504 LEAFLETS OF PHILIPPINE BOTANY (Vor. IT, ART. 24 
Type specimen 9837, A. D. E. Elmer, Dumaguete Cuer- 
nos Mountains, Province of Negros Oriental, Negros, April, 
1908. 
Most similar to C. prainianum King, but petioles not 2.5 
to 4 inches long; racemes more than 1.5 inches, not lax; 
flowers more than 0.25 inches in diameter; pedicels also 
longer than that length; outer sepals not puberulous. 
Discovered on a wind swept forested ridge at 3500 feet. 
Flowers creamy white and sweetly fragrant. I take pleasure 
in naming this species in honor of Dr. H. S. Hibbard, Sup- 
erintendent of the Silliman Institute at Dumaguete. 
' VIOLACEÆ. 
VIOLA Tourn. 
Viola toppingii Elm. n. sp. 
Biennial herbs, in small tufts, forming large patches; 
stems erect or reclining, slender, shining, glabrous, several 
from the same root crown; stolons slender, chiefiy subter- 
ranean. Leaves mostly cauline, arranged above the middle, 
only a few or none from the base in the adult plants, broad- 
ly cordate, with a rounded very wide sinus, 2.5 cm. wide, 
about 2 cm. from the base to the acute or obtuse apex, 
glabrous, margins entire or here and there with a minute 
whitish callous point, thin, nerves very obscure and faint, 
quite variable in sizes; petioles slender, glabrous, varying 
much in length, the longest basal ones 12 cm. long; stipules 
foliaceous, glabrous, 3 to 5 mm. in length, entire, triangular- 
ly linear. Pedicels usually a trifle shorter than the foliage, 
glabrous, very slender, arising from the upper leaf axils or 
from the axils of the branchlets, recurved at the apex; calyx 
green, glabrous, 5-segmented, each segment provided at the 
base with a blunt appendage, about 3 mm. long, broadly 
lanceolate and with acute tips; petals 4, the lower one with a 
shallow sac at the base and bidentate at the apex, the ba- 
lance oblong and with rounded apices, 9 mm. long, hyaline, — 
nerved, white, but the inner side near the base streaked 
with dark rich purple or indigo blue; stamens 5, opposite 
the calyx segments and inserted upon their bases; filaments 
