Rushy : Ax Enumeration of South American Plants 77 



Yungas, 4000 ft., 1885 (no. 1098), and Mapiri, 2500 ft., May, 

 1886 (no. 1 1 12). 



Aphelandra Rusbyi Britton, sp. nov. 



Coarsely, and the leaves sparsely, pilose : stems stoutish, te- 

 rete : leaves sessile above, short-petioled below, 1-1.5 dm. long, 

 6-9 cm. wide, obovate, acuminate at the base, acute at the apex, 

 the margin bearing 5 or 6 pairs of large spinulose teeth, deep- 

 green above, pale underneath, where the venation is prominent, 

 the 12-14 pairs of primaries very slender, continued into the teeth : 

 spikes (in bud) short-peduncled, about 6 cm. long, 2 or 3 cm. 

 broad, densely flowered : bracts 1.5-2 cm. long, 5-7 mm wide, 

 exclusive of the teeth, ovate, acute, bearing long setiform teeth, 



3-nerved : calyx 1.25 cm. long, parted nearly to the base, the 

 lobes lanceolate, acuminate and acute, lightly keeled and finely 

 nerved, pilose : flowers not seen. 



Reis, 1500 ft., June, 1886 (no. 1108). 



Pachystachys Rieddiana N. ab. E. ; Endl. & Mart. Fl. Bras, 

 tasc. 7: 93. Junction of Rivers Beni and Madre de Dios, Au- 

 gust, 1886 (no. 1099). 



Pseuderanthemum Bolivianum Britton, sp. nov. 



Sparsely short -pilose : branchlets elongated, slender, ascending, 

 reddish : petioles about 5 mm. long, consisting of the narrowed 

 leaf-bases, inserted into saucer- shaped dilations of the node : blades 

 3*5—7 cm. long, .75-2.5 cm. broad, lance-ovate, acuminate and 

 acute at both ends, entire, deep-green, thin, the slender venation 

 inconspicuous on both sides : peduncles and petioles each 3 mm. 

 long, sharply quadrangular : calyx 6 or 7 mm. long, divided 

 nearly to the base, the lobes narrowly linear, acuminate and acute. 



the tube hemispherical : corolla-tube 1.5 cm. long, very narrowly 

 infundibular, the limb abruptly spreading, the lobes nearly 1 cm. 

 !ong : capsule 2 cm. long, including the stalk, which is 1 cm. long, 

 the body oblong, shortly and acutely pointed : seed 3 mm. long, 

 2.5 mm. broad, ovate, acutish, strongly flattened, 1 -ribbed, strongly 

 tuberculatc. 



Junction of Rivers Beni and Mad 



1 



166). 



Mem. Torr. Club, 4 



2 42. Yungas, 4000 ft., 1885 (no. 18 18) and Mapi 

 April, 1886 (no. no 



Beloperone Cohabambensis Rusby, Mem. Torr. Club, 6: 1 03. 



