CLASS VI. ORDER III. 41 



corol 2-valved, adhering^ to the seed. 4. 10 — sativa^ 

 {rice) culm jointed, leaves clasping, panicle ter-^ 

 minal 0. e. 

 * Ulraus. 



Order III. Trigynia. 



Medeola. Calyx o : corol deeply 6-parted, 

 revolute : berry 3-seeded. 11. 12 — virginica^ (In- 

 dian cucumber) leaves in distant whorls. 1|. w. 



Melanthium. Polygamous. Calyx o : corol 

 Tvheel-form, 6-parted or 6-petalled, each part with 

 2 glands at the base : stamens from the lengthened 

 claws of the petals : capsule ovatish, somewhat 3- 

 cleft at the apex, 3-celled : seeds membrane-wing- 

 ed, numerous. 10. 13 — virginirum^ (black-flower) 

 flowers panicled, petals oval. %. y. 



Veratrum- Polygamous. Calyx o : corol 6- 

 petalled, without glands : capsules 3, many-seed- 

 ed. (The staminate flowers have the rudiment of 

 a pistil.) 10. 13 — viride^ (itchweed, or swanp 

 hellebore) panicle decompound, leaves nerved. %, 

 g. — luteum^ (white hellebore) raceme simple. 1^» 

 "W. 



Helonias. Calyx o : corol 6-petalled : styles 

 distinct: capsules J celled, 3-horned, few-seeded. 

 10. 13 — latifoLia, (helonias) leaves lance-awlform, 

 scape nearly leafless, spike short. 1|. p. 



Scheuchzeria. Calyx 6-parted inferior: co- 

 rol o : aathers linear ; stigmas sessile, lateral : 

 capsules 3, inflated, 1 or 2-seeded. (Sometimes 

 the calyx is taken for the corol.) 5. 13 — fialustrisy 

 (less flowering-rush) capsules 3, 5, or 6, stigmas 

 lateral. 



Zigadenus. Calyx 6-leaved, spreading, with 

 2 glands above the narrow base of each leaf: sia- 

 mens inserted in contact with the £>-erm : cansnies 

 membranaceous, 3-celled, many-seeded, (-some- 

 times the calyx is taken for the corol.) — giabcrri' 



