GENERA. xvii 



757. LEMNA. Cal. a skinny, lacerate steath. Cor. 0. Caps, with 1 seed. Plant a 

 simple or proliferous floating frond. Fl. from a cleft in the margin. Lemnace/e. p. 349. 



827. CLADIUM. Glumes skinny, sheathing; the outer ones empty. Drupe without 

 bristles. Polished, rush-like Stems, loith harsh, culiingL. Cypeeace^. p. 381. 

 Salicornia. Rhi/ncospora alba. Lepidium ruderale. 



II. DIGYNIA. Gramina. 



865. COLEANTHUS. El. naked. Upper Pale awned; lower cloven, pointless, with 

 2 rough nerves, p. 400. 



853. AIsTTHOXAK'THUM. Glumes 2, containing 1 perfect Fl. of 2 minute, awnless 

 pales, and 2 larger outer valves, each of which is awned, being the rudiments of 2 barren Fits. 

 A sweet-stnelling Grass. Pan. spike-like, one-sided at base. p. 397. 



Hierochloe. Crypsis aculeata. 



III. TRIANDRIA. 

 I. MONOGYNIA. 



A. Cal. superior. Segm. of Cor. fewer than 6. Cells of Fr. 1-3. Seeds solitary, dicotyle- 

 donous. Valekiane^. 



375. VALERIANA. Cor. 5-cleft, unequal at base. Cal. expanding into a feathery 

 crest to the single seed. Perennial plants. Stems round. L. smooth, opposite. Fl. terminal. 

 p. 169. 



873. EEDIA. Cor. 5-cleft, gibbous at base. Caps. 1-3-celled, crowned with the erect teeth 

 of the calyx. Annuals. Stem dichotomous. L. opposite, p. 168. 



B. Cal. superior, %-cleft. Cor. 0. Fr. a dry, one-seeded drupe. Santalace^. 



706. OSYRIS. Sta. very short. Stigmas 3. Fl. somewhat polygamous. Shrubby, with 

 slender, rod-like branches, p. 323. 



C. Cal. 0. Cor. superior, with 6 segments. Cells of Fr. 3, many-seeded. Seeds monoco- 



tyledonous. Ikide^. 



775. CROCUS. Cor. regular. Segm. close together. Tube longer than the border. 

 Stigmas 3, dilated upwards, plaited or lobed. Stalk none. Bulb coated externally, the new 

 one placed on the old. L. long, narrow, p. 357. 



776. ROMULEA. Cor. regular, open. Tube shorter than the border. Fil. do^'^ly. 

 Stigmas 3, bipartite. Segm. linear. Fl. stalked. Bulb coated, p. 357. 



777- GLADIOLUS. Cor. tubular, 2-lipped. Segm. undulate, unequal. Stigma triiid. 

 Seeds with an arillus. Boot a coated bulb. L. ensiform, sheathing, p. 358. 



778. IRIS. Segm. of Cor. unequal, alternately reflexed. Stigmas 3, petal-like, covering 

 the stamens, 2-lipped ; the lower lip very small. L. mostly ensiform, equitant. Root fleshy, 

 creeping, perennial, p. 358. 



S. Fl. inferior, not glumaceous. 



161. CNEORUM. Cal. 3-4-toothed. Pet. 3-4, equal. Sta. 3-4. Drupe with 3-4 knobs. 

 Shrubby. L. alternate, without stipules, TEREBiNTHACEiE. Tricocc^ of Linn. p. 75. 



115. ORTEG-IA. Cal. of 5 L. Cor. 0. Caps. 3-valved at the summit, with 1 cell and 

 many seeds. Herbaceous. L. opposite, with very small stipules. Caeyophyllace^. p. 53. 



255. LCEFLIWGIA. Cal. 5-parted: Div. with 2 teeth at base. Pet. 5, small, connivent. 

 Caps. Avith 3 valves, 1 cell, and many seeds. Paronychie^. p. 131. 



690. POLYCNEMUM. Bracts 2-3. Cal. deeply 5-parted. Cor. 0. Sta. 2-5. Style 



d 



