362 CLASS XVI. ORDER X. 



boils at the base of one petal ; filament* 2, each with three anthers ; capsule 

 or silicle drupe-like, 1-celled, 1-seeded, not opening by valves: seeds affixed 

 to the side of the cell. 24. 62 (fumitory). 5. 



POLYGA'LA. Calyx 5-leaved, peimanent, unequal, 2 of the leafets wing-like, 

 larger, coloured ; corolla irregular (or rather, calyx 3-leaved, corolla imperfect- 

 ly papilionaceous) : capsule obcordate, 2-celled, 2-valved. Keel of the corolla 

 sometimes appendaged : seeds hairy. 33. 3i> (snake root, milk-wort, low 

 centaury, mountain flax). S. 



ORDER X. DECANDRIA. 



A. Legume without transverse divisions or partitions ; seeds numerous. 

 (Stigma pubescent.) 



PI'SOM. Calyx with the divisions leaf-like, about equal : banner protruding 

 2 folds : style compressed, cahnate, villose above : legume without down at 

 the suture 32. 93 (pea). 



LA'THYRUS. Calyx with the two upper divisions shorter : tyle flat, villose 

 above, broader towards the top. (Stems mostly winged, leafets 2 or more, 

 terminated by a divided tendril). 82 93 (sweet pea). -S. 



VJC'IA. Calyx emarginate above, 2-toothed ; 3 straight long teeth below; 

 banner emarginate ; style bearded transversely on the lower side beneath the 

 stigma. 32. 93 (vetch). S. 



(Stigma notpube -cut.) 



PHASE'OLUS. Keel, stamens and style spirally twisted together : legume 

 compressed, falcate; seeds sub-compressed, renifrom 32. 93 -(bean). $. 



STROPIIOSTY'LKS. GLYCINK. Keel, stamens and style spirally twisted to- 

 gether : legume terete, with a longitudinal half-breadth partition, attached to 

 one edge: seed reniform,sub-cylindric. 32 93 (wild bean). S. 



A'PIOS. GLYCI'NE. Calyx somewhat 2-lipped, truncate, 1-toothed : keel of 

 the corolla falcate, bending back the apex of the banner : germ sheathed at the 

 base: legume coriaceous, many -seeded 32.93 (ground-nut). S. 



AMPHJCAR"PA. Calyx bell-form, 4-toothed, obtuse and naked at the base : 

 petals oblong, banner broader, close-pressed upon other petals, sub-sessile : 

 fctigma capitate: legume flat, stiped ; seeds 2 to 4. 32. 93 -(wild bean- 

 vine). <S. 



ROBI'NIA. Calyx small, bell-form, 4-cleft, upper division 2-parted : banner 

 large, reflexed, roundish : legume compressed, elongated, many-seeded : seeds 

 compressed, small. 32. 93 (locust tree). -S. 



Exotic. 



COLU'TEA. Calyx 5-cleft with the keel obtuse: style bearded on its back 

 through its whole length : legume inflated, opening on the upper suture at the 

 base. 32. 93 - (bladder senna, bush locust). 

 Southern. 



INDIGOK"ERA. Calyx spreading: keel with a subulate spur both sides ; le- 

 gume linear, small, terete or quadrangular. 22. 9 (indigo). 



B. Legume without transverse divisions or partitions ; sttdsfew or single. 



MELILO'TUS. Flowers recemed: calyx tubular, 5-toothed ; keel simple, 

 shorter than the wings and banner : legume rugose, longer than the calyx, or 

 about as long. (Taken from the trifolium). 32. 93 (melilot clover). 5. 



TRIFO'LIDM. Flowers sub-capitate : legume included in the ealyx, not 

 opening by valves, 1 to 4-seeded. (Leaves always ternate). 32. 93 (clover). & 

 C. Fruit or lament in several joints, or in a single-seeded piece. 



HEDYS"ARUM. Calyx 5-cleft : keel of corolla transversely obtuse ; loment 

 many-jointed; joints 1 -seeded, truncate, compressed, generally hispid. Plant.- 

 mostly with ternate leaves. 32. 93 (bush clover). S. 



Exotic. 



CORONIL'LA. Calyx 2-lipped : petals withplaws: loment teretish, jointed : 

 flowers in umbels ; seeds generally cylindric. 32. 93 (coronilla). 

 D. Stamens united in one set. 



AMOR"PHA. Calyx somewhat bell-form, 4 or 5-cleft : banner ovate, con- 

 cave : wings and keel ; legume 1 or 2-seeded, falcate. 32. 93 (false in- 

 digo). S. 



LUPI'NUS. Calyx 2-lipped : anthers, 5 oblong and 5 roundish ; legume co- 

 riaceous, torulose. 32. 93 (lupine). S. 



CROTALA'RIA. Corolla with the banner cordate, large keel acuminate, the 



