LEGUMINOSiE. (PULSE FAMILY.) 127 



the branches. Stipules obsolete. Base of the petioles hollow, pnclosin? the 

 leaf-buds of the next year. Bracts minute and fugacious. (Name from K\abos, 

 a branch, and dpavaros, brittle.) 



1. C. tinctdria, Kaf. Sometimes 50° high ; pods .1 - 4' long. — Rich hill- 

 sides, central Ky. and Tenn. to N. C. Also in cultivation. Tlie wood yields 

 a yellow dye. 



4. SOPHORA, L. 



Calyx bell-shaped, shortly .5-toothed. Standard rounded; keel nearly 

 straight. Stamens distinct or nearly so. I'od coriaceous, stipitatc, terete, 

 more or le.ss constricted between the seeds, indchiscent. Seeds suhglobose. — 

 Shrubby or ours an herbaceous perennial, the leaves pinnate with numerous 

 leaflets, and flowers white or yellow in terminal racemes. (Said by Linnaeus 

 to be the ancient name of an allied plant.) 



1. S. sericea, Nutt. Silky-canescent, erect, 1° high or less; leaflets ob- 

 long-obovate, 3 - 6'' long ; flowers white ; pods few-seeded. — Central Kan. to 

 Col., Tex., and Ariz. 



5. CRO TALARI A, L. RATXLE-nox. 



Calyx 5-cleft, scarcely 2-li])pod. Standard large, heart-shaped ; keel scythe- 

 shaped. Sheath of the monadelphous stamens cleft on the upper side ; 5 of 

 the anthers smaller and roundish. Pod inflated, oblong, many-seeded. — Herbs 

 with simple leaves. Flowers yellow. (Name from KporaKov, a rattle; the 

 loose seeds rattling in the coriaceous inflated pods.) 



1. C. sagittalis, L. Annual, hairy (3-6' high) ; leaves oval or oblong- 

 lanceolate, scarcely petioled ; stipules united and decurrent on the stem, so a.s 

 to be inversely arrow-shaped; peduncles few-flowered; corolla not longer 

 than the calyx; pod blackish. — Sandy soil; ^Nlaine to 111., Minn., Kan., and 

 southward. 



6. GENISTA, L. Woad-Waxex. Whin. 



Calyx 2-lipped. Standard oblong-oval, spreading, keel oblong, straight, 

 deflexed. Stamens monadelphous, the sheath entire ; .5 alternate antliers 

 shorter. Pod mostly flat and several-seeded. — Shrubby plants, with simple 

 leaves, and yellow flowers. (Name from tlie Celtic (jen, a busli.) 



G. tinct6hia, L. (Dvek's (lUEiiN-WKKi).) Low, not tliorny, with striate- 

 angled erect liranches ; leaves lanceolate; flowers in spiked racemes. — Estal>- 

 lished on sterile hills, eastern N. Y. and JNIass. (Adv. from Ku.) 



7. CYTISUS, Tourn. Bkoom. 



Calyx campanulate, with 2 short broad lips. Petals broad, the keel olttnse 

 and slightly incurved. StanuMis monadciplunis. Pod flat, much longer than 

 the calvx. ' Seeds several, with a stropliiolo at the hilum. — Shrubs, with stiff 

 green branches, leaves mostly digitately 3-foliolate, and large bright yellow 

 flowers. (The ancient Koman name of a plant, probal)ly a Medicago.) 



C. sror.\Rirs, Link. (Scotch Bk<»<>m.) (ilabrous or nearly .»<o (.3-r)° 

 high); leaflets small, obovate, often rednced to a single one ; flowers .solitary 

 or in pairs, on slender ])0(ii(cls, in the axils of the old leaves, forming leafy 

 racemes along the upper hranciies ; style very long and spirally incurved. — 

 Ya. and southward. (Nat. from Ku.) 



