1954] 



PLANTS COLLECTED IN NYASALAND 



75 



Cholo District: Cholo Mountain, plentiful in second-growth rain-forest, tree 

 up to about 25 m. high, fruit immature, diameter at breast-height up to about 40 

 cm., 1200 m., Sept. 22, 1946, 27736. Kenya ? and Tanganyika Territory, south- 

 wards to Natal, Zululand, and Pondoland. 



M. usambarica is not specifically distinct from the South African M. capensis, 



Tragia okanyua Pax, Bull. Herb. Boiss. 6: 735. 1898; Prain in Thiselton-Dyer, 

 Fl. Trop. Afr. 6 1 : 986. 1913; Pax & K. Hoffm. Pflanzenreich 68(4 14rfr ""^: 

 78. 1919. 



Chikwawa District: Lower Mwanza River, occasional in dry brushy forest, 

 vine 2-4 m. high, with stinging hairs, flowers green, 180 m., Oct. 4, 1946, 17949, 

 Portuguese East Africa, Nyasaland, N.? and S. Rhodesia, Angola, Bechuanaland, 

 Southwest Africa, and The Transvaal. 



Tragiella natalensis (Sond.) Pax & K. Hoffm. Pflanzenreich 68 (4 147( *- 11 >): 105. 

 1919. 



Tragia natalensis Sond. Linnaea 23: 107. 1850; Prain in Thiselton-Dyer, Fl. Trop. 

 Afr. 974. 1913. 



Cholo District: Cholo Mountain, in rain-forest undergrowth, twining vine 3 m. 

 high, furnished with stinging hairs, flowers green, 1200 m., Sept. 22, 1946, 17732. 

 Eastern Africa from the Anglo-Egyptian Sudan southwards to South Africa, but 

 apparently not previously recorded from Nyasaland. 



Maprounea africana Muell. Arg. in DC. Prodr. 15 2 : 1191. 1866; Pax, Pflanzen- 

 reich 52 2 (4 147 ^): 178. 1912: Prain in Thiselton-Dyer, Fl. Trop. Afr. 6 1 : 

 1004. 1913. 



Kota-kota District: Chia area, brushy growths on banks of a waterhole on dry 

 lake-plain, tree 7 m. high, deciduous, bark pale brown, corky, now in young leaf, 

 flowers reddish, Sept. 5, 1946, 17536, Widespread in the savannah regions of 

 central and southern tropical Africa, extending north to the Cameroons and Ubangi- 

 Shari, and southwards to N. and S. Rhodesia and Angola, but apparently previ- 

 ously unrecorded for Nyasaland. 



Numerous varieties have been recognised, but at present I think it better to 

 consider the species in a wide sense. 



Sapium ellipticum (Hochst.) Pax, Pflanzenreich 5 2 2 ( 4 147(5) ): 253. 1912. 

 Sclerocroton ellipticus Hochst. Flora 28: 85. 1845. 



Sapium ,.iannianum (iMuell. Arg.) Hiern, Cat. Afr. PI. Welw. 1: 986. 1900; Prain in 



Thiselton-Dyer, Fl. Trop. Afr. 6 1 : 1016. 1913. 

 Excaecaria manniana Muell. Arg. Flora 47: 433. 1864. 



Cholo District: Cholo Mountain, frequent in rain-forest borders, tree 8-10 m. 

 high, sap milky, flowers yellow-green, 1200 m., Sept. 21, 1946, 17704. Widespread 

 in tropical Africa; also occurring in Natal. 



ULMACEAE 



Celtis africana Burm. f. Prodr. Fl. Cap. 31. 1768. 



Celtis kraussiana Bernh. Flora 28: 87. 1844; Rendle in Prain, Fl. Trop. Afr. 6 2 : 3. 

 1916; Hauman, Fl. Congo Beige 1: 43. 1948. 



Cholo District: Cholo Mountain, in primary rain- forest, tree 25 m. high, flow- 

 ers brownish-white, fruit immature, 1200 m., Sept. 22, 1946, 17744, Eastern Africa 

 from the AngJo-Egyptian Sudan southwards to South Africa, westwards to the 

 Cameroons and Angola; also in Arabia. 



I am most grateful to Mr. B. De Winter, to whose notice it had been brought 

 by Miss I. C. Verdoorn, for drawing my attention to this important and unfortu- 



