556 CONTEIBUTIONS FEOM THE NATIONAL HERBARIUM. 



The compact, yellowish or brownish wood is used for carpentry and for 

 making canoes, carts, and other articles. The root is said to have strong 

 purgative properties. 



8. Trichilia arborea C. DC. Bull. Herb. Boiss. II. 5 : 426. 1905. 

 Yucatan. Costa Rica and Nicaragua ; type from Nicoya, Costa Rica. 



Tree, 15 to 20 meters high ; leaflets 11, ovate to oblong, 3.5 to 6 cm. long, 

 glabrate or puberulous above, short-pubescent on veins and surface beneath; 

 panicles several, short, corymbed at apex of branches; petals 4.8 mm. long; 

 style pubescent. " Choben-che " (Yucatan, Maya). 



This has been reported from Yucatfin as T. terminalis Jacq. The bark is 

 used there as a remedy for fevers. 



9. Trichilia pringlei Rose, Contr. U. S. Nat. Herb. 8: 50. 1903. 

 Known only from the type locality, Cuernavaca, Morelos. 



Shrub or tree, 4 to 9 meters high ; leaflets 15, elliptic or elliptic-ovate, 5 to 7 

 cm. long, sparsely appressed-pubescent on both sides at maturity, obtusely 

 acuminate; panicles (including peduncle) 15 to 20 cm. long, much shorter 

 than leaves ; petals glabrous, 5 to 5.S mm. long ; style glabrous ; capsule densely 

 fulvescent-pubescent, about 17 mm. thick. 



10. Trichilia pavoniana C. DC. Ann. Cons. Jard. Geneve 10: 154. 1907. 

 Mexico, without locality. 



Leaflets 13, elliptic, 2 to 5 cm. long, obtusely short-acuminate, appressed- 

 hirtellous above, densely so beneath ; panicles about equaling the leaves ; calyx 

 teeth 5, rounded, ciliolate ; petals glabrous, 6 mm. long ; style glabrous. 



11. Trichilia colimana C. DC. Bot. Gaz. 19: 40. 1894. 



Trichilia langlassci^ C. DC. Ann. Cons. Jard. Geneve 10: 160. 1907. 



Sinaloa to Guerrero ; type from Colima. 



Shrub or tree; leaflets 9 to 13, lanceolate to ovate or obovate-oval, the larger 

 5 to 12 cm. long, 2 to 4.5 cm. wide, sparsely or rather densely pilosulous or 

 pilose on both sides, acuminate ; panicles much shorter than leaves or equaling 

 them, sparsely pilosulous; calyx ciliolate; petals 4 or 5 ; capsules 1 to 1.5 cm. 

 thick, pubescent with short whitish hairs; seeds subglobose, 6 mm. thick. 



12. Trichilia wawrana C. DC. in DC. Monogr. Phan. 1 : 606. 1878. 

 Known only from the type locality, " Passo-Majo," Mexico. 



Leaflets 18 to 15, lanceolate, the larger 3.5 cm. long, 1.5 cm. wide, obtusely 

 cuspidate, appressed-pilose on both sides chiefly on the veins, ciliate; panicles 

 half as long as the leaves ; calyx puberulous ; style glabrous above. 



DOUBTFUL SPECIES. 



Trichilia pallida Swartz. Prodr. Veg. Ind. Occ. 67. 1788. This West Indian 

 species is listed by Hemsley ' from Mexico on the authority of Grisebach, but 

 the record is very doubtful. 



Teichilia palmeri C. DC. Bot. Gaz. 19: 39, 1894. 



Known only from the type locality, Armeria, Colima. 



Petioles 1 to 2 cm. long ; leaflets 3, narrowly obovate or elliptic, 2.8 to 6 cm. 

 long, 1.5 to 2.5 cm. wide, petiolulate, obtusely acuminate or short-pointed, 



* Named for Eugene Langlass6, who made a large collection of plants in 1898 

 and 1899 in the states of Michoacan and Guerrero. A set of the plants is in 

 the U. S. National Herbarium. 



' Biol. Centr. Amer. Bot. 1 : 183. 1879. 



