342 The Philippine Journal of Science 1919 
of the inflorescence divided into several very short (3 to 5 cm 
long) fructiferous branchlets, and the fruits are smaller than 
usual (16 to 18°mm in diameter, the seed 12 mm in diameter). 
I do not know if this specimen is to be considered an abnormal 
one, or if it represents a constant characteristic; in the latter 
case it ought to be considered as a species distinct from Corypha 
elata, 
METROXYLON Rottboell 
METROXYLON RUMPHII Mart. Hist. Nat. Palm. 3 (1838) 214, 318, 
t. 102, 159; Beee. in Ann. Bot. Gard. Calcutta 127: t. 105. 
MINDANAO, Davao District, Todaya, Elmer 11160, local name lumbia: 
Surigao Province, Catel, Merrill 5448. 
ZALACCA Reinwardt 
ZALACCA CLEMENSIANA Bece. in Philip. Journ. Sci. 4 (1909) Bot. 618, 
Ann. Bot. Gard. Calcutta 127: t. 49. 
MINDANAO, Lanao District, Camp Keithley, Mrs. Clemens 1109; Davao 
District, Todaya, Elmer 11879, local name lacaubi. 
PLECTOCOMIA Martius et Blume 
‘PLECTOCOMIA ELMERII Becc. in Ann. Bot. Gard. Calcutta 127: t. 22. 
MINDANAO, Davao District, Todaya, Elmer 11887. 
KORTHALSIA Blume 
Conspectus of the species. 
a’. Spikes amentiform with very closely crowded flowers and appressed 
spathels. 
b’. Leaf-sheaths produced at the base of the petioles into an inflated 
elongate-elliptic ocrea; leaflets more or less nearly white under- 
neath 1. K. scaphigeroides. 
b’. Leaf-sheaths produced at the bases of the petioles into a closely 
sheathing, densely spinous ocrea. 
ce’. Slender; leaflets of the upper part of the fertile plant small, 
rhomboidal, green on both surfaces or slightly paler beneath 
than above 2. K. Merrilli. 
ce’. Robust; leaflets large, cuneate-rhomboidal or trapezoidal, sharply 
double-toothed, paler beneath than above................ 3. K. laciniosa. 
a’. Spikes of squarrose appearance, the spathes scarious and not appressed; 
leaves furnished with an elongate, cornet-shaped ocrea which is 
truncate at the apex; leaflets cuneately rhomboidal, white under- 
neath = 4. K. squarrosa. 
1. KORTHALSIA SCAPHIGEROIDES Becc. in Philip. Journ. Sci. 4 (1909) 
Bot. 619, Ann. Bot. Gard. Calcutta 127: t. 67. 
MINDANAO, Zamboanga District, For. Bur. 4816 Hutchinson: Butuan Sub- 
province, Agusan River, Merrill 7313. BASILAN, For. Bur. 6106 Hutchinson. 
2. KORTHALSIA MERRILLII Becc. in Ann. Bot. Gard. Calcutta 12°: 
tu Bhs 
PALAWAN, Malampaya Bay, Merrill 9410. 
