PABACEAE. 63 



5. C. pumila Ortega. Plants decumbent: blades of the leaflets cuneate to 

 oblong-cuneate : calyx becoming 4-5.5 mm. long: keel 8-10 mm. long: ovary 

 pubescent. Hammocks and pinelands, and coastal sand-dunes, U. S. keys, U. 

 keys, L. keys, L. S. keys. [E. K.] (Bah., Cuba, Ant.) 



3. MEDICAGO L. Annual or perennial herbs, or partially woody plants. 

 Leaflets 3, broad. Eacemes capitate or slightly elongate. Calyx-lobes nearly 

 equal, about as long as the tube or longer. Corolla yellow or violet: wings 

 with a hooked auricle at the base of the blade. Style very short, at least 

 shorter than the ovary. MEDIC. 



1. M. lupulina L. Stem and branches prostrate: leaflets 5-15 mm. long; 

 blades obovate or rhomboidal: calyx 1.5-2 mm. long: corolla yellow; standard 

 1.5-2 mm. long: pods 2-2.5 mm. broad. Waste places and cultivated grounds, 

 Key West. Nat. of Eu. (Ber.) NOXESUCH. BLACK-MEDIC. 



4. TBIFOLIUM L. Annual or perennial herbs. Leaflets 3, broad or 

 narrow, or rarely 5 or 7. Calyx-lobes nearly equal, or the 2 upper longer than 

 the three lower ones and sometimes partially united. Corolla variously colored 

 or white: standard oblong or obovate, or elongate and clawed: other petals 

 with long claws, the wings with an angle or a rounded auricle at the base of 

 the blade. CLOVER. TREFOIL. 



1. T. arvense L. Stems erect, villose-lanuginous: leaflets 1-2.5 cm. long; 

 blades linear to oblanceolate, entire or nearly so: calyx 4.5-5 mm. long; lobes 

 subulate, plumose: corolla whitish; standard nearly oblong, 3-3.5 mm. long, 

 white: pods about 1.5 mm. long. Cultivated grounds and waste places, Key 

 West. Nat. of Eu. BABBIT-FOOT CLOVER. STONE-CLOVER. 



5. INDIGOFEEA L. Herbs. Leaflets several to many or rarely 3, or 

 rarely solitary. Flowers in spikes or racemes. Calyx-lobes nearly equal, shorter 

 than the tube, or elongate. Corolla often pink or purple: standard broad, 

 scarcely clawed: wings with blades dilated at the apex and auricled at the 

 base, short-clawed: keel-petals scimitar-shaped, gibbous or spurred on the side, 

 clawless. INDIGO-PLANT. 



Stems and branches prostrate or decumbent : calyx-lobes long and narrow, all longer 



than the tube. 

 Standard ovate or rhombic, 7-8 mm. long : pods straight : plants 



silvery-silky. 1. I. miniata. 



Standard suborbicular or reniform, 3^ mm. long : pods curved : 



plants green. 2. /. keyensis. 



Stems erect : calyx-lobes broad and short, the broader ones, at least, 



shorter than the tube. 3. /. tinctoria. 



1. I. miniata Ortega. Stems prostrate: leaflets 5-9; blades linear-oblong to 

 narrowly oblanceolate : calyx about 3 mm. long; lobes subulate or lanceolate- 

 subulate: standard 7-8 mm. long or rarely smaller; the wings usually longer: 

 pods oblong-linear or linear, 15-20 mm. long. Pinelands and sandy places, 

 L. keys. [E. K.] (Cuba.) 



2. I. keyensis Small. Stems decumbent: leaflets 7-9; blades oblong-obovate 

 to cuneate: calyx 2-3 mm. long; lobes subulate: standard 3-4 mm. long; wings 

 mostly 3-4 mm. long: pods linear, 3-3.5 mm. long. Hammocks, U. keys. 



3. I. tinctoria L. Stems erect: leaflets 7-11; blades oblong, oval or obovate: 

 calyx 1.5-2 mm. long; lobes deltoid to triangular-lanceolate: standard 4-5 mm. 

 long; the wings about the same length: pods linear, 2.5-3 cm. long. Culti- 

 vated grounds and waste places, Key West. Nat. of Asia. (Cuba, Ant.) 



