﻿PLANTS OF THE TRES MARIAS ISLANDS 



81 



Patdliuia sessiliflora Radl. 



Heretofore only known from the type specimens collected by Dr. 

 Edward Palmer in the State of Golima, Mexico. May 3 to 25 (No. 

 4210). 



Urvillea ulmacea H. B. K. 



Common in Mexico and northern South America. May 3 to 25 (No. 

 4277). 



Cardiospermum corindum L. 



A widely distributed species. Maria Magdalena Island, May 26 to 28 

 (No. 4328). 



Crotalaria lupuliiia ? H. B. K. 



Perhaps this species, which is common in Mexico, and extends into 

 the United States. May 3 to 25 {No. 4248). 



Teplirosia sp. 



May 3 to 25 {No. 4193). 



Desmodium sp. 



May 3 to 25 {No. 4287). 



Erythrina lanata Rose, sp. no v. 



A small tree, 4.5 to 7.5 meters high, with a trunk 10 cm. in diameter; 

 branches glabrous, bearing mostly single infrastipular spines; leaflets 

 triangular, shortly acuminate, 5 to 10 cm. long, 5 to 7.5 cm. broad, 

 glabrous or nearly so. 



Fig. 1. — Erythrina lanata; a, calyx; &, banner; c, keel; rf, wing; e, stamens; /, ovary. 



Inflorescence unknown ; calyx lanate becoming glabrate, tubular, 10 

 to 13 mm. long, truncate, one-toothed; banner 68 mm. long, folded, 

 densely white-lanate, rounded at apex; wings (9 mm. long) and keel 

 (10 mm. long) included, within the calyx; ovary densely lanate; legume 

 glabrous, 12.5 to 15 cm. long, strongly constricted between the seeds, 

 long-stipitate, attenuate at tip; seeds small (for the genus), nearly 

 orbicular, 6 to 8 mm. long, bright scarlet, with a dark spot at the 

 micropyle. 



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