518 LEGUMINOSAE (PULSE FAMILY) 



(Spiesia Ktze. ; Aragallus Greene.) Dry plains, Sask. and Minn, to Mo. and 

 Tex., w. to the mts. 



* * Leaflets numerous, mostly in fascicles of 3-4 along the rhachis. 



3. 0. splendens Dougl. Silky-villous, 1.5-3 dm. high ; scape spicately several- 

 many-flowered ; flowers erect-spreading ; pod ovate, erect, 2-celled, hardly sur- 

 passing the very villous calyx. {Spiesia Ktze. ; Aragallus Greene.) Plains of 

 Sask. arid w. Minn, to N. Mex. and the Rocky Mts. 



34. GLYCYRRHiZA [Tourn.] L. LIQUORICE 



Calyx with the two upper lobes shorter or partly united. Anther-cells con- 

 fluent at the apex, the alternate ones smaller. Pod ovate or oblong-linear, 

 compressed, scarcely dehiscent, few-seeded. The flower, etc., otherwise as in 

 Astragalus. Long perennial root sweet (whence the name, from y\vK6s, sweet, 

 and plfa, root) ; herbage glandular-viscid ; leaves odd-pinnate, with minute 

 stipules ; flowers in axillary spikes, white or bluish. 



1. G. Iepid6ta (Nutt.) Pursh. (WILD L.) Tall (6-9 dm. high) ; leaflets 

 15-19, oblong-lanceolate, mucronate-pointed, sprinkled with little scales when 

 young, and with corresponding dots when old ; spikes peduncled, short ; flowers 

 whitish ; pods oblong, beset with hooked prickles. Hudson B. and Minn, to 

 Mo., N. Mex., and westw. ; also sporadically on waste land, etc., eastw. 



35. AESCHYN6MENE L. SENSITIVE JOINT VETCH 



Calyx 2-lipped ; the upper lip 2-, the lower 3-cleft. Standard roundish ; keel 

 boat-shaped. Stamens diadelphous in two sets of 5 each. Pod flattened, com- 

 posed of several easily separable joints. Leaves odd-pinnate, with several pairs 

 of leaflets, sometimes sensitive, as if shrinking from the touch (whence the name, 

 from alcrxwo^v-r), being ashamed). 



1. A. virginica (L.) BSP. Erect bristly annual; leaflets 37-61, linear; 

 racemes few-flowered ; flowers yellow, reddish externally ; pod stalked, 6-10- 

 jointed. (A. hispida Willd.) Along rivers, N. J. and s. Pa. to Fla. and La. 



36. CORONILLA L. 



Calyx 5-toothed. Standard orbicular ; keel incurved. Stamens diadelphous, 9 

 and 1 . Pod terete or 4-angled, jointed ; the joints subcylindric. Glabrous herbs 

 or shrubs, with pinnate leaves, and the flowers in umbels terminating axillary 

 peduncles. (Diminutive of corona, a crown, alluding to the inflorescence.) 



1. C. VARIA L. A perennial herb with ascending stems ; leaves sessile ; leaf- 

 lets 15-25, oblong ; flowers rose-color ; pods coriaceous, 3-7 -jointed, the 4-angled 

 joints 6-8 mm. long. Roadsides and waste places, N. E. to N. J. (Nat. from 

 Eu.) 



37. HEDYSARUM [Tourn.] L. 



Calyx 5-cleft, the lobes awl-shaped and nearly equal. Keel nearly straight, 

 obliquely truncate, not appendaged, longer than the wings. Stamens diadel- 

 phous, 9 and 1. Pod flattened, composed of several equal-sided separable 

 roundish joints connected in the middle. Perennial herbs ; leaves odd-pinnate. 

 (Name composed of r)8fc, sweet, and dpu/j-a, smell.) 



1. H. boreale Nutt. Leaflets 13-21, oblong or lanceolate, nearly glabrous ; 

 stipules scaly, united opposite the petiole ; raceme of many deflexed magenta to 

 white flowers; standard shorter than the keel; joints of the pod 3-4, smooth, 

 reticulated. (H. americanum Britton.) Rocky or gravelly banks, Nfd. and 

 Lab. to Alaska, s. to St. John Valley, N. B. and Me., mts. of n. Vt., n. shore 

 of L. Superior, S. Dak., and Rocky Mts. to Col. June-Aug. 



