BLAKE: REVISION OF ICHTHYOMETHIA 245 



Low shrub ; petiole and rachis spreading-puberulous ; leaflet 

 prominulous-reticulate beneath; fruit 1.2 to 3.5 cm. long 



S- I- havanensis. 



Tree; petiole and rachis strigillose or appressed-puberul ous; 

 leaflets not prominulous-reticulate beneath; fruit 2.5 to 7.5 



cm. long 4. 7. communis. 



Leaves strigose or strigillose beneath, the hairs not more 

 numerous along the veinlets, crossing them transversely; 

 stipe of fruit much exceeding the calyx. 



Lobes of lower lip of calyx obtuse or rounded 



5- -^- americana. 



Lobes of lower lip of calyx short-acuminate 



6. I. acuminata. 



Leaves short-pilose beneath with spreading-ascending 



hairs 7-7. piscipula. 



Wings much narrower than the body of the fruit; leaflets i to 2 cm. 

 long 8.7. cubensis. 



I. Ichthyomethia grandifolia (Donn. Smith) Blake. 



Derris grandifolia Donn. Smith, Bot. Gaz. 56: 55. 1913. 



Tree, with stout branches ; shoots of the year cinereous-tomentulose, 

 the older branches glabrate; leaves 7 to ii-foliolate, 18 to 33 cm. long; 

 petiole, rachis, and petiolules densely cinereous- or sordid-tomentulose 

 with crisped spreading hairs ; leaflets 5.5 to 10 cm. long, 3 to 6.5 cm. wide, 

 oval or the lowest ovate, broadly rounded, mucronulate, rounded at 

 base, thick, above dull green, densely crisped-pilosulous, beneath densely 

 cinereous-tomentulose with crisped spreading hairs, these in youth 

 concealing the secondar}'^ veins; panicles cylindric, dense, 10 to 15 cm. 

 long, sordid-tomentulose; pedicels 1.5 to 4.5 mm. long; calyx 7 to 8 

 mm. long, densely sordid-pilosulous, the lobes of lower lip deltoid- 

 triangular, short-acuminate; vexillum oval-obovate, glabrous, 10 mm. 

 long; alae 12 mm. long (the claws 5.5 mm. long), the limb ciliate on 

 lower edge toward base; keel 13.5 mm. long, glabrous; vexillar stamen 

 entirely free; fruit 4 to 9 cm. long, 2.5 to 5 cm. wide, 3 to 5 -seeded, 

 densely sordid-pilosulous, the wings usually not divided, as broad as 

 or broader than the body, the stipe exceeding the calyx by i to 3 mm. 

 Type Locality: Cerro Gordo, Guatemala. 

 Specimens Examined: 



Puebla: Zapotitlan, 1908, Purpus "= 2648." 



Oaxaca: Near Dominguillo, altitude 1370 to 1675 meters, 1894, 

 Nelson 1826. 



Guatemala: Volcan Imay, Dept. Jalapa, altitude 1525 meters, 

 1908, Kellerman 8048 (N. Y. Bot. Gard.). Cerro Gordo, Dept. Santa 

 Rosa, altitude iioo meters, August, 1892, Heyde & Lux 3709 (type 

 collection) . 



This species departs from other members of the genus in its glabrous 

 banner and its free vexillar stamen. The flowers of the next species, 



A' 



