LINAGE.^. 65 



subcoriaceous, entii'e, serrate or crenate ; stipules minute, caducous ; 

 flowers in cymes or glomerules axillary to branches. ( Western 

 Africa, trap. Soutli Jmer/'ca.) See p. 48. 



5. Ixonanthes Jack. — Flowers nearly of Hugonia ; receptacle 

 shortly cupuliform, provided with an interior disk more or less 

 conspicuous. Sepals 5, more or less connate at base, and petals 

 same in number, alternate, contorted, persistent, and indurate, 

 perigyuously inserted at margin of receptacle. Stamens 10-20, 

 inserted with perianth, eglaudular ; anthers introrse, 2-rimose. 

 Germen free, partly inferior ; cells 5, alternipetalous, undivided or 

 more or less falsely 2-locellate; ovules 2 in each, descendent^ 

 micropyle extrorse, superior elongate ; style simple, capitate, sub- 

 5-lobed or widely discoid stigmatiferous at apex. Capsule coria- 

 ceous or ligneous, septicidal ; valves inwardly open, sometimes 

 spuriously septate ; seeds with long funicle appended, exostome much 

 elongate, membranous or wing shaped, and attended by 2 lateral 

 wings ; albumen fleshy ; radicle of eccentric embryo, superior.^ — 

 Glabrous trees or small trees ; leaves alternate subcoriaceous, entire, 

 or remotely crenate or serrate, reticulate penninerved; stipules 

 minute or ; flowers in long axillary pedunculate cymes. ( Trop. 

 Eastern Jsia.) See p. 48. 



III. EEYTHEOXYLEiE. 



G. Erythroxylon L. — Flowers hermaphrodite, 5- or more rarely 

 6-merous ; sepals fi'ee or connate at base, subvalvate or more 

 usually imbricate, persistent. Petals hypogynons, imbricate, or 

 contorted, deciduous, furnished inside with an erect tongue much 

 varied in form, usually concave at base, and at apex laterally 2- 

 lobed corrugate-plicate. Stamens double in niimber to the petals, 

 2-seriate ; filaments connate at base in a short tube, outwardly naked 

 or more or less glandular, where they become free, often encircled 

 with a prominent ring formed by upper part of tube ; anthers 2- 

 locular, introrsely or extrorsely riniose. Germen free, 2-4-locular ; 

 cells 1-3 rudimentary or abortive ; ovules in fertile cell 1 (more 

 rarely 2), descondent; micropyle extrorse superior, blocked by 

 rather thick obturator; styles 3, 4, free or more or less high connate, 

 capitate or clavate stigmatiferous at apex. Fruit ch-upaceous, 

 usually surrounded by base of calyx ; putamen hard or papyraceous, 



VOL. V. K 



