30 Rusby: An Enumeration of South American Plants 



Diplolegnon Riceanum sp. n. 



Densely short-velutinous, the upper leaf-surfaces scabrous ; 

 stems (only the uppermost portions seen) light-brown, stout, 

 coarse and weak : petioles 2 to 4 cm. long, very stout ; blades 

 1.25 to 2.25 dm. long, 5 to 8 cm. broad, oblong to ovate : blunt at 

 the base, very short-pointed and acute at the apex, finely and very 

 shortly serrate, thickish but flaccid, dark-green above, ferruginous 

 underneath, the venation lightly prominent on both sides, father 

 more so above, the midrib and 12 to 14 pairs of slightly ascending 

 secondaries coarse and broad : pedicels . 5 to 1 cm. long, very 

 stout, nerved: calyx nearly 2 cm. long, purple, strongly 

 nerved, parted nearly to the base, the lower lobe keeled, its edges 

 strongly renexed, all broadly ovate, acute, hirsute : disk of two 

 scutellate lobes, thick and fleshy : ovary 5 mm. long, ovoid, com- 

 pressed : style 1 cm. long, the stigma 3 mm. broad: corolla 2.5 

 cm. long, 1 cm. broad, thick, red, hirsute, a little broadened up- 

 ward : stamens about equaling the corolla, the blackish connec- 

 tives greatly enlarged. 



Yungas, 6000 ft, 1885 (no. 2152). 



Species dedicated to Dr. Charles Rice, Chairman of the Re- 

 vision Committee of the U. S. Pharmacopoeia, who has kindly 

 suggested the generic name. 



Alloplectus grandifolius Britton, sp. nov. 



Ferruginous-tomentose, the upper leaf-surfaces coarsely stri- 

 gose : stems very stout, weak : only the uppermost leaves seen : 

 the petioles 3-5 cm. long, very broad, the blades 2-3 dm. long, 

 1-1.5 dm. broad, oval, varying to ovate or obovate, blunt or 

 rounded at the base, obtuse at the apex, thin, dark-green and 

 rough above, with the venation scarcely prominent, deep-purple 

 underneath, with the very broad, coarse midrib and 10-12 pairs of 

 coarse, moderately upcurved secondaries prominent, the margin 

 irregularly serrate-dentate : pedicels 2 or 3 cm. long, stout weak : 

 calyx deep-purple, 2 cm. long, divided nearly to the base the 

 lobes obovate, acutish, coarsely serrate-dentate, strongly veined : 

 ovary 5 mm. long and about as broad, strongly and sharply ridded 

 hirsute when young: style 2 cm. long, pilose : one lobe of the 

 disk promment, ovate, rounded at the apex, the others inconspicu- 

 ous and very irregular : corolla not seen. 



Mapi 



Mem. Torr. Club, 4 : 



238. Yungas, 4000 ft.. 1885 (no. 1352). 6000 ft. (no. 2487) and 

 Map.n. 2500 ft., May, 1886 (no. 2488). 



