CLASS XVI., XVIL 157 
CLASS XVI. DIADELPHIA. Stamens united by filaments in two 
sets. 
Order 5,to Order 8. Pent-octandria. From 5to 8 stamens. 
Potyea’ta. Calyx 5-leaved, permanent, unequal, 2 of the leafets 
wing-like, larger, coloured, corolla irregular (or rather, calyx 3-leaf- 
ed, corolla imperfectly papilionaceous;) capsule obcordate, 2-celled, 
2valved. Keel of the corolla sometimes appendaged: seeds hairy.-~- 
(snake root, milk-wort, low centaury, mountain flax.) 
Order 10. Decandria. Ten stamens. 
Legume without transverse divisions or portions ; seeds numerous. 
(Stigma pubescent.) 
Pr’sum. Calyx with the divisions leaf-like, about equal: banner 
protruding 2 folds: style compressed, carinate, villose above: legume 
without down at the suture.—(pea.) 
La’tuyrus. Calyx with the two upper divisions shorter: style flat, 
villose above, broader towards the top. (Stems mostly winged, leafets 
2 or more, terminated by a divided tendril.)—(sweet pea.) 
(Stigma not pubescent.) 
Puass’otus. Keel, stamens and style spirally twisted together ; 
legum compressed, falcate; seeds sub-compressed, reniform.—(bean.) 
Rosina. Calyx small, bell-form, 4-cleft, upper division 2-parted : 
banner large, reflexed, roundish, legume compressed, elongated, many 
seeded; seeds compressed, small.—(locust tree.) 
Triro’Lium. Flowers sub-capitate; legume included in the calyx, 
not opening by valves, 1 to 4-seeded. Leaves always ternate.— 
(clover.) 
Lupinus. Calyx 2-lipped, anthers, 5 oblong and 5 roundish; le- 
gume coriaceous.—(lupine. ) 
CLASS XVII. SYNGENESIA. Anthers united. 
Order1. Polygamia Aiqualis. Disk and ray florets perfect. 
A. Floret ligulate. 
Leow’ropon. Calyx imbricate, with flexible leafets ; receptacle na- 
ked: egret stiped—(dandelion.) 
Lactvu’ca. Calyx imbricate, cylindric, with the margin of the scales 
pee eek receptacle naked; egret simple, stiped; seed smooth. 
=(lettuce, 
Car”puus. Calyx ovate, imbricate with prickly scales; receptacle 
viliose; egret pilose.—(comb-tooth thistle.) 
Cynara. pee bristly ; calyx dilated, imbricate, scales with 
