Rusby : An Enumeration of South American Plants 127 



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

 21 19). Dr. Britton says : " also collected by Pearce at Monte- 

 rico, 3000-4000 ft, March, 1867. " 



Species peculiar in having the staminate flowers elongated. 



Cryptocarpus fyrif orwis H.B.K. Nov. Gen. et Sp. 2 : 188. //, 

 T24.. Yungas, 6000 ft., 1885 (no. 2497). 



ILLECEBRACEAE 



Pentacaena ramossissima (Weinm.) H. & A. Hook. Bot. Misc 

 3: 338. 1833 (Loeflingia ramossissima Weinm. Flora, 2: 608 

 1820). Sorata, 8000 ft., Feb., 1886 (no. 1524). 



Herniarca setigera Gill. Hook. Bot. Misc. 3: 337. 1833 

 Yungas, 6000 ft., 1885 (no. 1791). 



AMARANTACEAE 



(All the specimens pertaining to this family were taken for 

 study by Professor Dr. Hans Schinz. No report has been received 

 and there are no specimens in hand for our enumeration.) 



CHENOPODIACEAE 



Chenopodium ambrosioides L. Sp. PI. 219. Vic. La Paz, 10000 

 ft, Apr., 1885 (no. 142 1 ). 



Atriplex Rusbyi Britton, Mem. Torn Club, 4 : 250. Yungas, 

 6000 ft., 1885 (no. 1529). 



Atriplex sp. (?) 



Glabrous : stems filiform, twining : petioles 5-7 mm. long- 

 rather broad: blades 1-2 cm. long, 4-8 mm. broad, triangular, 

 lanceolate, shallowly cordate at the base, acuminate and acute, 

 entire, 3-5 -nerved, the nerves rather conspicuous on both sides : 

 upper leaves becoming linear : racemes 2 or 3 cm. long, the 

 peduncles about 1 cm. long, filiform, remotely-flowered, the 

 flowers clustered : bracts about 1 mm. long and broad, ovate, 

 green with white-scarious, ciliate margins : pedicels less than 

 I mm. long, about as long as the flower : flowers staminate, the 

 purplish perianth deeply 6-lobed : stamens 6, the anthers didymous, 

 with a broad connective. 



Unduavi, 8000 ft, Oct., 1885 (no. 2545)- 



W 



twining habit and inflorescence of Boussingaultia, this species 

 presents the staminate flowers and didvmous anthers of AtripUx. 



