Dicotyls or Exogenous Pla?its. 69 



1. Genus CER'-CIS. — Flowers red-purple, preceding the leaves; 

 leaves round-cordate, pointed. 



Cer'-cis can-a-den'-sis L. Red-bud. — Small trees in rich soil, f-^fyd- 



. 2. Genus GLE-DITSCH'-I-A.— Thorny trees, with abruptly l-'2-pin- 

 nate leaves ; flowers inconspicuous, in small spikes. 



Gle-ditsch'-i-a tri-a-can'-thos L. Honey Locust. — Pods linear-elon- 

 gated, \-\yz ft. long. 



3. Genus GYM-NOC'-LA-DUS. — Flowers dioecious or polygamous, 

 regular ; petals 5, inserted on the summit of the calyx-tube ; a large 

 tree with stout branchlets and large, iineqally 2-pinnate leaves. 



Gym-noc'-la-dus di-oi'-cus (L.) Koch. [G. canadetisis Lam.) Kentucky 

 Coffee-tree. — Leaves 2-3 ft. long; pod 2-10 in. long, 2 in. broad. 



4. Genus BAP-TIS'-I-A.> — Calyx 4-5-toothed ; stamens 10, distinct; 

 pods stalked in the persistent cah-x, roundish or oblong ; leaflets 3. 



Bap-tis'-i-a tinc-to'-ri-a R. Br. Wild Indigo. — Smooth and slender, 

 rather glaucous; racemes many, short and loose; flowers yellow; 

 stipules minute. 



Bap-tis'-i-a leu-can -tha T. & G. White False Indigo.^ Smooth, tall 

 and stout; raceme elongated, 1-2 ft. long, erect,'flowers white; stipules 

 lanceolate, as long as the petioles. 



Bap-tis'-i-a aus-tra'-lis R. Br. Blue False Indigo. — Resembling the 

 last, but flowers indigo-blue and the stalk of the pods only about the 

 length of the calyx ; flowering later. 



5. Genus LU-PI'-NUS. — Calj-x deeply 2-lipped; stamens mona- 

 delphous ; leaves palmate ; flowers showy, in a long, terminal raceme. 



Lu-pi'-nus per-en'-nis L. Wild Lupine. Flowers purpli.sh-blue, rarely 

 •pale ; stem erect, 1 ft. high ; leaves soft-downy. 



6. Genus MED-I-CA'-GO. — Flowers nearly as in Trifolium (Clover), 

 but in racemes or spikes ; pods scythe-shaped, incurved or coiled. 



Med-i-ca'-go sa-ti'-va L. Lucerne ; Alfalfa.— Upright, smooth ; flowers 

 purple, racemed ; pods spirally twisted. 



