Class III. TRIANDRIA. Stamens 3. 



Order I. MONOGY^^IA. Pistil 1. 



* Flowers superior. 



17. VALERIANA. Cor. 5-cleft; protuberant at the base. 



Seed 1, with a feathery radiating crown. 



18. FEDIA. Cor. 5-cleft; protuberant at the base. Caps. 



crowned with the toothed calyx, without valves, of 

 1 — 3 fertile cells. Seeds solitary. 



19. CROCUS. Cor. in 6 deep equal segments; tube 



longer than the limb. Stigmas folded. 



20. TRICHONEMA. Cor. in 6 deep equal segments ; 



tube shorter than the limb. Filam. downy. Stigm. 

 very slender, deeply divided. 



21. IRIS. Cm: in 6 deep unequal segments, alternately 



reilexed. Stigm. 2-lipped, like petals. 



** Fl. i?iferior, chaffy. Seed I. 



22. SCHCENUS. Cor. none. Spike of very few flowers. 



Glumes 2-ranked, with many smaller, empty, exter- 

 nal ones. Style simple at the base, deciduous. 



23. RHYNCHOSPORA. Cor. none. %!£- of very few 



flowers. Gl. imbricated all round, with many smaller, 

 empty, external ones. Seed beaked with the dilated, 

 hardened, permanent base of the style. 



25. SCIRPUS. Cor. none. Gl. imbricated all round, 



imiform, concave, expanded. Style simple at the base, 

 deciduous. 



26. ELEOCHARIS. Cor. none. Gl. imbricated all 



round, uniform, expanded. Seed crowned and arti- 

 culated with the dilated hardened base of the style. 



27. ERIOPHORUM. Cor. none. Gl. imbricated all 



round, uniform, expanded. Seed subtended by nu- 

 merous very long hairs. 



24. CYPERUS. Cor. none. Gl. imbricated, 2-ranked, 



uniform, compressed. Style simple at the base, deci- 

 duous. Seed naked at the base. 



28. NARDUS. Cor. of 2 valves. Cal none, 



Jiimus '1,5, 16. 



