302 Rusby: An Enumeration of the Plants 



Manilwt utilissima Pohl. PI. Bras. Ic. I : 32. //. 24. Cult, at 

 Mapiri, 2500 ft., May 1886 (no. 887). 



Manilwt Aipi Pohl. /. c. 29. pi. 23. Cult, at Mapiri, 5000 ft. 



Apr. 1886 (no. 886). 



Manihot Rusybi Britton sp. nov. 



Inflorescence gray-to mentellate, the leaves puberulent on 

 the veins underneath : stems slender, terete, pale : petioles 4-7 cm. 

 long, stoutish, rigid: blades varying from entire, broadly ovate, 3- 

 ribbed, to deeply 3-lobed or nearly 3-foliolate, the lobes ovate, 

 acuminate and acute, .7-1 dm. long, 3-5 cm. broad, entire, 

 thin, pale : racemes several, terminal, 3 or 4 cm. long, short - 

 peduncled : pedicels 1 or 2 mm. long, stout : buds pyriform. 

 Staminate flowers only seen : perianth 1 cm. long, open-campanu- 

 late, lobed about halfway, the lobes ovate, obtuse, purple with 

 yellowish summits ; longer filaments about equalling the corolla, 

 coiled, the shorter about half as long : anthers linear, nearly 3 mm. 

 long: disk fleshy, yellowish, deeply 10-lobed or of 10 almost dis- 

 tinct incurved narrow rib-like glands: pistil not perceptible. 



Falls of Madeira, Oct. 1896 (no. 888). " Perhaps the same 

 as Mathews no. 1022 from Peru" [N. L. B.]. 



Acalypha hibiscifolia Britton, Mem. Torr. Club, 4 : 257. Yun- 

 gas, 6000 ft., 1885 (no. 1275). 



Acalypha communis Muell. Arg. Linnaea, 34: 23. 1865-66, 

 fide Britton, Unduavi, 8000 ft., Oct 1885 (no. 1265) and Yungas f 

 6000 ft., 1885 (no. 1267). 



Acalypha mollis H.B.K. Nov. Gen. et Sp. 2 : 94, fide Britton. 

 Sorata, 8000 ft, Feb. 1886 (no. 1257). Another collection from 

 the same locality, and unfortunately bearing the same number, is 

 probably a large-leaved form of the same. 



Acalypha scandens Benth. Hook. Kew Journ. 6 : 329. 1854. 

 Falls of Madeira, Brazil, Oct. 1886 (no. 1258). The same as 

 Spruce's no. 1000. 



Acalypha sidacfolia Muell. Arg. Linnaea, 34 : n. 1865-66. 

 June, of Rivers Beni and Madre de Dios, Aug. 1886 (nos. 1263 

 and 1266) and Yungas, 6000 ft, 1885 (no. 1262 and perhaps no. 

 1276). 



Acalypha capillaris Rusby, Mem. Torr. Club, 4 : 257. Mapiri, 

 5000 ft., Apr- 1886 (no. 1259). 



Acalypha cuspidata Jacq. Hort Schoenb. 2 : 53.//. 24.3. Falls 



