88 
MERRILL. 
Weher s. n., March 15, 1911, with fruits: District of Davao, Copeland 533, 
March, 1904, with (S flowers and with fruits. 
Native names: Chanon (Igorot, Benguet) ; Ayo, Ayu (Tagalog, Bataan, 
Rizal, Pampanga, etc.). 
Tetrastigma sepulchre! sp. nov. 
Frutex scandens, inflorescentiis exceptis glaber, ramulis 
teretibus, striatis, vix tuberculatis ; foliis 3-foliolatis vel pedato- 
5-foliolatis, foliolis coriaceis, nitidis, oblongis, usque ad 12 cm 
longis, acuminatis, distanter crenato-denticulatis ; inflorescentiis 
axillaribus vel oppositifoliis, 2- vel 3-pinnatim umbellato-corym- 
bosis, petiolo aequantibus vel longioribus; floribus umbellato- 
dispositis, extus leviter pubescentibus, petalis oblongis, 3 mm 
longis, supra glanduloso-corniculatis ; ovario piloso. 
A scandent vine about 3 m high, glabrous except the inflores- 
cence, the branches terete, striate, smooth, olivaceous when dry. 
Tendrils leaf-opposed, stout. Leaves palmately 3-foliolate or 
more commonly pedately 5-foliolate, their petioles 3 to 5 cm long. 
Leaflets oblong, coriaceous, shining, of about the same color on 
both surfaces when dry, the lower surface duller than the upper 
one, 9 to 12 cm long, 3 to 4.5 cm wide, acuminate, base acute 
or somewhat rounded, of the lateral ones usually inequilateral, 
the margins more or less recurved, distantly crenate-denticulate ; 
primary lateral nerves 7 to 9 on each side of the midrib, distant, 
anastomosing, the reticulations obsolete or nearly so; petiolule 
of the middle leaflet about 2 cm long, the common one of the two 
lateral leaflets about one-half as long, their petiolules proper 
3 to 5 mm in length. Inflorescence leaf-opposed and axillary, 
5 to 10 cm long, slightly pubescent or nearly glabrous, rather 
lax, 2- or 3-pinnately umbellate-corymbose, the primary branches 
opposite or umbellately arranged, each bearing 4 or 5 or more 
umbellately arranged secondary branches, these in turn bearing 
few to many umbellately arranged flowers. Flowers 4-merous 
(very rarely 5-merous), dioecious, their pedicels 3 to 5 mm in 
length. Pistillate flowers: Calyx disk-like, truncate, 1.5 mm in 
diameter, glabrous. Petals 4 (rarely 5) , uniformly but sparingly 
pubescent externally oblong or oblong-ovate, somewhat narrowed 
upwards, obtuse or acute, distinctly hooded at the apex and some 
or all with an apical dorsal gland with a short, stout, reflexed 
process at its base. Staminodes very slender, 1 mm long. 
Ovary 2 mm long, narrowed upwards, glabrous. Stigma sessile, 
truncate, obscurely 4-lobed. 
Luzon, Bontoc Subprovince, Bauco, in forests, altitude about 1,650 m, 
Vanoverbergh 1215, May 18, 1911. 
