502 



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



SALVADORACEAE 



Azima tetracantha Lam. Encyc. 1: 343. 1783; Bak. in Thiselton-Dyer, Fl. Trop. 

 Afr. 4 l : 22. 1902. 



Chikwawa District: Chikwawa, plentiful in dry brushy forest of elevated river 

 plain, scandent shrub 3-8 m. high, branches thorny, flowers green, 200 ra., Oct. 

 2, 1946, 17892. Extending down eastern Africa from Somaliland to the Cape, and 

 there is a specimen in the Kew Herbarium from the "Lower Congo"; outside 

 Africa it goes through Arabia to India and (if A. sarmentosa Benth. is not ex- 

 cluded) to the Philippines. 



APOCYNACEAE 



Landolphia buchanani (Hall, f.) Stapf in Thiselton-Dyer, Fl. Trop. Afr. 4*: 35. 

 1902. 



Clitandra buchanani Hall. f. Jahrb. Hamb. Wiss. Anstalt 17(3 Beih.): 118. 1899. 



Kota-kota District: Nchisi Mountain, on rocks in Brachystegia woodland, shrub 

 2 m. high, subscandent, tendrillate, sap milky, flower-buds only, fruit hard, glo- 

 bose, about 3.5*4.5 cm. in diameter, 1500 m., July 26, 1946, 26965. Tanganyika 

 Territory, Portuguese East Africa, Nyasaland, and N. and S. Rhodesia. 



L, buchanani, without flowers, is difficult to separate from L. cameronis 

 Stapf, and there is thus a little doubt about this determination. 



Landolphia kirkii Dyer, Kew Report 1880: 39, 42. 1881; Stapf in Thiselton-Dyer, 

 Fk Trop. Afr. 4 l : 55. 1902; Dyer, Hook. Ic. PI. pi 2755. 1903. 

 Kota-kota District: Chia area, plentiful in bushy forest on banks of waterholes, 

 subscandent shrub 3-6 m. high, sap milky, fruits 3-4 cm, in diameter, globose, 

 greenish-grey marked with brown, native name (Chinyanja) mpila, 480 m., Sept. 

 5, 1946, 17535. Kenya and Tanganyika Territory, southward to the Transvaal. 



Carissa bispinosa (L.) Desf. Tabl. Ecole Bot, 78. 1804. 

 Arduinia bispinosa L. Mant. 52. 1767. 



Carissa arduina Lam. Encyc. 1: 555. 1785; Stapf in Thiselton-Dyer, Fl. Trop. Afr. 

 4 l : 91. 1902. 



Zomba District: Zomba Plateau, one example in rain-forest undergrowth, shrub 

 1-2 m. high, sap milky, flowers not seen, fruit unripe, 1450 m., June 3, 1946, 

 16182. Portuguese East Africa, Nyasaland, and S. Rhodesia to South Africa. 



Rauvolfia caffra Sond. Linnaea 23: 77. 1850; Stapf in Thiselton-Dyer, Fl. Trop. 

 Afr. 4 1 : 110. 1902. 



Rauvolfia natalensis Sond. Linnaea 23: 78, 1850; Stapf in Thiselton-Dyer, Fl. Trop, 

 Afr. 4 l : 111. 1902, 



Rauvolfia ochrosioides K. Schum. in Engl. Pflanzenw. Ost-Afr. C: 318. 1895; Stapf 

 in Thiselton-Dyer, Fl. Trop. Afr. 4 1 :. 111. 1902. 



Kota-kota District: Nchisi Mountain, frequent in rain-forest, tree up to about 

 25 m. high and about 50 cm. in diameter at breast-height, sap milky, flowers 

 white, fragrant, 1500 m., Sept. 11, 1946, 17617. Cholo District: Cholo Mountain, 

 frequent in rain-forest, tree up to 25 m. high, sap milky, flowers white (buds only), 

 1200 m., Sept. 24, 1946, 17773. Uganda to South Africa, extending westward into 

 the Belgian Congo. 



Phillips (Jour. S, Afr. Bot* 12: 111. 1946) has shown that R: natalensis Sond. 

 cannot be kept up as a species distinct from R. caffra Sond. One shoot of the 

 Kew duplicate of Brass 17773 shows small leaves and congested inflorescences, 

 suggesting R. ochrosioides K. Schum, but the numberless transitions between 

 this and R. natalensis make me consider it as nothing more than a state, and dis- 

 section of the type-numbers of R. ochrosioides and R. caffra shows no floral dif- 



