18 CONTRIBUTION TO THE FLORA OF GAZALANLD. 
The following clavis shows the position of this plant with its nearest 
allies :— 
A. Flowers subsessile. 
* Petals 11 mm. long. Sepals 6-5 mm. long. 
U. virens, №. E. Вт. Delagoa Вау. 
** Petals 10-15 mm. long. Sepals 10 mm. long. 
U. angolensis, Welw. Angola. 
B. Flowers distinctly pedicellate. 
* Petals 10-12 mm. long. Sepals 6 mm. long. 
U. Chame, Beauv., var. macrocarpa, Engler & Diels. Guinea, 
lameroons, Senegambia. 
** Petals 10 mm. long. Sepals 8 mm. long. 
U. nyassensis, Engler & Diels. Nyasaland. 
*** Petals 14 mm. long. Sepals 8 mm. long. 
U. gazensis, Swynnerton. Gazaland. 
Mr. Sim (Forest Flora of Port. East Africa, p. 8) records U. cafra, 
E. Mey., as occurring in the forests at Arenga, Bajon, and Nhamecurre, and 
U. acuminata, Oliver, from the Rovuma River. 
ANONA SENEGALENSIS, Pers. Syn. 11. 95. 
Near Chirinda, 3500 ft.; n. 191. Amanzimhlope, Lower Buzi, 100 ft. ; 
in fr. Dec. ; n. 1331. Chibabava, Lower Buzi, 400 ft.; in fl. Dec. ; n. 1332. 
Chindao, * Muyembe ” ; Singuni, * Umpovana " or * Impovana.” 
Var. CUNEATA, Oliver, Fl. Trop. Afr. i. 16. 
Madanda Forest at about 400 ft. ; n. 1330. Сараха, 400 ft. ; n. 1333. 
This is a form with shorter leaves than Welwitsch, n. 145, the type of this 
variety. 
Distrib. (type) Widely spread ; (variety) Angola, Kunene Region. 
PorowrA opovata, Engler & Diels in Engler Monogr. Afr. Pfl. vi. 44. 
Inyamakinga River, Chikore, 3000 ft. ; in fl. Apr. ; n. 187. Muchuk wana, 
Lower Buzi, 400 ft.; n. 1329. А large shrub with slender trailing twigs 
common at Boka, at Chibabava, and elsewhere along the Lower Buzi Hiver. 
Distrib. Great Lake Region, Nyasaland, Zambesi, Kunene. 
P. FERRUGINEA, Engler Ẹ Diels, l. с. 46. 
Madanda Forest at about 400 ft., in fl. Dec. ; n. 1327. A woody trailing 
shrub, switches from which were used in the time of the chief Gungunyana 
to punish refractory girls. Hence the Singuni name “ Mutoshay’ intombi ” 
(girl beater). 
> 
Distrib. Lake Region, Usambara, Nyasaland, Angola. 
