January 11, 1911] New AND NorEWORTHY RUBIACEAE 993 
ther thick, sharply acuminate, 4 mm. long, 1.5 mm. wide 
at the base, the outer ones occasionally developed into petal- 
oid appendages, recurved, strigose; corolla 2 cm. long at 
least, tubular and strigulose on the outside including the 
segments, yellowish hairy on the inside from below the 
middle to the throat; lobes 4 or 5, quite thick, ovately 
oblong, 8 em. long, 1.5 mm. wide, nearly free; stamens 5, in 
the middle of the tube; filaments very short, glabrous; 
anthers narrowly linear, nearly 4 mm. long, attached below 
the middle on the back; style slender, glabrous, terminated 
by 2 flattened stigmatic arms; fruit short ellipsoid, 12.5 
mm. long, 2-celled, smooth; seeds very many, light brown, 
subcompressed, pitted, 0.75 mm. across, angularly circular 
from the side. 
. Type specimen 11291, A. D. E. Elmer, Todaya (Mt. Apo), 
District of Davao, Mindanao, August, 1909. 
This lofty tree climber was collected in a densely wood- 
ed ravine of good soil along the Baracatan creek at 2750 
feet. 
Appearing somewhat like specimens of M. philippica 
Rich., but aside from having an entirely different habitat 
it differs in many minor details. 
Mussaenda vidalii Elm. n. sp. 
Scandent with other climbing vines along a large tree 
trunk to its first limbs; stem branched all along, 3 to 
5 cm. thick, subterete; branches lax, somewhat drooping 
and with suberect tips; wood soft, whitish, odorless and taste- 
less; bark smooth, yellowish gray, lenticelled and ferru- 
ginous pubescent on the twigs. Leaves well separated along 
the branchlets, opposite, membranous, much deeper green 
above, drying brown on the upper strigulose surface, pale 
green on the lower pubescent side, entire, flat, mainly hori- 
zontal, the larger blades 20 mm. long, 12 mm. wide, elliptic 
or the smaller ones ovately elliptic, apex abruptly acute, 
base broadly obtuse, short cuneate or rounded; nerves 7 to 9 
on each side, ascendingly curved especially toward the tips, 
fuliginous hairy on the upper side of the blade as well as 
beneath, cross bars evident, the reticulations minute; petiole 
