LEAFLETS OF PHILIPPINE BOTANY 
EDITED BY A. D. E. ELMER, A. M. 
Vol. Il. Manila, P. I., November 3, 1908. Art. 20. 
SIX UNDESCHIBED SPECIES OF MACARANGA 
BY 
A. D. E. ELMER. 
—o— 
Macaranga caudatifolia Elm. n. sp. 
Tree, 8 co 10 m. high; trunk 2 dm. thick; wood 
rather soft, easily cutting, reddish white, with a faint sappy 
odor; bark smoot, gray or mottled; branches suberect, the 
ultimate ones numerous, erect, comparatively short and form- 
ing a dense bushy crown; twigs glabrous, reddish when young. 
Leaves very numerous, mem. anous, characteristically descending, 
very smooth and dark green above, glaucous beneath, strongly 
conduplicate on the upper side, exceedingly variable in size 
but not in shape, the larger blades 8 cm. long, 3 cm. 
wide below the middle, glabrous on both sides, the lower 
surface densely covered with minute glands, margins entire 
toward the rounded or flatly cuneate or nearly subtruncate 
base and along the caudate apex, the sides obscurely undulate, 
the young foliage reddish; petiole averaging 1 to 2 cm. long, 
glabrous, reddish; nerves also reddish, conspicuous beneath, 
strict, oblique, 5 to 7 pairs, glabrous, the cross bars rather 
faint or obscure. Staminate inflorescence from the uppermost 
leaf axils, greatly varying in length from a few cm. to 1 
dm., spicate; peduncle solitary from the leaf axils, glabrous, 
the longer ones occasionally short branched; flower clusters 
more numerously clustered toward the top, sessile, subtended 
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