74 Rusby : An Enumeration of South American Plants 



as pressed, the spreading limb 3.5 or 4 cm. broad : filaments, one 

 pair strongly sigmoid-curved, the others simply curved, reaching, as 

 curved, about to the middle of the corolla, slender : anthers trans- 

 verse, about 4 mm. long : style stout, upwardly thickened, the 

 branches 6 mm. long, broad, flattened, the apex rounded. 



Junction of Rivers Beni and Madre de Dios, Aug., 1886 (no. 

 1151). 



ACANTHACEAE. 



Mendoncia puberula micropus Nees ; DC. Prod. II : 53. 

 Guanai, 2000 ft., May, 1886 (nos. 2406 and 2407). 



Mendoncia glabra Nees ; DC. Prod. 11 : 52. Mapiri, 2500 ft., 

 May, 1886 (no. 2409). 



Mendoncia Undavii Rusby, Mem. Torr. Club, 4 : 24. (no. 

 2405). 



Mendoncia Velloziana Nees; DC. Prod. 11: 52. Guanai, 

 2000 ft., May, 1886 (no. 2408). 



Elytraria imbricata (Vahl.) Pers. Syn. 1:23 (Justicia im- 

 bricata Vahl. Eclog. Am. 1:1. £. tridentata Vahl, Enum. I : 

 107). Reis, 1500 ft., June, 1886 (no. 1115). 



Ruellia pcdunculosa Nees; DC. Prod. 11 : 211 in Syn. sub. 

 Arrhostoxylnm pedunailosnm. Guanai, 2000 ft., May, 1886 (no. 

 2426). The same as Bang's no. 1223 and Mathews' no. 3148. 



Ruellia paniculata L. Sp. PI. 635,^^ Britton. Yungas, 6000 

 ft, 1885 (no. 2410). 



Ruellia Willde noviana (Nees) Lindau [Siemonacanthus Willde- 

 noviana Nees ; DC. Prod. 11 : 2oy). Guanai, 2000 ft., May, 1886 

 (nos. 1 120 and 1 123), Mapiri, 2500 ft., May, 1886 (no. 1122 

 and Yungas, 6000 ft., 1885 (no. 11 24). 



Ruellia Bangii Rusby, Mem. Torr. Club, 6 : 102. Guanai, 2000 

 ft., May, 1886 (no. 11 17). 



Ruellia (Dipteracanthus) elliptica sp. no v. 



Strigose-hirsute : root stout, coarsely branched : stems erect, 

 stoutish, terete, branched from the base : leaves sessile, 3—6 cm. 

 long, 1-2 cm. broad, obovate, acute at the base, blunt at the apex, 

 entire, thickish : calyx 5—7 mm. long, divided nearly to the base, 

 the lobes lance-linear, acuminate : corolla pale-purple, pubescent, 

 nearly 3 cm. long, the tube strongly curved, passing gradually 

 into the infundibular-campanulate limb, the lobes 5—7 mm. long : 



