FABACEAE. 



Vol. II. 



I. Coronilla varia L. Coronilla. Axseed. 

 Axwort. Fig. 2570. 



Coronilla varia L, Sp. PI. 743, 1753. 



Perennial, straggling or ascending, glabrous, 

 branching, i°-2° long. Leaves sessile; leaflets 

 11-25, oblong or obovate, obtuse and mucronate 

 at the apex, narrowed or rounded at the base, 

 6"-9" long, i¥'-z" wide; peduncles longer than 

 the leaves ; flowers 4"-6" long, pinkish-white 

 (standard pink, wings white or purple-tipped), in 

 dense umbels; pedicels i"-2" long; pod coria- 

 ceous, linear, 4-angled, the joints 3"-4" long. 



Roadsides and waste places, Massachusetts to 

 southern New York, Maryland and Missouri. Ad- 

 ventive or naturalized from Europe. Hive-vine. June- 

 Aug. 



34. HEDYSARUM L. Sp. PI. 745. 1753. 



Perennial herbs, sometimes shrubby, with odd-pinnate leaves, and showy flowers in axil- 

 lary peduncled racemes. Calyx bracteolate, its teeth nearly equal. Standard obovate 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, readily separable. [Greek, sweet-broom.] 



About 70 species, natives of the north temperate zone and northern Africa. Besides the follow- 

 ing several others occur in western North America. Type species : Hedysarum coronarium L. 



I. Hedysarum boreale Nutt. Hedysarum. 

 Fig. 2571. 



Hedysarum alpinum var. americanum Michx. Fl. Bor. Am, 



2: 74. 1803. 

 Hedysarum boreale Nutt. Gen. 2: no. 1818. 

 Hedysarum americanum Britton, Mem. Torr. Club 5: 201. 



1894. 



Stem erect or somewhat decumbent, glabrous or nearly 

 so, 6'-2i° high, generally simple. Leaves short-petioled ; 

 stipules lanceolate, long-acuminate, 2"-8" long; leaflets 

 11-21, oblong or oblanceolate, obtuse and often mucron- 

 ulate at the apex, mostly rounded at the base, 6"-io" 

 long, 2"-5" wide; racemes longer than the leaves; flow- 

 ers violet-purple, or sometimes white, numerous, de- 

 flexed, 7"-io" long, in rather loose elongated racemes ; 

 calyx-teeth ovate, acute, shorter than the tube ; pod 

 ¥-i¥ long, drooping, of 3-5 oval or orbicular, glabrous 

 or somewhat pubescent, strongly reticulated joints, about 

 2V v^'ide. 



In rocky places, Labrador and Newfoundland to Alaska, 

 British Columbia. Maine. Vermont, Ontario, South Dakota, 

 south in the Rocky Mountains to Utah. Recorded by 

 Michaux from the Alleghanies. June-July. 



Hedysarum Mackenzii Richards., admitted into our first 

 edition as from Hudson Bay, differs in having longer subu- 

 late calyx-teeth ; it inhabits northwestern North America. 



35. AESCHYNOMENE L. Sp. PI. 713. 1753. 



Herbs, or in tropical regions shrubs, mainly with odd-pinnate leaves, those of many species 

 sensitive to the touch, and yellow flowers in axillary panicles or racemes. Calyx-teeth nearly 

 equal, more or less united into 2 lips. Standard orbicular, short-clawed ; wings oblong or 

 obliquely obovate, about as long as the standard ; keel curved. Stamens diadelphous (5 and 

 S) ; anthers all alike. Ovary stipitate ; ovules 2-00. Pod stalked in the calyx, flat, jointed. 

 [Greek, to be ashamed, referring to the sensitive leaves.] 



About 55 species, widely distributed in warm and tropical regions. Besides the following, 

 another occurs in the southern states. Type species: Aeschynomene dspera L. 



