PERKINS THE LEGUMINOSAE OF POETO RICO. 161 



leaves; sepals 4 to 6.5 mm. long; petals 6.5 to 11 mm. wide; legume 17 to 30 cm. long, 

 0.6 to 1 cm. wide. 



Near Coamo, in thickets between Serillos and Salinas and toward Banos and in 

 woods on Mount San Ildefonso; between Salinas and St. Isabel. Cuba, Jamaica, 

 Haiti, Guadeloupe, St. Vincent (Grisebach), Margarita. Colombia, Central America. 



12. Cassia diphylla L. 

 (Urban, 275.) 



Annual, suffrutescent, glabrous, 0.33 to 1 meter high; leaflets 1.5 to 2.5 cm. long, 

 0.8 to 1.25 cm. wide; stipules large, very acute, scarious; sepals 6.5 to 13 mm. long; 

 petals shorter than the sepals; legume 3 to 5 cm. long, 6 mm. wide; seeds oblong, 

 oblique to the margins of the legume. 



Near Bayamon, on declivities toward Toa Baja; near Santurce; near Humacao, on 

 grassy declivities at Buena vista; near Salinas de Cabo Rojo, on the seashore and on 

 Mount Juliana; near Rincon, in rocky places on the mountains; near Aguada, in fields 

 at Piedra Blanca; near Manati, around the lagoon of Tortuguero in sandy districts near 

 Campo. Cuba, Haiti, St. Kitts (Grisebach), St. Vincent. Tropical America: from 

 Brazil to Central America and Mexico. 



Cassia diphylla is easily recognized, as it is the only Porto Rican Cassia species with 

 but one pair of leaflets. 



Local names, hediondilla, zarzabacoa. 



13. Cassia portoricensis Urb.& 



(Urban, 275.) 



Small shrub, 0.25 to 0.60 meters high; leaflets 8 to 15 mm. long, 2 to 4 mm. wide; 

 stipules lanceolate, acuminate; inflorescence 1 or 2-flowered; sepals lanceolate or ovate- 

 lanceolate, 6.5 to 8 mm. long; petals obovate or orbicular-obovate, 12 to 15 mm. long, 

 short-clawed; stamens 8. 



Cassia portoricensis callosa Uro. 



(Urban, 275.) 



Leaflets on the margin callose-incrassate, glabrous or subpilose; inflorescence usually 

 2-flowered. 



Near Guayanilla, on calcareous mountains near Penon; near Mayaguez. 

 Local name, retama. 



Cassia portoricensis granulata Urb. 



(Urban, 275.) 



Shrub 0.3 to 1 meter high; leaflets not callose on the margin, pflose; inflorescence 

 1-flowered. 



Near Ponce, on the harbor; near Salinas de Cabo Rojo, in forests of the seashore; 

 near Guanica, in thickets on Mount El Maniel and in salty places on the seashore. 

 Indigenous. 



Local name, escobilla. 



This species is distinguished from the related species by its subcoriaceous, oblique 

 leaves. 



Cook and Collins, p. 112, as Chamaecrista diphylla. 

 &Cook and Collins, p. 113, as Chamaecrista portoricensis. 



