614 LEGUMIXOSJE. 



as long as tlie hairy oval seed. — St. Augustine, East Florida (Miss Mary E. 

 Reynolds). — Anomalous among the yellow-flowered species, but may prove 

 to be a form of the preceding. 



P. Curtissii, Gray. Stem slender; leaves alternate, narrow-linear; 

 racemes long, loosely flowered ; wings narrowly oblong, erect, twice as long 

 as the capsule; seeds and caruncle as in P. Chapman ii. — North Carolina 

 (Prof. Porter), Tennessee (Dr. Gattinyer). — Stem 9' high. Flowers rose- 

 color. Bracts persistent. 



P. ambigua, Nutt. Very closely allied to P. verticillala, but taller 

 (G'-15' high), the branches erect; leaves usually broader, only the lower 

 ones verticillate ; spikes more slender, more loosely flowered ; wings white. — 

 Gravelly hills, mountains of Georgia, and northward. May. 



Ohder LEGUMUSTOS^E. 



CROTALARIA, L. 



C. maritima, Chapm. Low, much branched, appressed-pubescent ; 

 leaves simple, oblong, sessile, very thick and succulent ; stipules minute or 

 none ; raceme 2-flowered ; legume oblong, smooth. — Sandy beach at Palm 

 Cape, South Florida. — Stem 6' high. Leaves V long. Flowers not seen. 



C pumila, Ortega. Shrubby or perennial ; stem slender, decumbent ; 

 leaves trifoliolate ; leaflets small, cuneate, emarginate, longer than the peti- 

 ole ; peduneles longer than the leaves, few-flowered ; corolla small ; legume 

 oval, pubescent, few-seeded. (C. littoralis, HBK.) — Sandy beach at Casey's 

 Pass, South Florida. October. — Stem 2° -3° long. 



C. incana, L. Annual, tall, much branched, pubescent ; leaves trifolio- 

 late, long-petioled ; leaflets round-obovate ; racemes stout, many-flowered ; 

 keel of the corolla tomentose on the margins; legume oblong, hairy. — 

 South Florida, near the coast. 



MEDICAGO, L. 



M. denticulata, Willd. Stems prostrate ; leaflets obovate or obcordate, 

 denticulate; stipules ciliate-toothed ; spikes 2-o-flowered, the flowers pur- 

 plish ; legu/ne flat, coiled, the thin margin fringed with a double row of 

 curved hooked bristles. — Charleston and New Orleans. Introduced. 



M. maculata, Willd. Like the preceding, but the leaflets mostly pur- 

 plish in the centre, the stipules more strongly toothed, and the margins of 

 the legume thicker. — New Orleans. Introduced. 



MELILOTUS, Tourn. 



M. parviflora, Desf. Annual ; stems ascending ; leaflets of the lower 

 leaves roundish entire, of the upper ones oblong, denticulate ; flowers very 

 small, densely spiked, yellow; legume ovate, rugose. 1-seeded. — New Or- 

 leans. Introduced. 



