LEAFLETS ON PHILIPPINE BOTANY 
EDITED BY A. D. E. ELMER, A. M. 
Vol. I. Manila, P. L, April 8, 1906. Art. L 
PHILIPPINE RUBIACEAE * 
BY 
A. D. E. ELMER. 
era Sneed 
AMARACARPUS BLM. 
* Leaves lanceolate or oblanceolate, less than 6 em. long. 
1. A. pubescens Blm. ‘ 
* * Leaves linear, longer than 6 em. 
2. A. longifolius n. sp. Shrub, 1 to 2 m. high; young 
branches short brown pubescent. Leaves opposite, rather num-: 
erous toward the ends of the twigs, linear, 12 cm. long, 8 mm. 
wide, gradually tapering toward the apex, base acute, midvein 
very prominent and brown pubescent beneath, submembranous, 
glabrous on both sides; lateral nerves obscure, about 16 pairs, 
submarginally united; petiole similarly pubescent, at most 5 
mm. long; stipule thin, connate at the base, caducous, broadly 
ovate or oblong, 4 mm. long, ferruginous pubescent on the 
outer side. Inflorescence subsessily clustered in the terminal 
leafy axils; calyx pilose, its segments very short or obscure; 
corolla white, pilose on the exterior, companulate, tube about 
2 mm. long, its 4 segments triangularly obtuse, villous at the 
* This article was prepared in the Bureau of Science, of the Philippine 
Government, Manila, P. I., and is here published with the consent of the director, 
