Centeina.] cvi. amarantace^ (baker and clarke). 57 



partial inflorescences 2-flowered, red ; sterile flowers subspinescent. 

 Perianth i in. long. Staminodes obovate, lacerate at the top. Ovary 

 acutely ovate, sparsely hairy. — Lopr. in Malpighia, xiv. 442. 



Mozamb. Slst. German East Africa : ATasai Plateau ; Albi Plains, Pos- 

 pischil. British Central Africa : Nyasaland : Nyika Plateau at Nymkowa, 6500 ft., 

 McClounie, 46 ! 



The type of Lopriore has not been seen. — In McClounie, 46, referred here by 

 description ; stems not scabrid ; spikes high-red ; barren flowers rigid, prickly even 

 in young flower. — Tlie colour suggests that liis plant may be a form of Baker's 

 " rubella " = Centema bijlorum, Schinz ; but that has a much softer spike and a 

 scabrid stem. 



5. C. glomerata, Lojyr.in Engl. Jahrh. xxvii. 49, t. IH. Leaves 

 decussate, 1 by ^^^ in., narrowly linear. Inflorescence subglobose, f in. 

 long, ^ in. thick, dense, made up of short-peduncled heads ; flowers 

 yellow-red. Perianth \-\ in. long ; segments acute, hardened at the 

 base, sparsely hairy on the back. Staminodes (between the filaments) 

 obovate, lacerate at the top. Ovary top-shaped, hairy. — Lopr. in 

 Malpighia, xiv. 443. 



]Lower Guinea. Angola : Huilla, Antunes. 



This species is contrasted by Lopriore with C. poli/gonoides (= C. hiflorOf 

 Schinz) ; but it does not appear to have a tubercular scabrid stem. 



14. PSILOTBICHUM, Blume ; Benth. et Hook. f. Gen. PI. iii. 32. 



Flowers perfect, solitary ; bracteoles 2, ovate, much shorter than 

 the flower. Perianth scarcely ^ in. long ; segments 5, elliptic-oblong, 

 muticous, rather thick, glabrous or sometimes minutely hairy. Fila- 

 ments 5, linear, at the base lanceolate, united by an acute sinus 

 into a cup, without staminodes between them ; anther-cells 2, short. 

 Ovary ovoid or subovoid, glabrous or obscurely granular at the top ; 

 style shorter than the ovary ; stigma small, capitate ; ovule 1, sus- 

 pended from a basal funicle. Capsule thin, imperfectly circumscissile ; 

 seed lenticular ; embryo curled. — Herbs or small shrubs. Leaves 

 opposite. 



Species 20, in the warmer parts of the Old World. 

 ♦PsiLOTRiCUUM. Inflorescence in cylindric, short 

 or long, spikes, mostly terminal on the 

 branches, simple or nearly so. 

 Leaves elliptic or ovate. 



Leaves narrowed at the base to a short 

 petiole. 

 Leaves puberulous, scarcely pubescent on 

 both surfaces. 

 Branches woody, closely branching . \. P. africanum. 

 Branches elongate, herbaceous, hairy , 2. P. concinnum. 

 Leaves with short hairs on both surfaces . 3, P. trichophyUiim. 

 Leaves rounded at the base, subsessile . 4, P. Elliottii. 



