462 



MEMOIRS OF THE NEW YORK BOTANICAL GARDEN [\ol. 8, No. 5 



parently white, 1100 m., Aug. 28, 1946, 17452. Tanganyika Territory and 

 Nyasaland. 



Vernonia thomsoniana Oliv. & Hiern ex Oliv. Trans. Linn. Soc. 29: 91 (1873) 

 var. livingstoniana (Oliv. & Hiern) Pichi-Sermolli, Webbia 7: 340. 1950. 



Vernonia livingstoniana Oliv. & Hiern in Oliv. Fl. Trop. Afr. 3: 295. 1877. 



Kota-kota District: Nchisi, occasional in gullies in Brachystegia woodland, 

 shrub 2-2.5 m. high, stems several, erect, leaves somewhat bitter, in repute as 

 a febrifuge, flowers pale purple, native name (Chinyanja) fusa, 1350 m., Aug. 1, 

 1946, 17077. Nchisi Mountain, common on old garden land, about 2 m. high, flow- 

 ers pale purple, 1350 m., Sept. 9, 1946, 17612. Cholo District: Cholo Mountain, 

 on grassy edge of rain-forest, erect shrub, sparingly branched, flowers white, 

 1200 m., Sept. 22, 1946, 17734. Anglo-Egyptian Sudan to S. Rhodesia and Por- 

 tuguese East Africa. 



I agree with Prof. Dr. Pichi-Sermolli that the differences between Vernonia 

 livingstoniana and V. thomsoniana are not specific, and I therefore unite them. 



Vernonia ampla 0„ Hoffm. Bot. Jahrb. 30: 423. 1901, e descr. 



Vernonia podocoma sensu Schultz-Bip. ex Oliv. & Hiern in Oliv. Fl. Trop. Afr. 3: 296. 

 1877; non Schultz-Bip. ex Vatke, Linnaea 39: 476. 1875. Vide Pichi-Sermolli, 

 Webbia 7: 342-345. 1950. 

 Vernonia oliveriana Pichi-Sermolli, Webbia 7: 345. 1950. 



Cholo District: Cholo Mountain, abundant in rain-forest regrowths, shrub 2-4 

 m. high, flowers purple, conspicuous, native name (Chinyanja) fusa, 1200 m., 

 Sept. 25, 1946, 17805. Abyssinia to the Transvaal and Zululand. 



I am inclined to agree with Prof. Dr. Pichi-Sermolli that Vernonia podocoma 

 Schultz-Bip. ex Oliv. & Hiern must be considered a later homonym. I do not, 

 however, feel that it was necessary to create the new name Vernonia oliveriana, 

 as there were already names in existence which in my opinion belong to the same 

 species. The earliest of these is Vernonia ampla, which I therefore adopt. I have 

 not seen the type, which is now presumably destroyed, but the description is so 

 clear that I feel that there is no doubt about the plant intended. 



Ageratinastrum polyphyllum (Bak.) Mattf. Notizbl. Bot. Gar. Berlin 11: 412. 1932. 

 Ageratum polyphyllum Bak. Kew Bull. 1898: 148. 1898. 



North Nyasa District: Nyika Plateau, Nchena-chena Spur, plentiful in open 

 grasslands, perennial herb 40-50 cm. high, flowers rose-purple, 2000 m., Aug. 

 20, 1946, 17345. Tanganyika Territory and Nyasaland. 



Elephantopus scaber L. Sp. PI. 814 (1753) subsp. plurisetus (0„ Hoffm.) Philip- 

 son, Jour. Bot. 76: 303. 1938. 



Elephantopus scaber L. var. plurisetus O. Hoffm. Bot. Jahrb. 30: 426. 1901. 



Zomba District: Zomba Plateau, frequent in Brachystegia woodlands, peren- 

 nial herb 70 cm. high, flowers not seen, 1430 m., May 30, 1946, 16086. The spe- 

 cies in Old World tropics, the subspecies (including some varieties) in E. Africa 

 from Uganda to Portuguese East Africa and Angola. 



Adenostemma caffrum DC. Prodr. 5: 112 (1836) 35 var. asperum Brenan, var. nov. 



Caules plus minusve pubescentes necnon praesertim inferne pilis conicis 

 rigidis plus minusve densis asperi; folia lanceolata vel ovato-lanceolata, brevius 

 et obtusius serrata, utrinque.aspera vel asperrima. 



Kota-kota District: Nchisi Mountain, marshy ground in Brachystegia woodland, 

 herb, stem reddish, flowers white, 1400 m., July 27, 1946, 16979 (typus varieta- 



*' Adenostemma viscosum sensu Oliv. & Hiern in Oliv. Fl. Trop. Afr. 3: 299. 1877, 

 pro parte; non Forst. 



