110 Proceedings of the Biological Society of Washington. 



Owing to the lack of flowers the place of this species is uncertain. It 

 may be recognized readily by its oval or orbicular subequilateral leaflets 

 which are densely griseous-pilosulous beneath. 



Cedrela whitfordii Blake, sp. nov. 



Tree; branchlet fuscous-brown, stout, sparsely spreading-puberulous 

 and strigose; leaf abruptly pinnate, with 9 pairs of leaflets; petiole terete. 

 4 cm. long, densely spreading-pilosulous ; rachis similar, 36 cm. long, sulcate 

 above; leaflets of the pairs about 1 cm. apart below, subopposite above, 

 on densely puberulous petioles 1 mm. long or less, the lowest ones ob- 

 liquely ovate-oblong, 8 cm. long, 3.5 cm. wide, the others gradually larger, 

 the sixth and seventh pairs largest, elliptic-oblong, 13.5 cm. long, 5 cm. 

 wide, inequilateral, obtuse, very unequal at base, broadly rounded and 

 overlapping the rachis on the upper side, obliquely cuneate-rounded on 

 the lower, subcoriaceous-pergamentaceous, above deep green, shining, 

 curved-puberulous along costa, ciliolate, beneath duller green, rather densely 

 spreading-pilosulous along the costa and chief veins, spreading-puberulous 

 along all the finer veinlets, barbatulate in the axils, the costa and the 13 

 to 15 pairs of chief lateral veins prominent beneath, prominulous above, 

 the secondaries and tertiaries prominulous-reticulate on both sides ; panicle 

 large, loose, 25 cm. long or perhaps much more, about 50 cm. wide, sor- 

 didly spreading-pilosulous on the widely spreading branches, the axis 

 glabrescent; cymules 3-flowered; pedicels 1 to 2 mm. long; calyx 3 mm. 

 long, cup-shaped, cinerascent-puberulous with appressed hairs, 5-toothed, 

 the teeth semicircular, broadly rounded or apiculate, about 0.7 mm. high; 

 corolla densely rufidulous-pilosulous with matted hairs, 8.5 to 9 mm. long; 

 petals 4 or 5, linear-oblong, obtuse ; stamens 4 or 5, glabrous, the subulate 

 filaments 2 mm. long, the quadrate-oval anthers 1.2 mm. long, notched at 

 apex and minutely apiculate in the notch; column 5 mm. long; pistil 2.8 

 mm. long; ovary glabrous, 1 mm. long; style stout, glabrous, 1.2 mm. long; 

 stigma thick, discoid; fruit 4 cm. long; seeds obovate-elliptic, acute or 

 acuminate at each end, 2.2 cm. long, 6.5 mm. wide, chestnut-brown. 



Type in the U. S. National Herbarium, no. 1037001, collected near 

 Buena Vista, in the Magdalena and Negro Rivers bottom, Colombia, 

 July, 1917, by H. N. Whitford and J. Pinzon (no. 7). 



Cedrela whitfordii is related to C. bogotensis Tr. & PI. and C. fissilis 

 Veil. From the former it may be separated by its considerably larger 

 obtuse leaflets on very obscure petiolules, and its much larger corolla; 

 from the latter by its not velutinous branches, its blunt leaflets, the lower 

 of which are alternate, its blunt calyx teeth, and its larger fruit. It 

 bears the vernacular name "cedro real." 



Cedrela yucatana Blake, sp. nov. 



Tree about 12 meters high; branchlets stout, gray, striate, glabrous; 



leaves alternate, abruptly pinnate, with 4 to 11 (usually 6 to 8) pairs of 



leaflets; petioles densely incurved- or spreading-puberulous, glabrate, 



4 to 8 cm. long; rachis similar, sulcate above, 8 to 37.5 cm. long; leaflets 



