LEGUMINOS*. 57 



Pods silky-pubeacent, cartilaginous, about half an inch long, 

 imperfectly 2-oelled. — N. W. 



3. 0. montic'ola,. Gray, is reported as common in the 

 prairie region. It is smaller than No. 2, and has denser 

 spikes, usually smaller flowers, and less downy leaves. 



4. 0. splendens, Dougl. Silvery-silky-villous, 6-12 inches 

 high. Flowers erect-spreading. Pod erect, hardly surpas- 

 sing the villous calyx. — N. W. 



9. GLYCVRRHI'ZA, Tonrn. LiQDORICE. 

 G. lepido'ta, Nutt. (Wild Liquobice.) Two to three 

 feet high. Leaflets 15-19, sprinkled with little scales when 

 young. — Port Erie and N. W. 



10. TEPHRO'SIA, Pers. Hoary Pea. 

 T. Virginia' na, Pers. (Goat's Eue. Catgut.) Stem 1-2 

 feet high, simple, leafy to the top. Leaflets 17-29, linear- 

 oblong. Erots long and slender and totigh. — Sandy soil, 

 Lake Erie coast. 



II. PSORA'LEA, L. 



1. P. argophyl'la, Piirsh. Silvery-silky nil over. Leaves 

 of 3-5 leaflets, the latter elliptical-lanceolate. Spikes of 

 ■flowers interrupted. Boots not tuberous.— N. W. prairies. 



2. P. lanceola'ta, Pursh. Smooth or nearly so. Leaf- 

 lets 3. Flowers small, in short spikes. Boots not tuberous. 

 — N. "W. 



3. P. eseulen'ta, Pursh. Bough-hairy all over. Leaf- 

 lets 5, obovate or lance-oblong. Spikes dense. Boots tuber- 

 ous. — N. W. 



18. AlHOR'PnA, L. False Indigo. 



1. A. eanes'eens, Nutt. (Lead-Plant.) White-downy 

 all over, 1-3 feet high. Leaflets less than half an inch 

 long, crowded. Spikes generally clustered. Pods 1-seeded. 

 — N. W. 



2. A. mierophyl'la, Pursh, differs from the last in 

 being lower and nearly smooth. Spikes usually solitary. 

 -N.W. 



