Pentas.'] lxx. rubiace^ (iiiehn). 47 



exserted anthers slender, of the included anthers obsolete. — Fentonisia 

 zanzibarica, Klotzsch in Peters Mossamb. p. 28G ; Pentas zanziharica 

 Vatke in Oesterr. Bot. Zeitschr, xxv. p. 232 (1875) ; VignahUa, sp. 2' 

 T. Thorns, in Speke, Journ., App. p. 636. 



wile Z.and. Usui, ° 41' S. Lat , alt. 4000 feet, Speke and Grant! 



Mozamb. Dl8tr. Zanzibar Island, Veters ! Speke and Grant! ; HildehranJt ! 

 (flowers lilac) ; Mombas, Kirk! Bojer ! ; Pemba Island, Bojer ! ; Manganja Hills, near 

 Mbame villages and near Soche Hill, alt. 3000 feet, Kirk! 



There appears to be a continuity between this and the previous species. 



Var. grandiflora {Vignaldia Quartiniana, var. grandiflora, ^chvre'\n{. Bcitr. FI. 

 JEthiop. p. 140 (1867). Corolla-tube Ji in. long, segments |-^ by f in. ; calyx ? in. 

 long ; pedicels ^^ in, long. ° 



Wile Iiand. Abyssinia, hills near Bellaka, at 7000 feet alt., Schimper. 



5. P. arvensls, Hiern. An erect rigid perennial, woody at the 

 crown of the root, abont 2 feet high, pubenilous. Leaves elliptic- 

 lanceolate, obtnse, narrowed to a subsessile base, 1-4 by ^-1 in. ; 

 lateral veins 6-8 on each side. Cymes 1-3 in. diameter ; primary 

 branches longer than in most species. Flowers ^ in. long, snbsessile. 

 Calyx about J in. long. Corolla white ; throat violet, hairy within, 

 about ^ in. diameter. Anthers (in our specimens) included. 



Wile Xand. Mittu-Land, near Derago, in fields, Sckweinfurth! 



6. P. parvlflora, Benth. in Bot. Mag. suh. t. 4086. A winding 

 shrubby perennial, somewhat shining. Leaves narrowly elliptical, 

 acute at both ends, puberulous on the veins beneath ; 2-3 by ^1 in. ; 

 petiole ^-J in. Cymes dense ^-1 in. diameter, pedunculate. Flowers 

 J in. long, subsessile, bluish. Calyx about ^ in. long. Corolla hairy 

 at the throat ; limb about ^ in. diameter. .Others (in our specimens) 

 included. 



Upper Guinea. Niger, Accra, 7%. Vogel! 



10. VIRECTA, Afzel. ; Benth. et Hook. f. Gen. PI. ii. p. 55. 



Calyx hispid ; tube campannlatg or at length subglobose ; lobes 

 6-4, unequal, persistent. Corolla- tube slender below, narrowly 

 funnel-shaped above, exceeding the calyx ; lobes 5-4, spreading ; 

 throat glabrous. Stamens 4-7, inserted on the throat of the corolla ; 

 filaments slender ; anthers linear, exserted more or less. Disk con- 

 sisting of 2 elongated conical glands or of 1 truncated cone. 

 Ovary 2-celled ; style filiform, more or less exserted ; stigma sub- 

 capitate or bifid; ovules numerous. Capsule globose, loculicidally 

 bivalved, one valve deciduous, the other persistent. — More or less 

 hairy herbs with terete branches, opposite shortly petiolate leaves and 

 tender often dimorphic fasciculate densely cymose flowers. 



A genus peculiar to this Flora. 

 Disk consisting of two narrow cones. Flowers unilateral on 



the branches of the cymes. Stipules two together . . \. V. inuUiJlvra. 

 Disk consisting of one truncated cone. Flowers fascicled. 

 Stipules solitary. 

 Stipules entire, without setaceous teeth. 



Leaves ovate. Flowers pentamerous 2. V. procu)nl>ens. 



