SYNOPSIS OP GENERA. XXXlii 



**** Flowers inferior, incomplete . 



SCHOLLERA. Sp aihe 1-flowered. Cor. tube very long ; limb deeply 

 6-parted. Anlh. of 2 forms. Caps. 1-celled. Pontederece, p. 369. 



HETERANTHERA. Fl. in a spathe. Cor. tube long and slender ; 

 border 6-parted, equal. Anth. of 2 forms. Caps. 3-celled, many-seed- 

 ed, opening at the angles ; dissepiment contrary. Ponteder&e, p. 369. 



SISYRINCHIUM. Spathe 2-leaved, Perianth 6-cleft, flat, equal. Stam. 

 cohering below. Slig. 3-cleft. Irid&e, p. 353. 

 ***** Flowers glumaceous. 



OBS. All the genera of this division belong to the subclass Gluma- 

 cea, and all except Cenchrus, Spar Una and Oryzopsis, belong to the 

 order Cyperacece, p. 420, 



DlGYNlA. 



OBS. All the genera of this order are proper grasses. Graminece, 

 p. 386. The family is so entirely natural, that it is unnecessary to re- 

 peat the generic descriptions. 



>?j . TRIGYNIA. 



MOLLUGO. Cal. 5-parted, coloured within. Cor. none. Caps. 3- 

 celled, 3-valved, many-seeded. Caryophylleas, p. 50. 



LECHEA. Cal. 3-sepalled, with 3 outer bracts. Pet. 3, lanceolate. 

 Stig. 3, scarcely distinct. Caps. 3-valved, with as many inner valves 

 opposite the others. Seeds few. Cistinea, p. 36. 



PROSERFINACA. Cal. superior, with the tube adhering to the trique- 

 trous ovary. Corp. 3, indehiscent, dry, concreted into a 3-sided fruit. 

 Haloragete, p. 121. 



TETRANDRTA. 



MONOGYNIA. 



* Flowers superior. Carol 1-petalled. 



CEPHALANTHUS. Common cal. none ; proper minute, angular, 4- 

 clefl. Cor. tubular, slender, 4-cleft. Style much exserted. Stig. glo- 

 bose. Caps. 2-celled, 2-seeded. Recept. globose, hairy. Rubiacea, 

 p. 160. 



DIPSACUS. Common cal. maiiy-leaveri, foliaceous ; proper superior, 

 1-leaved. Cor. tubular, 4-lobed. Seed solitary. Recept. conic, chaffy. 

 DipsacecB, p. 164. 



GALIUM. Cal. with the tube ovate-globose or oblong ; limb nearly 

 wanting. Cor. rotate, 4-parted. Seeds 2, roundish, rarely oblong. 

 RubiacecE, p. 161. 



DIODIA. Cal. with the tube ovate or obovate, 2 4-toothed. Cor. 

 funnel-form, 4-lobed. Caps, ovate, 2-celled, bipartile. Rubiacea, p. 

 161. 



. HEDYOTIS. Cal. 4-toothed or 4-parted. Cor. tubular, bearded at the 

 throat, 4-parted. Caps, ovate, 2-celled, opening transversely at the 

 top, many-seeded ; dissepiment contrary to the valves. Rubiacecs, p. 



HOUSTONIA. Cal. 4-cleft. Cor. funnel-form, 4-cleft. Caps. 2-celI- 

 ed, 2-valved, many-seeded, opening transversely. Gentianea, p. 242. 



3a 



