PoLYGALA. POLYGALACE^. 153 



long, purple or deep rose-color ; the pedicels 3-4 lines long. Wings obovate, attenuate at 

 the base, as long as the corolla. Lateral petals oblong, concave, united to the keel the greater 

 part of their length : crest conspicuous, compound. Stamens 6 : anthers 2-lipped, imperfect- 

 ly 2-celled. Style long, a little curved, slightly enlarging upward ; the orifice irregularly 

 4-toothed, without hairs. Capsule (immature) emarginate, strongly margined. Seeds . . . 

 Radical flowers on short horizontal shoots. 



Woods, usually in dry sandy soils ; rarely in moist places : the variety alba in sandy plains 

 near Albany {D?-. Eights). Fl. May. A small but very handsome species. 



Group 12. Character same as of the folloioing order. 



Order XXXVII. LEGUMINOS^. Juss. The Bean Tribe. 



Calyx of 5 sepals, more or less combined. Corolla of 5 petals, either papiliona- 

 ceous or regular, hypogynous. Stamens definite or indefinite, inserted with 

 the petals, distinct, or monadelphous or diadelphous. Ovary solitary, simple, 

 free from the calyx. Fruit a legume. Seeds destitute of albumen (except in 

 a few cases). — Herbs, shrubs or trees. Leaves alternate and usually com- 

 pound, furnished with stipules ; the margin of the leaves or leaflets almost 

 always entire. 



Suborder I. Papilionace^. Linn. 



Sepals imbricated in gestivation. Corolla papilionaceous, or rarely almost regular. 

 Stamens 10, diadelphous, sometimes monadelphous or distinct, inserted with 

 the petals upon the base of the calyx. 



CONSPECTUS OF THE TRIBES. 



♦ Corolla, papilionaceous. RaiHele incurved. 



Tribe I. ViciEj!. Stamens diadelphous (9 & 1). Legume not articulated, dehiscent. Cotyledons thick and larin.v 

 ceous, remaining underground during germination. — Herbs, with abruptly pinnated leaves ; the petiole 

 extended into a tendril. 



Tribe II. Phaseoleje. Stamens mostly diadelphous (9 & 1 ). Legume not jointed, but sometimes with cellular par- 

 titions between the seeds. Cotyledons thick. — Twining, herbaceous, or sometimes shrubby plants. 

 Leaves pinnately trifoliolate, or sometimes unequally pinnate, stipellate. 



Tribe III. Galegeje. Stamens diadelphous, or sometimes monadelphous. Legume not jointed, several-seeded and 

 dehiscent, or 1 - S-celled and indehiscent. Cotyledons foliaceous. — Erect herbs, shrubs or trees. Leaves 

 usually unequally pinnate, seldom stipellate. 



[Flora.] 20 



