' ' ..: 



r b 



tERKINS— THE LEGUMINOSAE OE PORTO EICO, 



189- 



4(1. Desmodium axillare sintenisii Urb. 



(Urban, 292.) 



I^ibopcence of tbe stoni very sborl; leaflets ovate, long-acuminate; flowers white; 

 pod artif'Tilations 9 to 10 mm. long, G,5 to 7 mm. wide. 



Sierra de Luquillo, halfway to the top of Mount Jimenez; Sierra de Yabueoa, in the 

 primeval forests of Mount Cerro Gordo and ]\Iount Sombrero. — Haiti. 



5. Desmodium supinum (Sw.) DC. 



(Urhnn^ 290.) 



A diffuse undtn-shrub fiO to 90 em. high, l>ranches finely gray-pubescent upward; 

 stipules connate to the middle, at length subdistinct, lanceolate, scarious; leaflets 3, 

 central one oblong or oboAate, 7.5 lo 10 cm. long, generally under half as broad, its 

 petioluleshortj its stipellae minute; lateral leaflets smaller and more rounded at the 

 base, subcoriaceous, the upper surface glabrous, the lower thinly and finely pubescent; 

 calyx 2.2 mm, deep, the teeth lanceolate, reaching halfway down; corolla red, becom- 

 ing blue or pale i)urpl(^j G.5 to 8.5 mm. deep; pod 2.5 cm. long, 3 mm. wide, with 5 to 

 8 articulations, which are considerablj^ longer than broad. 



Near liayamon in grassy plact^; in^ar I^'ajardo along roads and in the river valley 

 toward the mountains; near Juncos along roads; near Maunabo at Punta Tuna; near 

 Cayey at Quebrada Arril^a in thickets; near Cabo Rojo along roads around Puerto 

 Real; near Mayaguez. — Bahama, Cuba, Jamaica, Cayman (Hitchcock), Haiti, St. 

 Thomas, St. Croix, St. John, St. Martin (Stockholm Herbarium), St. Bartholomew 

 (do.), St. Kitts, Antigua, Guadeloupf^, Dominica, ^lartinique, St. Vincent, Bequia 

 (Ktnv Bull. no. 8J, p. 245), Barbados, Grenada, Tobago, Trinidad (Grisebach), 



Margarita. 



A. common Iropiail Ainorican species, occurring also in Africa and the Mauritius. 

 Local name, zarzabaroa. 



5a. Desmodium supinum ang-ustifolium. (Griseb.) Urb. 



(Urban, 291.) 



Plant 1 to 1.5 meters high; flowers conspicuous, })ale blood-red or pale purple. 



Between Aibonito and Coamo, near Algarrobo, inthickets; nearCoamo, in the valley 

 of EI Tt^ndal River; near Bincon, on !^bady mountains at Barrio del Pueblo. ^Cuba, 

 Haiti, Antigua (Grisebach). 



6, Desmodium albiflorum Salzm. 



(Urban, 292.) 



Si cm diffuse, 15 to 30 cm. high; leaves sometimes wid(dy, sometimes narrowly ovate, 

 about 2.5 nun. long, oV>1use or rarely somewhat acute, membranous; stipules cordate, 

 acuminate, free or at the back connate: flow(Ts while; calyx about 2.2 mm. deep, 

 petal? (5.5 nmi. long; pod subsessile, its articulations indefinite in number, usually 5 

 or (i, these when mature 0.5 mm. long. 4,4 mm. wide. 



Near Cayey, in coffee plantations at Pedro Avila; near C^oanio, in coffee plantations 

 at Farrajones. — Mexico, Central America, Ecuador, and Brazil (Bentham, Hemsley). 



7. Desmodium wydlerianum Urb. 



(Urban, 292.) 



Perennial (?), prociuubent below, rooting at the nodes, ascending above, shortly 

 pubescent; leaflets triangular-ovate or rhoml)oid, acuminatCj subtruncate at the base, 



