PERKINS — THE LEGUMINOSAE OF PORTO RICO. L91 



NearBayamon; Dear Aibonito, at Cari-Blanco; near Coamo, in the valley of 111 Fuerte 

 River, in meadows around Serilloe al Salinas, and on grassy declivities tov an I Aibon- 

 ito; near Juana Diaz, along roads around Escalabrado; near Pefiuelas in the rock] plains 

 at Tallaboa Alta; aearMayaguez; near Rincon, in plains at Barrio del Pueblo. Cuba, 

 Jamaica, St. Thomas, St. Croix Eggers), St. John ; Antigua Grisebach 



deloupe, Martinique Duse . St. Vincent, Union Kew Bull. qo. 81, \>. -\~> . Barl 

 Trinidad (Grisebach . Common in tropical America; found also in the East Indies, 

 Africa, and the Polynesian Islands. 



Local name, zarzabacpa espiral, 



11. Desmodium scorpiurus (Sw.) I" 

 (Urban, 293. 



Procumbent, rooting al the base; stem angular; leaflets 3, oval or oblong, L.5 t<> J 

 cm. long, ! I- L.5 cm. wide, rounded al the apex, clothed on both surfaces with long, 

 silky, appressed hair-: calyx 2.5 to :; nun. deep, deeply clefl ; corolla Blightly exceed- 

 ing tin- calyx, peach-colored, rose, or purple, becoming white; pod subsessile, 

 uncinate-pubescent, slightly constricted al tin- dissepiments, the joints - to 7. oval- 

 linear, minutely truncate at both ends, the terminal pointed. 



In Bayamon around the church; uear the town in fields; aeai Fajardo in cultivated 

 places; between Aibonito and Algarrobo on precipices near the roads; between 

 Aibonito and Coamo on declivities; near Coamo, on Mount Santanaand in tin- valley 

 of El Fuerte River; aear CJtuado, iti ravines at San Andres; Dear Cabo Rojo, on hills 

 toward Joyuda.- -Cuba, Jamaica. Haiti. St. Thomas (Grisebach), St. Croix |._ 

 Antigua (Grisebach), Guadeloupe, Dominica (Grisebach . Martinique, St. Vincent, 

 Grenada, Trinidad, Margarita. -Mexico, Central America, Ecuador, Peru. 



A plant common in pastures. 



Local name, zarzabacoa cola dt escorpion. 



44. ALYSICARPUS Neck. 



Alysicarpus Neck. Elem. 3: 15. 1790. 



Fabricia Scop. Entrod. 307. 1777. not Adans. 1763. 



EegetschweUera Beeb & Regel, Cat-. Sem. Sort. Turic. 1842; Bot.Zeit. 1: 47. L843. 



Calyx deeply deft, the lobes stiff and dry. striate, subequal, the two upper one- 

 connate almost to the apex; standard orbicular or obovate, narrowed into a claw; 

 wings obliquely oblong, adherent to the keel; keel obtuse, slightly incurved, usually 

 with a little membrane on the outside on both margins; upper stamen ire.; ovary 

 sessile or substipitate, multiovulate; style aliform, indexed upwards; >iiL r ma termi- 

 nal, sometimes oblique, usually broadly capitate: pod terete or somewhal compi 

 equal or constricted between the articulations, these roundish or truncate at the 

 ends and indehiscent; sedds ovate or orbicular.- Erecl or diffuse herbs, glabrous or 

 loosely hairy, leaves simple in our species or very rarely 3-foliate ; stipules mem- 

 branous, scarious, acuminate, free or connate: flowers small, in terminal or rarely 

 axillary raceme.-, the pedicels usually in pairs; bracts and bracteoles usually scarious, 

 caducous. 



I. Alysicarpus numnmlarifolius (L.) DC." 



i Urban, 294. 



a perennial, tufted or much branched at the base, the stems decumbent or ascend- 

 ing, from a few centimeters to 25 em. long, glabrous or Blightly pubescent; lea> 

 short Blender petioles, the lower ones cordate-orbicular or oval, not 1.2 cm. long, the 



"Cook and Collins, p. 71. as Alysicarpus vaginalis. 

 (5734 vol 10, pt4— 07 5 



