1902 Leaflets of PniLippiNE Botany [Vol. V, Art. 94 



Type specimen numbers 13788 and 14155, A. D. E. Elmer, 

 Cabadbaran (Mt. Urdaneta), Province of Agusan, Mindanao, 

 September and October respectively, 1912. 



The firf^t number was collected on one of the summit 

 peaks of Urdaneta at 6000 feet altitude, the other number 

 on Cawilanan peak at a 1000 feet lower elevation. Both were 

 growing in loose more or less stony ground of wind swept 

 cold and wet moss laden woods. "Busayon" in Manobo. 



Leaves less than one half as large as in U. memecy- 

 loides Rolfe based upon Caning'' s number 1678 collected on 

 Samar. Neither can it ba referred to U. glabra Jack noi- to 

 U. arboreum {Reimo.) Korth. 



UNCARIA Schreb. 

 Uncaria laevifolia Elm. n. sp. 



Large looping climber; old stem 3.5 cm. thick, terete; 

 wood dingy white, bitter, very soft, nearly odorless, with a 

 large brownish pith; bark gray, smooth, the hypodermis 

 green; main branches long, green, angular, freely rebranched; 

 twigs drooping, occasionally provided with green axillary 

 much recurved and flat hooks, quadrangular except the 

 flattened nodes, even the young tips glabrous. Leaves re- 

 curved, subcoriaceous, shining and deeper green on the upper 

 side, ovately rotund or elliptic, entire, apex with a very 

 abrupt acute point, base quite broadly rounded, opposite, not 

 numerous, 2 dm. long by 13 cm. across the middle or below 

 it, curing similarly brown and sublucid even on the herba- 

 rium specimens, glabrous; midrib yellowish, conspicuous, 

 less prominent on the upper side, darker brown in the dry 

 state; lateral nerves also yellowish, 7 or 8 pairs, ascendingly 

 curved, also prominent beneath and usually with tufts of 

 axillary hairs in their axils, distinctly grooved along the 

 upper side, tips anastomosing; cross bars slender and numer- 

 ous, relatively plain beneath, minute tufts of hairs in their 

 axils on the upper side (giving the nerve a stitched ap- 

 pearance); petiole similar in color, 1 cm. long, almost one 

 half as wide at the base, excavated along the upper side, 



