259 



Spec. Chak. Younger 'branches glabrous: leaves lanceolate or 

 oblong, acaminate, entire, coriaceous, glabrous : aments erect, long, 

 simple or brajiched ; male flowers usually solitary : bracts 3, ovate, 

 pubescent outside, lateral ones smaller : lobes of the 6-parted 

 perianth ovate, puberulous outside : female flowers scattered, 

 spiked : fruit alternate : cup ovoid, narrowed at the base, closed or 

 irregularly cleft at the apex, slightly velvetty outside, zones 4 — 6- 

 obUque and horizontal, linear, obscurely crenato-dentate : acorn 

 ovoid, somewhat silky. 



SUhet. Eastern Bengal 



GElsniS II. CASTANOPSIS. 

 Monceoia Enneandvla. Sex: Systi 



Deriv. Plants resembling the Chestnut tree. 



Geit. Chak. Male flowers fascicled on an ament, surrounded by 

 bracts : perianth regular, 5 — 6-lobed, stamens usually twice the 

 number of the lobes : filaments slender, elongated : anthers very 

 small, 2-celled : rudimentary pistil globose, free, hirsute : female 

 flowers 3 — 1 within a scaly involucre: perianth 6-parted, lobes 

 obtuse, in two rows : styles 3, linear, opposite the outer lobes of 

 the perianth : ovary S-celled, cells 2-ovuled : fruit consisting of an 

 involucre and 3 — 1 enelosed nuts : involucre sub-globose, eohinated 

 on all sides with prickles slowly rising outside the scales, seldom 

 crested with conical tubercles, at first closed, afterwards irregularly 

 cleft or indehiscent : nuts cartilaginous, free : seed single by 

 abortion : cotyledons thick, mealy, flat-convex : radicle superior — 

 Trees with the habit and inflorescence of Oaks. 



(1). C. Indiga. fllph. Dec.) 



Ident. Dec. prod. xvi. S. II. p. 109. 



Syn. Castanea Indioa, Roxl.Jlor. Ind. III. p. 643. 



Mngran. Wight's Icon. t. 417. 



Spec. Chae. Tree: younger branches and inflorescence tawny 

 velvet: leaves eUiptic or oblong, usually obtuse at the base, 

 acute at the apex, remotely serrated, adult ones glabrate above, 

 tawny pubescent beneath : male flowers usually ternate on a long 

 erect ament, external bract of .each fascicle ovate-acute, lateral 

 ones shorter, oblong, sepals pubescent: female spikes nearly equalling 

 the aments : female flowers usually solitary in the involucre : fruit 

 scattered, echinate, prickles subulate, principal one diffuse or re- 

 curved hairy, lesser ones accessory, glabrous, straight. 



Silhet. Chittagong. Khasia. Eastern Bengal. 



