ruCUYSIACE.E. 103 



II. EEISMEiE. 



5. Erisma Eudge. — Flowers iiTcgular hormaphroditc ; reccpfacle 

 obcouical coucave, produced at back iu a hollow spur. Sepals 5, 

 inserted at margiu of receptacle, unequal, persistent. Petals 1, 

 anterior inserted with the calyx, unguiculate. Stamens 5, inserted 

 with perianth ; the anterior fertile, with subulate filament ; anther 

 introrse subhastate-lauceolate, 2-rimose ; 4 posterior, unequal-rudi- 

 mentary or all abortive. Germeu inwardly and anteriorly adnate to 

 receptacle, 1-locular ; cell anterior; style slender, caj)itellate stig- 

 matiferous at apex ; ovules 2, collaterally inserted on posterior 

 placentas, ascendent, incompletely anatropous ; micropyle extrorse 

 inferior. Fruit coriaceous, indehiscent, inwardly adnate to receptacle, 

 persistent and crowned with accrescent unequal wing-shaped sub- 

 falcate coriaceous venose sepals. Seeds 1, 2 linear ; embryo exal- 

 Ijiiminous ; cotyledons elongate-narrow semicyliudrical ; radicle 

 inferior .short. — Trees ; leaves opposite petiolato coriaceous ; stipules 

 membranous, deciduous or persistent ; flowers in ramified compound 

 terminal racemes; pedicels 2-bracteolate. [Guiana^ North Brazil.) 

 —See p. 90. 



III. TRIGOXIA. 



G. Trigonia Aubl. — Flowers hcrmaphi-odite irregular; receptacle 

 oblique, sub-plane or rather concave at apex. Sepals -5, unequal, 

 imbricated. Petals 5, alternate, imbricate, of which 2 are concave 

 or cucullato, sometimes gibbous, or 1 -laterally incrassate ; 2 arc 

 ascendent membranous ; the fifth saccate or galeate at base 

 (lateral to the flower). Stamens 4-12, slightly perigynous; 

 filaments connate at base in a short tube afterwards cut, from 

 fissure, either antherless, small or shorter than the other fertile one ; 

 anthers introrse, 2-rimose. Germen free, oblique, 3-locular (extremely 

 hirsute) ; style slender, truncate stigmatiferovis at apex, sometimes 

 oblique or cupular ; ovules in cells <x> , descendent. Capsule 

 3 agonal, 3-locular, scpticidal ; valves scptiferous at middle and 

 solute from columella, the cartilaginous endoeavp often separating there 

 from the exocarp. Seeds zc , involute in gossyi)inous wool ; albumen 

 thick fleshy ; cotyledons of the straight transverse embryo foliaceous ; 



