BIXACE. 
the floral tube. 
295 
They can descend very low in that way, and their 
insertion may thus become almost completely hypogynous; this 
occurs especially in certain African species forming the genus 
Turnera cistoides. 

Fic. 339, 
Floriferous branch. 
Wormskioldia: 
Each stamen is composed of a free filament, linear 
or flattened, and of an oblong, two-celled, introrse anther, dehiscing 
by two longitudinal clefts. 
The gynæceum is free at the bottom of 
the floral tube, formed of a unilocular ovary, and surmounted 
by three styles, of which the two anterior ure generally simple, 
very soon bipartite as in Pirigueta, with the stigmatiferous apex 
nearly entire,’ more generally fimbriate, fan-shaped.*| Each placenta 

1 Scaum. & THôNN., Beskr., i. 165.—ENDL., 
Gen., n. 5058.—B. H., Gen., 807, n. 8.—Tri- 
cliceras DC., Pl. Rar. Jard. Gen., 56.— Schu- 
macheria SPRENG., Gen., 232, n. 1220 (nec 
VAHL). — Streptopetalum Hocust., in Flora 
(1841), 665. 
2 AuBL., Guian., i. 298, t. 117.—J., Gen., 
295.—DC., Prodr., iii. 318.—ENDL., Gen., n. 
5057.—Burghartia Necx., Elem. n. 1186.— 
Burkardia Scopv., Introd., n. 1027. 
3 It is especially so in the Prblichia. 
4 The divisions are from two to five, or even 
indefinite in number. 
