PA PI LION A CEA E. 557 



villous with white hairs. Stipules membranous, ovate or oblong, acute or acumi- 

 nate, imbricated, 11-15 mm. long; leaves 7-15 cm. long; leaflets oblong or oblong- 

 lanceolate, subacute, rounded at the base, 6-9 mm. long, in verticils of 3 or 4; 

 peduncles about equalling the leaves; inflorescence capitate; calyx black-pubes- 

 cent; pod oblong, erect-spreading, densely pubescent with black hairs or some 

 longer whitish ones intermixed, about 19 mm. long, very nearly or quite 2-celled 

 by the intrusion of the ventral suture, the tip erect. Hudson Bay. Summer. 

 [Spies ia Bellii Britton. ] 



28. GLYCYRRHIZA L. 



Perennial herbs, with thick sweet roots, odd-pinnate leaves, and spicate or 

 capitate flowers. Calyx-teeth nearly equal. Standard narrowly ovate or oblong, 

 short-clawed; wings oblong, acutish; keel acute or obtuse, shorter than the wings. 

 Stamens mainly diadelphous; anthers alternately smaller and larger. Pod ses- 

 sile, covered with prickles or glands, nearly indehiscent, continuous between the 

 seeds. [Greek, sweet-root.] About 15 species, natives of the north temperate 

 zone, southern S. Am. and Australia. The following is the only N. Am. species. 



i. Glycyrrhiza lepidota Pursh. WILD LIQUORICE. (I. F. f. 2163.) Erect, 

 3-9 dm. high, the foliage with minute scales or dots. Stipules lanceolate or ovate- 

 lanceolate, acute, 2-3 mm. long, deciduous; leaves petioled; leaflets 11-19, lanceo- 

 late or oblong, entire, very short-stalked, 23.5 cm ' l n &5 peduncles axillary, 

 shorter than the leaves; spikes many-flowered 2.5-5 cm - l n g '> flowers yellowish- 

 white, 13 mm. long; calyx-teeth slender, longer than the tube; pod about 13 mm. 

 long, few-seeded, oblong. Fort Erie, Ont. ; Hudson Bay to Manitoba and Minn., 

 Wash., Iowa, Mo., Chihuahua and Cal. May- Aug. 



29. CORONILLA L. 



Herbs, with odd-pinnate leaves, and purple purplish or yellow flowers, in ped- 

 uncled heads or umbels. Calyx-teeth nearly equal, the 2 upper more or less 

 united. Petals clawed; standard nearly orbicular; wings oblong or obliquely obo- 

 vate; keel incurved, beaked. Stamens diadelphous (9 and I) ; anthers all alike. 

 Pod jointed. [Diminutive of corona, crown.] About 25 species, natives of Eu- 

 rope, Asia and northern Africa. 



i. Coronilla varia L. CORONILLA. AXSEED. AXWORT. (I. F. f. 2164.) 

 Perennial, straggling or ascending, glabrous, 3-6 dm. long. Leaves sessile; 

 leaflets 11-25, oblong or obovate, obtuse and mucronate at the apex, 13-19 mm. 

 long; peduncles longer than the leaves; flowers 9-13 mm. long, in dense umbels; 

 standard pink; wings white or purple-tipped; pod coriaceous, linear, 4-angled, the 

 joints 6-9 mm. long. Roadsides and waste places, Mass, to N. Y. and N, J. 

 Adventive or nat. from Europe. June-Aug. 



30. HEDYSARUM L. 



Perennial herbs, with odd-pinnate leaves, and showy flowers in axillary pedun- 

 cled racemes. Calyx bracteolate, its teeth nearly equal. Standard ovate or 

 obcordate, narrowed at the base ; wings oblong, shorter than the standard ; keel 

 longer than the wings, obtuse, obliquely truncate. Stamens diadelphous (9 and I). 

 Pod flat, linear, its joints oval, orbicular or quadrate. [Greek, sweet-broom.] 

 About 60 species, natives of the north temperate zone and northern Africa. Be- 

 sides the following, another occurs in northwestern N. Am. 



Calyx-teeth ovate, acute, shorter than the tube. i. H. Americamim. 



Calyx-teeth subulate, acuminate, longer than the tube. 2. H. Mackenzii. 



i. Hedysarum Americanum (Michx.) Britton. HEDYSARUM. (I. F. f. 

 2165.) Stem glabrous or nearly so, 1.5-7.5 dm. high. Leaves short-petioled ; 

 stipules lanceolate, long-acuminate, 4-17 mm. long ; leaflets 11-21, oblong or ob- 

 lanceolate, obtuse and often mucronulate, mostly rounded at the base, 13-20 mm. 

 long; racemes longer than the leaves ; flowers violet-purple, or sometimes white, 

 numerous, deflexed, 15-20 mm. long, in loose elongated racemes ; pod 1.3-4 cm. 

 long, drooping, of 3-5 oval or orbicular nearly glabrous strongly reticulated joints. 

 In rocky places, northern N. Eng. to Newf., Alaska and Br. Col., south in the 

 Rocky Mts. to Utah and in the Black Hills. June-July. 



