PHILIPPINE FREYCINETIA. 
315 
21. Freycinetia rostrata Merr. in Philip. Journ. Sci. 1 (1900) Suppl. 177. 
Mindanao, Lake Lanao, Camp Keithley, Mrs. Clemens }75, April, 1906, and 
without numbers, July, September, October, 1900, April and June, 1907. Samar, 
Lanang, Merrill 5235, October, 1900. 
22. Freycinetia warburgii Elm. Lead. Philip. Bot. 1 (1907) 218. 
Luzon, Province of Tayabas, Lucban, Elmer 8229, May, 1907. 
A species with the general appearance of F. luzonensis Warb., and F. robinsonii 
Merr., but with less acuminate leaves and manifestly in the section Plciostigma. 
23. Freycinetia ensifolia Merr. in Govt. Lab. Publ. (Philip.) 17 (1904) 5; 
Philip. Journ. Sci. 1 (1906) Suppl. 25. 
Luzon, Province of Bataan, Mount Mariveles, Merrill 32}2, October, 1903; 
Whitford 329, May, 1904; For. Bur. 262} Meyer, February, 1905; Topping- }68 ; 
Elmer 68}0, November, 1904; For. Bur. 6285 Curran, February, 1907: Province 
of Pampanga, Mount Abu, Bur. Sci. 19}} Foxworthy , December, 1906. 
A local species, common on exposed forested ridges on Mount Mariveles, above 
1,000 m altitude. 
24. Freycinetia williamsii sp. nov. § Pleiostigma. 
Dilfert a F. ensifolia foliis multo longioribus, sensim tenuiter acumi- 
natis, usque act 20 cm longis, 7 ad 10 mm latis; syncarpiis multo majo- 
ribus, binis vel tern is, rariter solitaries, globosis vel ellipsoideis, 2 ad 3 
cm longis latisque. 
Batan (Batanes Islands), Santo Domingo de Basco, Bur. Sci. 3786 Fcnix 
(type), June, 1907. Luzon, Province of Benguet, Bur. Sci. 350 } Mearns, July, 
1907; Elmer 5S57, March, 1904; Dr. Pond, March, 1904; Williams 1013, October, 
1904: Province of Laguna, Mount Banajao, Bur. Sci. 6075 Robinson, March, 
1908; Mount Maquiling, For. Bur. 7706 Curran & Merritt, October, 1907 : Province 
of Eizal, Bosoboso, For. Bur. 2696 Ahern’s collector, January— March, 1905. 
