PHILIPI'INK FUEYCINETIA. 315 



21. Freycinetia rostrata Mew. in riiilij). -louni. Sei. 1 (l!»0(i) Suppl. 177. 

 Mi.NDAXAO. Lake Laiiao, Camp Keithloy. l/r.v. Clcnicus '/7'.7, April, 1900, and 



without imniber.s, July, September, October, lilOG, April and June. 1907. Samar, 

 Lanang, Merrill 'y.l.io, October, 19()(i. 



22. Freycinetia warburgii Elm. Leall. IMiilip. Bot. 1 (1907) 21S. 

 Jazon, Province of Tayabas, Lucban, Elmer 8229, May, 1907. 



A .species with the general appearance of F. liizonensis Warb., and F. rohin.sonii 

 jMerr., but with less acuminate leaves and manifestly in the section Pleiosfuntiu. 



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 JiJ/.t October, 1903; 

 Whitford 320, May, 1904; For, Bur. 262-'/ Meyer, February, 1905; ToppitHj .',68; 

 Elmer 68J,0, November, 1904; For. Bur. 6285 Curran, February, 1907: Province 

 of Pampanga, Mount Abu, Bur. 8ei. 19J,Ji Foxirorihy, December, 1900. 



A local species, common on exposed forested ridges on Mount Mariveles, above 

 1,000 m altitude. 



24. Freycinetia williamsii sp. nov. § Pleiostigma. 



Dilfert a l'\ msifolitt foliis iiiultn longioribiis, sensim tenuiter acunii- 

 iiatis, usque ad 20 em l()ii<;is, T ad 10 mm latis ; syncarpiis multo majo- 

 ribus, binis vel tei-nis, i-ariter solitaviis, i^-lobosis vel ellipsoideis, 2 ad 3 

 em longis ]atis(]ue. 



Batan (Batanes Islands), Santo Domingo de Ba.sco, Bur. Hei. 3786 Feiiix 

 (type), June, 1907. Luzon, Province of Benguet, Bur. Sci. 3J0'i Mearm, July, 

 1907; Elwer 58.57, March, 1904; Dr. Pond, March, 1904; Williums 1013, October, 

 1904: Province of Laguna, Mount Banajao, Bur. Hei. 6075 Robinson, March, 

 1908; Mount Maquiling, For. Bur. 7706 Curran <(• Merritt, October, 1907: Province 

 of Rizal, Bosoboso, For. Bur. 2696 Ahern's eolleetor, January-March, 1905. 



