316 



MEMOIRS OF THE XEW YORK BOTANICAL GARDEN 



fallen hairs. Calyx-limb .j toothed, the united portion shorter 

 than the teeth, wider than the tube, crateriform or short-cam- 

 panulate, bearing a thickened ring at the base on the inside, the 

 teeth broadly triangular, acutely cuspidate, the cusp strongly 

 reflexed. 



Tumapasa, 1,500 feet, 0. E. White, December 8, 1921 {no. 

 1839). 



Although this species is referred doubtfully to Maieta, I have 

 no doubt that it is generically distinct therefrom. In Maieta, 

 the calj'X is not extended beyond the capsule, whereas in this 

 species it is markedly extended, in a dilated form, and with a 

 peculiar annulus on the inside. These characters, especially in 

 this family, have a generic significance. In some ways, the plant 

 is nearer to the genus Microphysa than to Maieta, but is suffi- 

 ciently distinct from that also. In the absence of flowers, I am 

 not disposed to propose a new genus. 



Onagraceae 



Jussieua yacumensis 



Densely and minutely puberulent. Stems sharply angled or 

 subulate, at least above. Leaves sessile, very variable in form, 

 from narrowly lance-linear to oval or oblong, with obtuse base 

 and obtuse or acute suimnit, from 4 cm. long and 3 imn. wide to 

 4 cm. long and nearly 2 cm. wide; the midrib very stout and 

 prominent beneath, slightly so above, the secondaries about 10 

 on each side, very prominent beneath, strongly ascending, the 

 basal portion strongly curved, the margin slightly thickened and 

 revolute. Pedicels solitary in the axils, elongate in the fruit, at 

 length nearly 1.5 cm. long, slender. Calyx-tube, in flower, 5 mm. 

 long, 2 mm. wide, short-infundibular, olitusely 4-angled, the 

 lobes nearly a half longer than the tube, lance-linear, acuminate, 

 the midrib very strong, in fruit 3-ribbed with smaller inter- 

 mediate ones. Petals nearly twice the length of the calyx-lobes. 

 Partly mature fruit broadly infundibular, with 4 strong and 4 

 lighter ribs. 



Santa Ana del Yacuma, 800 feet, Martin Cardenas, March 5, 

 1922 {no. 18, special). "Plant 2 to 4 feet high, along roadsides, 

 the flowers yellow, the fruits very small." Also collected on the 

 pampas near Lake Rogagua, 1,000 feet H. H. Rushy, November 

 3, 1921 {no. 1427). Also from Buena Vista, Santa Cruz, Bolivia, 

 February 16, 1921, Steinhach 5326. 



