154 LEGUMINOS^E. oxytkopis. 



GLYCYRRHIZA. 



12 OXYTROPIS DC. Astragal. 24 t, 2-6. 



Perennial, very rarely annual, herbaceous, or sometimes suf- 

 frutesccnt, often acaulescent plants with unequally pinnate 

 leaves and axillary or radical pedunculate spikes of various col- 

 ored flowers. Calyy 5-toothed. Keel with a subulate point. 

 Pods partly 2-celled by the introflexion of the upper or placen- 

 tal suture. 



0. viscida Nutt, T. <fe. G. Fl. i, 341. "Stemless, cespitose, hairy and 

 viscid; leaflets numerous (1G-29 pairs), oblong-lanceolate, somewhat acute; 

 peduncles longer than the leaves, about 14 inches high; stipules pilose, 

 membranaceous, with a long acumination : spikes subcylindrical ; bracts as 

 long as the calyx; teeth of the calyx subulate, about the length of the 

 tube; legumes short, terete, pubescent, acuminate." Eastern Oregon to 

 the Rocky Mountains. 



13 GLYCYRRHIZA Tourn. L. Gen. n. 882. (Liquorice). 



Erect perennial herbs with unequally pinnate leaA^es decidu- 

 ous stipules, the flowers in dense axillary pedunculate spikes 

 with caducous bracts. Calyx tubular, gibbous at base, 5-cleft, 

 the two upper segments partly united. Upper petal ovate-lanceo- 

 late, straight, the lateral ones acute, united at the tip, keel not 

 pointed. Stamens diadelphous. Pod ovate or oblong, com- 

 pressed, often echinate, 1 -celled, few-seeded, scarcely dehiscent, 

 sessile. Rootstock rather large, sweet. 



(x. lepidota Nutt. Gen. ii, 106. Tall and stout, 2-5 feet high, some- 

 what glandular-puberulent or the younger leaves slightly silky : leaflets 

 punctate, 6-8 pairs, oblong-lanceolate, mucronate, often acuminate, usual- 

 ly 1-2 inches long ; stipules linear-subulate : peduncles about equalling 

 the leaves; spikes short; bracts lanceolate, acuminate; flowers ochrole u- 

 cous, nearly 6 lines long; calyx half as long, the slender teeth much 

 longer than the tube : pod thickly beset with hooked prickles, oblong, 6 

 lines long, 2-6-seeded. On sandy plains and river hanks, Brit. Columbia 

 to California, Missouri and Arkansas. 



G. glutinosa Nutt. T. & G. Fl. i, 298. Stems rather stout, from long- 

 running rootstocks, 2-4 feet high ; glandular-pubescent leaflets oblong 

 to oblong-lanceolate, strigose with scaly glands: peduncles much 

 shorter than the leaves, very glandular : spikes short; bracts lanceolate 

 with a long acuminate point; calyx very glandular, the teeth nearly equal : 

 pods densely beset with hooked bristles, 2-6-seeded. On sandy river 

 banks, Brit. Columbia to California. 



Tribe 7. Hedysarese, DC. Prodr. ii, 307. Herbs or shrubs villi 

 1-many-foliolate or simple usually stipellate leaves and, racemose, 

 spicate or umbellate axillary or terminal inflorescence. Corolla 

 papilionaceous. Stamens 10, monadelphous or diadelphous. Pods 

 usually transversely divided into 1-seeded indehiscent joints. Coty- 

 ledons plain, foliaceous after germination. Radicle incurved. 



14 HEDYSARUM Jeaum in Desv. Journ. Bot. iii, 61, L. gen. n. 887. 



Herbs with unequally pinnate leaves, scarious c tipules, entire 

 usually pellucid-punctate exstipellate leaflets and purple, white 

 or yellow flowers in axillary pedunculate racemes with scarious 

 or setaceous bracts. Calyx 5-toothed or -parted, the linear-sub- 



