224 Proceedings of the Biological Society of Washington. 
Althougli based upon scanty material, the proj^osed species seems dis¬ 
tinct by reason of the few broad leaflets, with denticulate margins, and 
the longer, spreading pubescence. 
5. Choisya palmeri Standley, sp. nov. 
Branches stout, grayish or yellowish, the branchlets rather slender, 
densely short-birtellous, bearing few, minute, scarcely elevated glands; 
petioles half as long as the leaflets or longer, often equaling them, finely 
liirtellous; leaflets usually 7-11, rarely 5, 6-17 mm. long, 1-1.3 mm. wide, 
of uniform width throughout, denselj^ short-hirtellous, rounded at the 
apex, the margins strongly revolute, entire or nearly so; pedicels 1.2- 
2.3 cm. long, finely liirtellous; capsules 5-6 mm. high, cojiiously glan¬ 
dular, densely hirtellons; seeds 4-5 mm. long, dark brown, shining. 
Type in the U. 8. National Herbarium, no. 570,236, collected at Cbojo 
Grande, 27 miles southeast of Saltillo, Coahuila, Mexico, July 16, 1905, 
by Dr. Edward Palmer (no. 715). Also collected on J’ico de Teira, Zaca¬ 
tecas, May 17. 1908, by F. E. Lloyd (no. 223). 
Amply distinct in the short, strongly revolute leaflets and the spreading 
pubescence. The glands are smaller and less conspicuous than in any 
other specimens examined. 
