178 Proceedings of the Biological Society of Washington. 



elude Mt. Mariveles, Williams No. 532; Nueva Viscaya, MacGregor; 

 Taal Volcano, Subit, Dec. 22, 1913; Benguet Prov. , Bacani, Dec, 1908; 

 Amburayan, Vanoverbergh No. 4028; Bontoc, Vanoverbergh No. 856; 

 Banco, Bontoc, Vanoverbergh No. 1526; Bontoc, C 'urr an & Merritt Jan., 

 1909; Zambales Prov. Ramos, Dec, 1907; Dinalupihan, Bataan, Merrill 

 Nos. 1602 and 1485; Susong Dalaga, Loher No. 2293. 



Forms with narrowly elliptic-lanceolate leaflets attenuately acute or 

 acuminate include Mt. Maquiling Robinson & Foxworthy Feb., 1913; 

 Antipolo, Ramos Nov., 1914; Rizal Prov. Foxworthy Jan., 1906; Mt. Abu, 

 Pampanga, Foxworthy Jan., 1907; Montalban, Merrill No. 9638 with 

 notably lanceolate leaflets. 



It is possible that with mature pods and seeds two species may be dif- 

 ferentiated in the above material, a matter that can only be cleared up 

 by further field work. Seeds from Luzon have several times been planted 

 at Biloxi, Miss., but the plants did not even reach the blooming stage. 



