- 
_ cular portion of the vertex completely covered by the sphe- 
_ rical, slightly echinated, thin cup,as if peepee os manent 
_ circular window. Hence the specific name, — . 
VOL, Il, : 48 
