January 11, 1911] New AND NorewomgTHy RUBIACEAE -1039 
deciduous; fruit 7.5 mm. long, ellipsoid, bright orange red, 
juicy, sweet, with 2 flattened straw colored stony seeds. 
Hydnophytum nitidum Merr. in Philip. Journ. Sci. II; 
907, 1907. 
Based on the author's number 6181, collected on mount 
Halcon, November, 1906. 
Hydnophytum intermedium Elm. n. sp. 
Epiphytic and insectivorous shrub; tubers irregularly 
rugose or obscurely lobed, smooth, grayish to brown; stems 
several, numerously branched, rigid, the older ones gray, the 
twigs brown, smooth, terete, tips ascendingly curved, 6 dm. 
long, the branchlets relatively short. Leaves flat, coriaceous, 
ascending, yellowish green, paler beneath, reddish brown in 
the dry state, glabrous, opposite, rather numerous along the 
branchlets, entire,. sides slightly unequal, sessile, oblong to 
oblong spatulate, the average ones 5 cm. long, 1.5 cm. wide 
across the middle, apex broadly obtuse or rounded, base 
broadly cuneate; midvein very evident, the 3 lateral pairs 
ascendingly curved and more evident from the upper side; 
stipule very -short, oblong, obtuse at apex, early falling. 
Flowers not seen; fruits usually, 3-clustered in the leaf axils, 
salmon red, ovoidly ellipsoid, 6 mm. long, shining, with 
the truncate calyx rim; pyrenes 2, plano-convex. 
Type specimen 10782, A. D. E. Elmer, Todaya (Mt. Apo), 
District of Davao, Mindanao, May, 1909. 
Upon tall trees of dense woods in a fertile humid basin 
at 3750 feet. 
Intermediate between H. nitidum Merr. and H. angustifoliwm 
of the same author. 
Hydnophytum mindanaensis Elm. n. sp. 
An epiphytie myrmecophyte; tuber 4 dm. thick, rugose, 
smoothish, dull green, the inside honey-combed, channels brown, 
the vegetative portion whitish and about as hard as a potato; 
stems several, arising from the side of the tuber, the larger, 
ones 1 m. long, ascendiugly spreading, very smooth, grayish 
