NÀTUnAL IlISTOHY OF PLAXTS. 



ledons. — Glabrous trees or shrubs, sometimes scandent ; leaves 

 alternate coriaceous ; flowers in super-axillary, simple, terminal 

 racemes. {Trnp. Asia and Oceania). See p. 76. 



III. KEAMERIEiE. 



11. Kramei'ia LoEFL. — Flowers irregular resupiuate ; sepals 4, 5, 

 coloured inside, imbricated ; anterior larger exterior ; 1,2, posterior 

 (of which 1 interior is smaller). Petals, posterior, 2 or 3 ; the 

 middle one interior or ; subfree, or more or less connate at base, 

 narrow. Stamens 3, the posterior oppositipctalous, or more usually 4, 

 2-dyuamis ; the lateral larger, sometimes but rarely 5 ; filaments 

 free or oftcner at base more or less high 1-adelphous ; anthers basi- 

 fixed erect, 2-locular, infundibuliform, lacerate- subporicidal at apex. 

 Germeu free, furnished at base with 2 glands hypogynous anterior, 

 thickly squamiform, compressed, rugose outwardly, sulcate or reti- 

 culate ; fertile cell 1 , anterior ; style subulate, long-tubular, scarcely 

 or not at all dilate, stigmatiferous at apex ; ovnles 2, collaterally 

 inserted on prominent posterior placentas ; micropyle anteriorly or 

 laterally superior. Fruit dry, indéhiscent, subglobose, outwardly 

 aculeate at apex, sharply reflexed-uncinate ; embryo of solitary descen- 

 dent seed exalbuminous ; cotyledons plano-convex fleshy, auriculate 

 at base in a sheath round short superior radicle. — Humble canescent 

 shrubs generally much ramified ; leaves alternate, exstipulate, 

 simple, or more rarely partly 3-foliolate ; folioles pinnate articulate ; 

 flowers in axils of leaves or bracts on upper branches, solitary, pedun- 

 culate or subsessile; peduncle at middle 2-bracteolate. {Trop, and sub- 

 trop. America.) See p. 77. 



