14 cxxiii. ULMACE.E (Rendle). [Chcetacme. 



konigl. Bot. Gart. Berlin, iii. 24. Bosqveia spinosa, Engl, in Engl. 

 Jahrb. xl. 548andli. 439. 



Upper Guinea. Gold Coast : Kwase, Chipp, 575 ! Cameroons • Yaunde, 

 2500 ft., Zenker, 551 ! Zenker d: Staudt, 430 ! Sanaga, Zenker, 1450 ! 



Nile Land. Niamniam, Schweinfurth, 2828 ! Uganda : Entebbe, Bagshawe, 

 747 ! British East Africa : Mynyu, Elliott, 347 ! 



lower Guinea. Annobon Island, Mildbraed, 6527 ! 6750 ! Angola : 

 Cazengo ; Granja de S. Luiz, OossweiUr, 4701 ! 4763 ! 5156 ! 5161 ! Am- 

 baca ; by streams near Cabinda, Welwitsch, ^14: ! Pungo Andongo ; Cabondo 

 and near Luxillo, Welwitsch, 473 ! Bumbo ; Chella Mountains at about 3000 ft., 

 Welwitsch, 472 ! 



South Central. Belgian Congo : bank of the Lualaba near Nyangwe, Pogge, 

 692 ! 



Mozamb. Distr. Kilimanjaro : Majame, 3300 ft., Volkens, 2042 ! German 

 East Africa : West Ukerewe, Uhlig, V. 73. 



(?) Var. longifotia, Engl, ex De Wild. & Durand, Reliq. Dewevr. 214 (sub 

 C. aristata. Planch,). " Leaves longer, oblique oblong-lanceolate." — ^Th. & Hel. 

 Durand, Syll. Fl. Congol. 501. 



South Central. Belgian Congo : near Nyangwe, Dewdvre, 903 ! 965 ! 



Distinguished from the South African C. aristata, Planch., by the much smaller 

 somewhat ellipsoidal fruit. That of C. aristata is depressed-globose and |-| in. 

 in diameter. 



2. C. serrata, Engl. Notizhl. hmigl Bot. Gart. Berlin, iii. 24. A 

 shrub, sometimes becoming arborescent ; branchlets flexuous, 

 spinose as in the previous species, hirtellous when young, ultimately 

 glabrous, somewhat densely leaved. Leaves very shortly petioled, 

 coriaceous, oblong -elliptic, mucronulate, margin acutely serrate, 

 pale green and shining above, 2-3 in. long, J-1 J in. wide ; lateral 

 nerves several, thin, prominulous beneath as are the reticulate 

 veins ; petiole densely hairy. 



Lower Guinea. Annobon Island, Mildbraed, 6559 ! 



Mozamb. Distr. Grcrman East Africa : Usambara, on dry hills, Hoist, 505 ! 



Also in South Africa. 



Described from barren leaf-shoots. 



Order CXXIIIa. BARBEYACEiE. 



(By A. B. Rendle.) 



Flowers dioecious, regular, apetalous. Male flower : Perianth 

 deeply 3-4-fid ; segments valvate, calycine. Stamens 6 to 9 ; fila- 

 ments very short ; anthers erect in bud, oblong-linear, 2-celled, cells 

 parallel, dehiscing longitudinally, connective apiculate ; pollen-grains 

 round, smooth ; no rudiment of an ovary present. Female flower : 



