232 
MERRILL. 
MEZONEURUM Desf. 
Mezoneurum mindorense sp. nov. 
Scandens; foliis bipinnatis, usque ad 35 cm longis, rhachidibus 
postice aculeis geminis ternisve recurvis armatis; pinnis ca. 12, 8 ad 
10 cm longis; foliolis 8- ad 12-jugatis, oblongo-ellipticis, glabris, 1 ad 
1.5 cm longis; paniculis terminalibus ; leguminibus brunneis, nitidis, 
ca. 7 cm longis, monospermis, alis 5 mm latis. 
Scandent, nearly glabrous throughout, the branches terete, dark- 
reddish-brown, with scattered stout recurved spines about 2.5 mm long. 
Leaves 35 cm long or less, bipinnate, the racbis with short but stout 
recurved spines in pairs, rarely in threes at the insertion of the pinnae; 
pinnae 12 or less, 8 to 10 cm long, the rhachis slightly pubescent ; leaf- 
lets 8 to 12 pairs, oblong-elliptical, glabrous, submembranaceous, 1 to 1.5 
cm long, 5 to 7 mm wide, paler beneath, the apex rounded, minutely 
apiculate, rarely slightly emarginate, the base acute or obtuse; nerves 
obscure; petiolules very short. Panicles terminal, in fruit 30 cm long 
or more, the branches somewhat pubescent. Plowers unknown. Pods 
glabrous, shining, about 7 cm long, about 2.2 cm wide in the middle, 
coriaceous, brown, somewhat semilunar in outline, the winged margin 
nearly straight, the other regularly curved, giving nearly the outline 
of a sector of a circle, the wing 5 mm wide, base and apex acute; seed 
solitary, in the middle of the pod, flat, circular in outline, 7 mm in 
di ameter ( i mmature ) . 
Mindoro, Pinarnalayan, For. Bur. 5383 Merritt. October. 1906, in thickets 
near sea level. 
Var. inerme var. nov. 
Differt a typo foliorum rhachidibus inermibus. 
Mindoro, Bulalacao, Bur. Sci. 151.1/ Bermejos, August 30, 1906. 
ERYTHR OX Y L ACE2E. 
ERYTHROXYLUM P. Browne. 
Erythroxylum cuneatum (Wall.) Kurz in Journ. As. Soc. Beng. 43- (1874) 
35; Schulz in Pflanzenreich 29 (1907) 146. 
Erythroxylum hurmanicum Grift'. Not. PI. Asiat. 4 (1854) 468. t. 581, f. 3; 
Merrill in Forestry Bur. Bull. 1 (1903) 25. 
Luzon, Province of Rizal, Loher s. n., May, 1904; Bosoboso, Bur. Sci. 1023 
Ramos, June, 1906: Province of Bulacan, For. Bur. 7158 Curran, June, 1907: 
Province of Camarines Sur, Pasacao, Ahern 292. 
Tenasserim to the Malay Peninsula, Sumatra and Java. T., Saline/, Manamho. 
Erythroxylum platyphyllum sp. nov. § Coelocarpus. 
Differt E. cunealo pedicel lis brevioribus, ca. 2 mm longis, foliis ma- 
jor i bus, usque ad 11 cm longis, 6 cm latis. 
