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"-p" long, iJ"-3" 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 

 \'-\\' long, drooping, of 3-5 oval or orbicular, glabrous 

 or somewhat pubescent, strongly reticulated joints, about 

 2.\" wide. 



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 

 5); 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 aspera L. 



