586 cxxii. EUPiiORBiACE.'K (biiovvn). [Euphorhia. 



Pax in Engl. Jahrb. xxxiv. 74. E. llassei, Pax in Engl. Jahrb. xxxiii. 

 ii86 and xxxiv. 73 ; Berger, 8ukk. Euphorb. 58. 



Mozaxnb. Distr. Zanzibar, Werth ! Sacleiix, H^Gl German Kn8t Afiic:i: 

 Us-nnbara; near Magila, I'olkens, 51 ! ])lains soutli of Kilimaiijarn, Sacleux, 1310! 

 hIso on tbe stej)pe region iind mountains of Usambaia and Pare, ex Volkens, ami 

 witliout precise locality, Busse, 317 ! 



The type specimens of E. Nyikce, E. Neovolkensii, and E. Bussei are specifically 

 identical; each consists of a veiy sliort terminal piece of a brancli, 3-«ingtdiii 

 E. Bussei, flat and 2-winged at tlie base and 4-winged at tbe apex in E. JSyikcr, 

 4-\vinged tlirougbout in E. Neovolkensii, and tbe wings very tbin in all. Tbe plant 

 quot.d and flgu.ed by Wertb (Veget. Ins. Sansib. 31, '32, .50, &c., fig. 3) as 

 E. Nyik^ is prol)ably E. angidaris, Klotzscb. 'I bat quoted as E. Nyikre by Pax in 

 Ann. Istit. IJot. Koma, vi. 1S6, from Somililand, is probably a distinct species; I liave 

 not seen it. 



163. E. mbaluensis, Pax in Engl. Jahrb. xxxiv. 85. A leafless 

 spiny succulent shrub or tree. Branches constricted into segments, 

 3-angled, with a small solid central part; angles ■^ing-like, 1-1^ in. 

 broad, rather thick, crisped-toothed, with continuous horny g»ey mar- 

 gins. Spines 2-3 lin. long, \ lin. thick at the base, in pairs, with a 

 pair of minute prickles ari their base, having the withered remains of the 

 minute crest-like leaf between them. Involucres densely crowded along 

 the angles at the apex of the branches, shortly pedunculate, 2\ lin. in 

 diam., with transv^eisely ovate (? oblong or elliptic) glands and broad 

 scale-like bracts. 



Mozamb. Ststr. (ierniati East Afiita: Paugani (Uuguru) ; louer >>loi)es of 

 Mbalu Mountain, Enrjler, l-i72c. 



Of tbis I bave not seen a spcciujen. 



164. E. kamerunica, Pax in Kvgl. JaJirh. xxxiv. 75. A tree up 

 to 20 ft. high, liianchts succulent, spiny, probably leafless, 3 in. or 

 more in diam., 3-5- (usually 4) angled, with a solid central part i-J in. 

 thick, glabrous, bright green; angles wing-like, sinuate- toothed. 

 Leaves rudimentary, scale-like. Spines 1-2 lin. long, stout, in pairs 

 §-l in. apart, diverging, usually with a pair of minute prickles near 

 their base, dark brown, on horny ovate dark brown shields about \ in. 

 long, obtusely pointed below the spines. Flowering-eyes 2-3 lin. above 

 the base of the spines, shortly separated from the shields. Involucres 

 5-7 together in a dense cluster, on peduncles (branches of subse^-sile 

 cymes) l-lj lin. long, bowl-shaped, about ^ in. in diam, glabrous, with 

 5 glands and 5 br<)adly cuneate long-fringed lobes; glands subcon- 

 tiguous, ]^ lin. in their greater diam., reniform or half-circular, entire. 

 Ovary included, shortly pedicellate, glabrous, with a calyx at its bjise 

 cut into about 7-9 linear or filiform segments \-\\ lin. long, mostly as 

 long as or longer than the ovary ; styles 1^ lin. long, free to the base, 

 widely recurved-spieading, rather slender, subcapitate at the apex. 



Upper Guinea. Cameroons : Harombi, Pretiss, 51 1 ! 

 Dcsci ibcd from tbe type, in tbe Berlin Herbarium. 



165. E. kibwezensisy X. E. Br. A tree 20-30 ft. high, leafless, 

 spiny, succulent. Flowering branches 2J,-4J in. in diam., with 3-[ 



