986 BENGAL PLANTS. [Quercus 
Involucre of many imbricating or zonally connate, adpressed bracts, 
s. 
usually open at the top, if closed unarmed; nut solitary ......... uercu 
Involucre entire, closed at the top, armed externally with bee of 
spines ; nuts 1-4 Castanopsis. 
877. Quercus Linn. 
Trees or shrubs, deciduous or evergreen; leaves simple, alter- 
nate, entire, toothed or lobed, ee stipules fugacious. 
Flowers small, moncecious, spicate; males in pendulous oF 
spikes, bracts small; females erect, bracts involucrate ; 
spikes usually 1-sexual, rarely androgynous. ¢ Sepals con- 
nate in a campanulate, 4—7- es or ane Sone Stam 
12; filaments slender; anther ect, ovate; cells con- 
tiguous; dehiscence longitu tadinal ideas. preten hairy, or 
Staminodes 0. Ovary after fertilisation more or less 
3-celled, rarely 4-5-celled ; ovules in each cell 2; styles 
3-5, short n ovoid sine or depressed 1-celled nut, 
convex, thick, fleshy, smooth, grooved, lobed, or ruminate ; radicle 
minute 
Male spikes lax-flowered, pendulous, deciduous, simple: bracts of the 
shallow, cupular involucre connate in concentric belts; leaves serrate 
towards the apex velutind. 
e spikes dense-flowered, erect, stout, more or less eeiess simple 
ew eweeeel 
Involucre cupular, op of nut esi — 
racts of the involucre chides - tips free :— 
Leaves elliptic-lanceolate, 7-12 in. long, awake cuneate in 
ower fifth; nut abruptly take to the apex ....-. acuminata. 
pex 
Leaves lanceolate, 5-7 in. long, gradually cuneate in lower third; 
nut gradually narrowed from middle towards apex 
spicata yar. rie 
Bracts of the involucre connate in concentric belts .. Thom 
Involucre closed at the apex, eee the nut, souied with 3-4 iia 
wavy, often interrupted ridge: lanceefolia- 
1990. QuERcus veLUTINA Lindl.; F. B. I. v. 606. 
