406 
MERRILL. 
1 cm long or less, slender, the bracts lanceolate, acuminate, about 2 mm 
long. Sepals two, ovate or oblong-ovate, about 1 cm long and 6 mm 
wide, obtuse. Petals none. Stamens about 25; anthers broadly ovoid, 
retuse, less than 1 mm' long; filaments about 1 mm long, more or less 
united, forming a somewhat elongated torus. Capsules solitary, axillary, 
pedicellate, 1.3 to 1.5 cm long, about 1.8 cm wide, equally 3-winged, 
the upper outer corners of the wings rounded; placentae -2-partite. 
Luzon, Province of Cagayan, Claveria, Bur. Set. 7893 Ramos, March 13, 1909, 
on trees in forests, flowers white. 
A species manifestly allied to Begonia aequata A. Gray, arid i B. lagunensis 
Elm., differing from both in its relatively broader leaves, but especially in its 
elongated petioles which are about as long as the leaf-blades. 
58. Begonia lagunensis Elm. Leafl. Philip. Bot. 2 (1910) 735. 
Species B. aequatae A. Gray simillima et valde affinis, differt foliis 
majoribus, usque ad 9 cm longis, capsulis majoribus, usque ad 1.6 cm 
longis, petiolo 1.5 ad 3 cm longo. 
Luzon, Province of Tayabas, Lucban, Elmer 9327 (type number) ; Infanta, 
Bur. Sci. 9440 Robinson: Province of Laguna, Mount Maquiling,' Merrill 6302, 
7136: Province of Rizal, Loher 6093. Negros, Canlaon Volcano, Merrill 6981, 
April, 1910, in forests, altitude about 1700 m; Mount Silay , For. Bur. 4%24 
Everett, February, 1906, altitude about 1,000 m. Mindoro, Mount Halcon, 
Merrill 6135, November, 1906. 
Manifestly closely allied to Begonia aequata A. Gray, but distinct, readily 
separated by the characters indicated in the diagnosis above. 
59. Begonia aequata A. Gray Bot. Wilkes U. S. Explor. Exped. (1854) 658; 
A. DC. Prodr. 15 1 (1864) 321; F.-Vill. Noviss. App. (1880) 99; Merr. in 
Philip. Journ. Sci. 3 (1908) Bot. 84, pi. 4 - 
Luzon, Province of Laguna, Los Banos and Mount Maquiling, Wilkes Expedi- 
tion, type in U. S. National Herbarium, Elmer 8324, April, 1906. The specimen 
collected by Lobb, preserved in the Kew Herbarium, and doubtfully referred here 
by A. De Candolle is either this species or the preceding one. 
DOUBTFUL AND EXCLUDED SPECIES. 
Begonia repens Blume; A. Gray Bot. Wilkes U. S. Explor. Exped. (1854) 
658; Merr. in Philip. Journ. Sci. 3 (1908) Bot. 84. 
The specimen on which the above Philippine record was based does not seem 
to be extant. Begonia repens Blume is a synonym of B. mollis A. DC., of Java, 
Sumatra, and Borneo; I have seen no Philippine material that I consider 
referable to the species. 
Begonia crassicaulis A. DC.; Usteri Beitr. Ken. Philip. Veg. (1905) 118. 
Probably a pure error in identification, so far as Usteri’s record is concerned, 
or the specimens were taken from an introduced and cultivated; plant. The 
species is definitely reported only from Guatemala. 
Begonia borneensis A. DC.; F.-Vill. Noviss. App. (1880) 98. 
Begonia isoptera Dryand. ; F.-Vill. 1. c. 
The above two species were credited to the Philippines by F.-Villar, but I have 
seen no material from the Archipelago that I consider referable to either; 
probably admitted on erroneous identifications. 
