104 NAT ORAL HISTORY OF PLANTS. 



radicle short superior. — Scandent or sarmentose shrubs ; leaves oppo- 

 site, simple, shortly petiolate ; stipules caducous ; flowers in axillary 

 or oftener termiual more or less compound ramified cymiferous 

 racemes. {North-Eastern South America). — See p. 97.) 



7. Lightia Schomb. — Flowers irregular ; receptacle widely 

 concave obconical. Sepals 5, unequal, imbricate. Petals 3, inserted 

 with- calyx at margin of receptacle, unguiculate, widely obovate- 

 obcordate, convolute-imbricated. Fertile stamens 4, of which two 

 are larger, and sterile ones 2-6, minute, all 1-adelphous at base ; 

 anthers fertile, oblong, introrsely 2-rimose. Germen inwardly 

 adnate to sub-oblique receptacle, densely araneose, 3-locular ; style 

 elongate slender, capitellate, truncate or 3-lobulate stigmatiferous at 

 apex ; ovules ia cells 2 ; one descendent ; micropyle extrorse. Cap- 

 sule oblong rounded, 3-locular, septicidal ; horny endocarp of valves 

 separating from exocarp ; seeds . . . ? — Trees or shrubs ; twigs 

 hirsute or tomentose ; leaves alternate, entire petiolate ; stipules 

 minute, deciduous ; flowers racemose ; pedicels bract eate at base. 

 {Amazon regions of Guiana). — See p. 99. 



