DECEMBER 15, 1910] URTICACEAE FROM THE VICINITY OF Mr. Apo 887 
outer bract lobes nearly 5 mm. long, triangularly acute, with 
few fine hairs especially along the margins, the inner ones 
smaller; staminate flowers subtended by small bracteoles; per- 
ianth delicate, short stipitate, 1.5 mm. long, ciliate espe- 
cially above the middle, the lower one half united, the 
segments with apiculate points; anthers 5, deeply lobed, upon 
short thread-like filaments; pistillate flowers and fruits not 
seen. 
Type specimen 11593, A. D. E. Elmer, Todaya (Mt. Apo), 
District of Davao, Mindanao, August, 1909. 
Gathered on seepage ledges along the Cati creek at 6000 
feet on the east side of mount Apo. Forming dense masses, 
with the free pendulous ends far extending. Very pretty! 
Called by the Bagobos ''Rader." 
Quite distinct from all other known Philippine species. 
Elatostema inaequifolium Elm. n. sp. 
A delicate creeper; stems relatively succulent, brancbed, 
angularly terete, glabrous, green or turning pale brown, 
branched, the ultimate ones erect or suberect, taking roots 
at the nodes. Leaves horizontal, soft, membranous, flat, dark 
green and usually covered over by cystoliths on the upper 
side, much paler green beneath, very unequal in size, the 
basal ones quite small, oval, obtuse to rotund, those toward 
the erect ends fewer and much larger, glabrous, bright green 
in the dry state, the larger ones ovately lanceolate, 1.5 to 2 
em. long, 7.5 mm. wide below the middle, the abruptly obtuse 
base entire and inequilateral, apex acute to acuminate and 
terminating into a rather blunt point, the middle sides with 
few dentate serratures, usually upon a short but distinct gla- 
brous petiole, midvein quite conspicuous; the basallateral pair 
running along the margins, always evident toward the base, . 
the 1 to 2 lateral ones arising from the midvein above the 
middle and are usually obscure; stipule green, scarcely exceed- 
ing 1 mm. in length, also glabrous. Peduncle 7 mm. long, 
green, filiform, smooth, ascending, usually solitary from the 
uppermost leaf axils; involucral bracts few, unequal, smooth, 
the larger one distinctly foliaceous, 2.5 mm. long, 1.5 mm. 
wide, triangularly oblong, the inner ones smaller and hyaline, 
