1 '.M» CONTRIBUTIONS PROM I III. NATIONAL HERBARIUM. 



:'. to 6 cm. Long, 3 to ■"> cm. wide, above shortly pilose, beneath Bubglabrous; inflores- 

 cence 10 to 15 cm. long; calyx about -nun. long; flowers violet; Btandard Buborbicular 

 or orbicular-ovate, i nun. long; Btamens9; pod (immature with 2 or 3 articulations. 

 Eastern pari of the island (Schwanecke, Wydler). Grenada, Tobag 



- Desmodium molle Yalil ■ DC. 

 I rban, 292. 



Erect; stem shrubby; branches herbaceous, Btriate, I .3 to - meters high; leafli 

 ovate, I to 5 cm. long, 1.25 to 2.75 cm. wide, membranaceous, pubescent on both Bides; 

 stipules Bubulate-setaceous; flowers very Bmall, "•."> nun. long, greenish outside, dark 

 blue within; calyx Begments linear, long; pod membranaceous, flat; articulations at 

 first elliptical, reniform with a lateral notch when mature, 6.5 to 8.5 mm. long, L4to 

 5 nun. wide. 



Near Coamo in meadows between Serillos and Salinas; near Juana Diaz, along roads 

 about Escalabrado; near Guanica, on declivities at Punta de la Meseta and in thickets 

 at Montalba. Jamaica (Grisebach . Eaiti, St. Thomas, St. Croix (Vahl), Martinique, 

 Curacao, Central America, South America. 



The legume of D. molh is quite unlike that of any other Porto Rican Desmodium. 

 Ii has a i><»(1 with 2 elliptical articulations, of which the upper is enlarged and fertile, 

 and when mature has a lateral notch. This is the only pod with a reniform articulation 

 within this genus in Porto Ri<-<>. 



9. Desmodium tortuosum i Sw . I DC. 

 (Urban, 293. 



Erect , 0.5 to 1.5 meters high; stem striate, cylindrical, the down uncinate; leaflets 3, 

 ovate or ovate-oblong, the terminal one 2.5 i<» K) cm. long, I to 4.5 cm. wide hispidu- 

 lous or glabrescent; pedicels filiform, longer than the flower; flowers small, purple or 

 pale blue; calyx 2 to 3 mm. «l**«-i>: corolla 5 to 6 nun. Long; pods with 2 to 6 articula- 

 i ions, constricted marly to the center. 



Near Bayamon, in shady localities and along roads toward Toa Baja; near Fajardo 

 in cultivated places; near Manual >o on shady slopes between Emajagua and Puntadel 

 Naranjo; between Aibonito and Algarrobo in steep places at the roadside; near Barran- 

 quitas, on declivities at tsabon; between Aibonito and Coamo along roads; neart loamo, 

 at Salinas: near Juana Diaz along roads; near Pefhielas on the top of Mount Viand on 

 plains around Mount Llano; near Guanica on gravelly banks around Barinas; near 

 Mayaguez; near Rincon, in the mountains at Calvache and od the plains toward 

 Aguada. Cuba, Jamaica, St. Thomas, St. Croix, Guadeloupe, Dominica. Martinique, 

 St. Vincent, Bequia (Kew Bull. no. 81, p. 246), Mustique (do.), Grenada, Central 

 America, North America. South America. 

 name, earzabacoa, junquillo. 



10. Desmodium spirale (Sw.) DC. 



(Urban, 293.) 



stem- annual. 30 to 45 cm. high, Blender, diffuse, Blightly pubescent; petioles L.2 to 

 2.5 cm. long; leaflets 3, the terminal one roundish or ovate, 2.5 to 5 cm. long; 1.2 to 2.5 

 cm. broad, the lateral ones Bmaller, subpapyraceous, both Bides green, glabrous; pedi- 

 cels 6.5 to B.5 mm. long, spreading, very Blender, glabrous; (lowers in Porto Rican 

 specimens always white; calyx 2.2 mm. long, deeply cleft; corolla Blightly exceeding 

 the calyx, greenish variegated with purple; pod 9 to L2 mm. long, 2.2 mm. wide; articu- 

 lations 1 to 6, separated by very narrow spaces, often spirally twisted. 



