68 cxxiTic, MORACE^ (Eendle). [Dorstenia, 



J lin. broad, and a bract-arm at each end, narrowly linear, obtuse, 

 about 2| in. long and | lin. broad. Flowers numerous, very small. 



Mozamb. Distr. German East Africa : Uhehe ; on the Ruaha River, Goetze, 

 429. 



85. D. Walleri, Hemsl in Gard. CJiron. 1893, xiv. 178. A 

 fleshy plant ; stem simple, succulent, with very short hairs, erect 

 from a depressed almost disciform tuber about IJ in. in diam., 8-16 

 in. high, bearing minute reduced leaves at the lower nodes. Leaves 

 aggregated in the upper part of the stem, elliptic, obtuse, with a 

 cuneate unequal base passing into the petiole, margin slightly 

 undulate, scabridulous, 2J-5J in. long, 1-2 in. wide, glabrous ; 

 lateral nerves 6-9 on each side, curving upwards ; petiole of the 

 lower leaves J^f in. long, of the upper ones shorter. Stipules linear- 

 ligulate, 1-3 lin. long, often persistent. Inflorescence solitary ; 

 stalk up to 1-2 in. long ; receptacle stellate, 4-7 -rayed, longest 

 diameter j— 1 in., surface (especially round the female flowers) 

 bearing minute white hairs, margin crenulate, passing at each ray 

 into a bract-arm, which is narrowly triangular below, becoming 

 filiform above, slightly dilated at the tip, |-3 in. long, with scabri- 

 dulous margin. Male flowers 1-3-androus ; female numerous 

 and distributed ; ovary shortly stalked, the stalk lengthening after 

 fertilisation ; style slender, undivided. Endocarp angularly ovoid, 

 about J lin. in diam., brownish, sides verruculose, with a narrow 

 dorsal crest. — D. caulescens, Schweinf. ex Engl, in Engl. Jahrb. xx. 

 144 ; Engl. Monogr. Morac. Afr. 22, t. v. fig. C. ; Durand & Schinz, 

 !fitudes Fl. Congo, 248. D. gourincensis, A. Chev. in Bull. Soc. 

 Bot. France, Iviii. Mem. viii. 207, with vaT.florihuiida. 



Upper Guinea. Province of Gurma, Chevalier, 24335, 24468, 24528. 



Nile Land. Niamniam : Nabambisso River, Schweinfurth, 3775 ! 



Mozamb. Distr. German East Africa : Usagara ; Mpwapwa, Last ! British 

 Central Africa : Nyasaland ; Uvera, Kenyon, 39 ! Shire Highlands, Buchanan, 

 190 ! Manganja Hills, Waller ! Namasi River, Zomba, Cameron, 72 ! 



Var. minor, Rendle. Smaller slender-stemmed plants 4-6 in. high with 

 elliptic to narrowly ovate leaves, generally about 2 in. long, and smaller 

 inflorescences 2-5 lin. in diam. — D. unyikce, Engl. & Warb. in Engl. Jahrb. 

 XXX. 291 ; R. E. Fries, Arkiv. f. Bot. xiii., no. 1, 17, t. 1, fig. 4, and in Wiss. 

 Ergebn. Schwed. Rhodes. -Kongo-Exped. 1911-12, i. 13 (under D. Walleri). 



North Central. French Congo : River Bamingui, Chevalier, 1991 ! Trena, 

 on the River Gribingui, Chevalier, 1959 ! 



Mozamb. Distr. German East Africa : Unyika, near Piseki, 4600 ft., 

 Goetze, 1422. Portuguese East Africa : near Lake Nyasa, Johnson, 495 ! 

 Rhodesia : Kalambo, Fries, 1333. 



I have not seen specimens of D. gourmcp.nsis, Chev., but except for the slightly 

 smaller receptacle the description agrees with that of D. Walleri. 



86. D. cuspidata, Hochst. in Flora, 1844, 103 (naine oyily) ; A. 

 Rich. Tent. Fl. Abyss, ii. 272. Rhizome with thick tubercle-like 

 joints from which the aerial stems spring. Stems herbaceous, erect. 



