304 MERRILL. 



STERCULIACEAE. 



PTEROSPERMUM Schreb. 

 PTEROSPERMUM ELMERI sp. nov. 



Arbor plus minusve stellato-pubescens ; foliis obliquis, ovatis 

 vel oblongo-ovatis, subcoriaceis, 7 ad 10 cm longis, basi rotun- 

 datis, subpeltatis, apice breviter acute acuminatis, in siccitate 

 supra nigricantibus, glabrescentibus, subtus densissime fusco- 

 stellato-pubescentibus ; floribus racemosis, bracteolis profunde 

 tripartitis, segmentis lineari-lanceolatis ; sepalis circiter 3 cm 

 longis. 



A tree, all parts more or less stellate-pubescent, the branchlets, 

 inflorescence, sepals, and lower surface of the leaves very densely 

 so. Branches reddish-brown, terete, ultimately glabrous, the 

 younger ones densely brown-stellate-pubescent. Leaves subco- 

 riaceous, entire, strongly oblique, ovate to oblong-ovate, 7 to 10 

 cm long, 3.5 to 4.5 cm. wide, the wider side of the leaf more than 

 twice wider than the narrower one, the base rounded, subpeltate, 

 the petiole inserted 2 to 4 mm from the margin, the apex shortly 

 and sharply acuminate, upper surface, when dry, black or nearly 

 so, somewhat covered with deciduous, brown, stellate hairs, ulti- 

 mately glabrous or nearly so, the lower surface very densely 

 brown-stellate-pubescent ; lateral nerves 4 or 5 on each side of the 

 midrib; petioles densely pubescent, about 3 mm long. Racemes 

 terminal and in the upper axils, few-flowered, short ; pedicels 2.5 

 cm long or less, each with several bracteoles which are cleft 

 nearly to the base into three linear, acuminate, 8 to 12 mm long 

 lobes. Sepals 3 cm long, about 3 mm wide, externally densely 

 stellate-pubescent with brown hairs, internally densely grayish- 

 pubescent. Petals about 3 cm long, 8 mm wide. Sterile sta- 

 mens 2 cm long, the fertile ones, including the linear 7 mm long 

 anthers, 2 cm in length. Ovary densely brown-stellate-pubescent. 



Mindanao, District of Davao, Todaya (Mount Apo) Elmer 11928, Oc- 

 tober, 1909, distributed as Pterospermum ohliquum Blanco. 



A species manifestly very closely allied to P. subpeltatum Merr., differing' 

 in its somewhat smaller^ fewer nerved leaves and in its shorter sepals. 



PTEROSPERMUM LONGIPES sp. nov. 



Arbor circiter 10 m alta, ramulis subtus foliis inflorescentiisque 

 dense albido- vel subf usco-tomentosis ; foliis oblongo-ovatis, 

 subcoriaceis, leviter obliquis, usque ad 8 cm longis, integris, 

 acuminatis, basi rotundatis vel subtruncatis vix cordatis, supra 

 glabris, subtus albido- vel subf usco-tomentosis ; floribus panicu- 

 latis, long pedicellatis, sepalis circiter 5 cm longis. 



