i. Cycas. ] GYMNOSPEBM^J. [ 1. Gitetum, 



crowded acyclic male sporophylls (stamens) bearing many 

 sporangia (poller, sacs) on the under surface, which are 

 sometimes collected into small sori. F. proliferous, the axis 

 growing through the iaxly imbricate leaf-like female sporo- 

 phylls (carpels) which bear 2-several ovules on the margins 

 below the dilated pinnatifid upper half. 



1. C. revoluta, Thunb. Is grown in gardens in Chaibassa. The pinnae 

 have recurved margins. The male cones have a powerful and somewhat 

 objectionable odour. 



Class II. Coniferse. Fam. Pinaceae. 



i. Pinus, L. 



Ridhly monopodially branched trees with simple acicular 

 leaves, one or more on abbreviated shoots in the axils of scale 

 leaves. M. <fc jP. sporophylls in cones, the latter woody in 

 >f ruit. Ovules 2 at the base of each carpel, inverted. 



1. P. longifolia, Roxb. The long-leaved Pine is grown at Eanchi. 

 Each abbreviated shoot bears 3 leaves about 9'' long. 



Class III. Gnetineae. Fain. Gnetacese. 

 1. G ne turn, L. 



Climbing shrubs with opposite broad penninerved leaves 

 and thickened nodes. Fls. minute, monoecious or dioecious 

 crowded in panicled spikes in the axils of annular bracts and 

 mixed with dense cellular transparent hairs. M. perianth 

 clavate in bud, the apparently single stamen breaking 

 through it when ripe on a long filament, and opening by 

 two terminal valves (two stamens). Fern, perianth double, 

 inner with 3 filiform teeth, minute, obliquely ovoid ; outer 

 wi'h 3 minute obtuse teeth. Ovule 1 erect, with a single 

 integument produced into a style-like tip. Fruit drupe-like, 

 the seed enclosed in the fleshy accrescent perianth. 



138 



