126 leguminos.t;. (pulse family.) 



1. LUPtNUS, Tourn. Lipine. 



Calyx very tUcply 2-lippocl. Sides of tlic standard rcHcxcd : keel scythe- 

 sliapcd, ])oiiited. Sheath of the moiiadelphoiis stamens entire: anthers alter- 

 nately ohlon-i and roinulish. Tod oblong, flattened, often knotty by eonstrie- 

 tions between the seeds. Cotyledons thick and fleshy. Herbs, with palinately 

 1 - 15-foliolate leaves, stipules adnate to base of the petiole, and showy flowers 

 in terminal racemes or spikes. (Name from Lupm, a wolf, because the.>e plants 

 were thought to devour the fertility of the soil.) 



1. Ii. per^unis, L. (Wii,u Li tine.) Perennial, somewhat hairy ; stem 

 erect (l°-2°); leaflets 7-11, oblanceolatc ; flowers in a long raceme; pods 

 very hairy. — Sandy soil: common. May, June. — Flowers showy, purplish- 

 blue, rarely pale. 



2. GROT AL ARIA, L. Rattle-box. 



Calyx 5-cleft, scarcely 2-lip|)ed. 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 /cporuXoi^, a rattle ; the loose 

 seed? rattling in the coriaceous inflated pods.) 



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

 lanceolate, scarcely jjctiolcd ; stipules nnite<l and decurrcnt on the stem, so as 

 to be inversely arrow-.shaped ; i)cdnncles few-flowered; corolla not longer than 

 the calyx. — Sandy soil, Mass. to Virginia near the coast, Illinois and south- 

 ward. July. 



3. GENISTA, L. Woap-Waxex. Wiiix. 



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

 deflexed. Stamens mon.adelpbous, the sheath entire ; .5 alternate anthers 

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

 leaves, and yellow flowers. (Name from the Celtic //en, a busli.) 



1. G. TixcTORiA, L. (Dyek's Greex-weed.) Low, not tbomy, with 

 striate-angled erect branches ; leaves lanceolate ; flowers in spiked racemes. — 

 Eastern New York and jVIassaehusetts, es])ecially Essex Co., where it is thor- 

 oughly cstablislu'd on sterile hills. June. (Ad\'. from Eu.) 



4. TRIPOLIUM, L. Clover. Trefoil. 



Calyx i)ersistent, .'5-cleft, the teeth bristle-form. Corolla mostly withering or 

 persistent ; the claws of all the petals, or of all except the oblong or ovate 

 standard, more or less united below with the stamen-tube : keel short and 

 obtuse. 'J'enth stamen more or less .separate. Pods small and membranous, 

 often includeil in the calyx, 1 -6-secded, indehiscent, or o])eniiig by one of the 

 sutures. — Tufted or diffuse herbs. Leaves mostly palinately, sometimes ])in- 

 nately 3-foliolate : leaflets often toothed. Stii)ules uiiitnl with tlu' ])etiole. 

 Flowers in beads or s|)ikes. (Name from tnn, three, am\ toliinn, a leaf.) 

 * Flowers sessile in dmsp heads : corolla purple or purplish, withering away afler 

 flowering, tubular below ; tJie petals more or less coherent with each other. 



