Crotonogyne.] cxxii. EUPHORBiACEiE (prain). 821 



1. C. Preussiiy Pax iii Engl. Jahrh, xxiii. 524. Shrub or small 

 tree, 15-25 ft. high, lepidote. Leaves crowded, terminal, short-petioled, 

 membranous, oblanceolate-oblong, acuminate, narrowed to a cordate- 

 auriculate base, 10-20 in. long, 2-5 in. wide ; petiole 2 J lin. long ; 

 stipules ovate-triangular, acuminate, 5 lin. long. Racemes up to 2 ft. 

 long, simple or sparingly strictly branched ; flowers in both sexes 

 occtipying the greater part of the rhachis ; males on short spikelets in 

 glomerules 2-5 lin. apart, females in simple few-flowered glomerules 

 2-5 lin. apart; bracts 2-glandular; male pedicel 2 lin., female pedicel 

 3 lin. long. Male : Calyx globose, closely lepidote, \ lin. wide, 2-3-lobed. 

 Petals 5, free. Stamens 7-8, 5 outer ; extra-staminal glands 5, free. 

 Female: Calyx oblong, closely lepidote, \ in. long; lobes 5, ovate, 

 obtuse, with a gland at each sinus. Petals 5, free. . Disk urceolate. 

 Ovary closely lepidote ; styles 3, each 2-partite. Capsule closely 

 lepidote, 3-coccous, J in. long. Seeds not seen. 



Upper Guinea. Southern Nigeria : Oban, Talbot, 691 ! 694 ! Cameroons : 

 Victoria, near Kimbia, Preuss, 3220! near Amarsi, Winkler, 355! Lorn, 700- 

 1000 ft., Ledermann, 6472 ! 



This species differs from all the others in its cordate anriculate leaf-bases and in 

 its free male petals. It is, theiefoiv, at least sectionally distinct from the remainder 

 of the genus. 



2. C. caterviflora, N. E. Br. exStapf in Journ. Linn. Soc. xxxvii. 

 114. Shrub, 16-18 ft. high, lepidote. Leaves scattered, short-petioled, 

 firm, oblong -lanceolate, shortly acuminate, narrowed to a cuneate or 

 rounded base, 4-7 in. long, 1|-2| in. wide; petiole 5-8 lin. long; 

 stipules ovate-lanceolate, 2-3 lin. long. Racemes 2-6 in. long ; male 

 flowers on short spikelets in glomerules lJ-6 lin. apart, females few, 

 solitary towards the apex of the raceme J-1 in. apart ; bracts almost 

 always eglandular ; male pedicel J-1 lin., female pedicel 5-6 lin. 

 long : occasionally the male spikelets also in sessile clusters on old 

 wood below the leaves. Male: Calyx globose, closely lepidote, 1 lin. 

 wide, usually 3-lobed, Corolla wide-cam panulate ; tube hairy within, 

 not longer than the 5 rounded lobes. Stamens 12-13, 5 outer; extra- 

 staminal glands large, contiguous but free. Female : Calyx oblong, 

 closely lepidote, -i in. long ; lobes 5, triangular, subacute, eglandular. 

 Petals 5, free. Disk urceolate. Ovary closely lepidote ; styles 3, each 

 apparently 2-partite. Capsule closely lepidote, 3-coccous, J in. long. 

 Seeds not seen. — Stapf in Johnston, Liberia ii. 649. 



Upper Guinea. Liberia: Sinoe Basin, Whyte ! Gvi\\\(\ Bassa ; Fishtown, 

 Binklage, 1861 ! 2036 ! 2045 ! 2053 ! Ivory Coast : between Soubira and Yasn, 

 Chevalier, 17783! Malainalasso on the lower Comoe, Chevalier, 17520 ! 



3. C. Zenkeri, Pax in Engl. Jahrh. xxvi. 327. Shrub, 4-18 ft. 

 high, lepidote. Leaves scattered, short-petioled, firm, oblong or obovate- 

 oblong, shortly and acutely acuminate, base acute or often abruptly 

 narrowed to a short pseudo-petiole longer than the petiole proper, 

 8-9 in. long, 3-3 J in. wide; petiole 3-8 lin. long; stipules ovate, 

 acuminate, 2J lin. long. Racemes usually 6-8 in. long, occasionally 



