172 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



(Hitchcock), Haiti, St. Thomas, St. Croix, St. Martin (Stockholm Herbarium), St. 

 Bartholomew (Euphrasen), Antigua (Grisebach), Guadeloupe, Dominica (Grisebach), 

 Martinique, St. Vincent, Bequia, Mustique (Kew Bull. no. 81, p. 244), Barbados, 

 Grenada, Tobago, Trinidad, Margarita. Cosmopolitan in the warm regions of the 

 world, but perhaps an introduction in the Old World. 

 Local name, cascabclillo vacio. 



5. Crotalaria lotifolia L. 



(Urban, 281.) 



Shrubby, diffuse, 0.5 to 2 meters high; leaves 5 to 7 cm. long, sericeous on both sides; 

 peduncle 5 mm. long; flowers pale yellow; vexillum with red curving lines on the 

 inner side at the base; calyx deeply 5-parted, shortly exceeded by the corolla, lobes 

 lanceolate; corolla about 1.25 cm. long; legume spathulate-oblong, puberulous, 2 cm. 

 long, 6 mm. wide. 



Near Fajardo in shady places; near Coamo, in the woods of Mount Ildefonso and in 

 thickets on the Juey River toward Salinas; near Guanica, in shady meadows at Mont- 

 alba and in thickets on the seashore; near Salinas de Cabo Rojo at Punta de Aguila. 

 Cuba, Jamaica, Haiti, St. Thomas, St. Croix (Eggers), St. John; the varieties grandi- 

 folia and grandiflora in Martinique, Barbados, and tropical west Africa. A well- 

 known very distinct West Indian species. 



Local name, cascabelillo axilar (Cook and Collins). 



29. INDIGOFERA L. 



Indigo/era L. Sp. PI. 2: 751. 1753. 

 Acanthonotus Benth. in Hook. Niger Fl. 293. 1849. 

 Sphaeridiophorum Desv. Journ. Bot. 3: 125. pi. 6. 1814. 

 Brissonia Desv. Ann. Sc. Nat. 9: 411. 1826. 



Calyx small, oblique, campanulate or tubular, teeth equal or the lowest longest; 

 standard obovate, oblong, or suborbicular, sessile or shortly unguiculate; wing's more 

 or less oblong, adhering a little to the keel; keel straight or slightly curved, obtuse, or 

 acuminate, gibbous or spurred on both sides; upper stamen free from the base, the 

 others connate; anthers uniform with glandular, apiculate or penicillate-pilose con- 

 nective; ovary sessile or nearly so, with several or rarely 1 or 2 ovules; style incurved, 

 short, filiform, usually somewhat curved; stigma terminal, capitate or penicillate- 

 pilose; pods oblong, linear or rarely globular, terete or rarely flattened, straight or 

 incurved, 2-valved, divided transversely between the seeds by cellular tissue; seeds 

 globular, or truncate at each end, or flattened. Herbs, undershrubs, or shrubs with 

 adpressed silky hairs fixed by the middle, and sometimes mixed with loose hairs or 

 tommentum; leaves unequally pinnate, more rarely digitate, 3-foliolate or reduced to 1 

 leaflet, sometimes simple; leaflets entire; stipules usually small, setaceous, somewhat 

 adnate to the petiole; flowers usually rose-red or purplish red, axillary, rarely sessile, 

 in racemes or spikes, these sometimes united into panicles. 



KEY TO THE SPECIES. 



Pod reflexed, sickle-shaped, 6 to 8-seeded. 1. / suffruticosa. 



Pod straight, shorter than in I. suffruticosa, 3 or 4-seeded. 2. /. guatimalensis. 



1. Indig-ofera suffruticosa Mill. 



(Urban, 282.) 



A copiously branched shrub 1 t<> 1.5 meters high; branches .straight, woody, deeply 

 sulcate, thinly silvery; stipules small, setaceous; petiole under 2.5 cm. long, firm, 

 erecto-patent; leaves 5 to 10 cm. long, leaflets 6 to 8-jugate, oblong or obovate, 2 to 2.5 



