Pentas. | LXX. RUBIACER (HIERN). 47 
exserted anthers slender, of the included anthers obsolete.—Pentanisia 
zanzibarica, Klotzsch in Peters Mossamb. p. 286; Pentas zanzibarica, 
Vatke in Oesterr. Bot. Zeitschr, xxv. p. 232 (1875) ; Vignaldia, sp. 2, 
T. Thoms. in Speke, Journ., App. p. 636. 
Nile Land. Usui, ° 41'S. Lat, alt. 4000 feet, Speke and Grant! 
Mozamb. Distr. Zanzibar Island, Peters! Speke and Grant! ; Hildebrandt! 
(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, Schweinf. Beitr. FI. 
Ethiop. p. 140 (1867). Corolla-tube 1} in. long, segments 2-3 by } in.; calyx 3 in. 
long ; pedicels 2-2 in. long. 
Nile Land. Abyssinia, hills near Bellaka, at 7000 feet alt., Schimper. 
5. P. arvensis, Hiern. An erect rigid perennial, woody at the 
crown of the root, about 2 feet high, puberulous. Leaves elliptic- 
lanceolate, obtuse, narrowed to a subsessile base, 14 by }-1 in.; 
lateral veins 6-8 on each side. Cymes 1-3 in. diameter; primary 
branches longer than in most species. Flowers 4 in. long, subsessile. 
Calyx about 1 in. long. Corolla white; throat violet, hairy within, 
about 2 in. diameter. Anthers (in our specimens) included. 
Wile Land. Mittu-Land, near Derago, in fields, Schweinfurth! 
6. P. parviflora, Benth. in Bot. Mag. sub. t. 4086. A winding 
shrubby perennial, somewhat shining. Leaves narrowly elliptical, 
acute at both ends, puberulous on the veins beneath; 2-3 by 4-1 in.; 
tiole 4 in. Cymes dense 4-1 in. diameter, pedunculate. Flowers 
m. long, subsessile, bluish. Calyx about 4 in. long. Corolla hairy 
at the throat ; limb about 3 in. diameter. Anthers (in our specimens) 
Included. 
Upper Guinea. Niger, Accra, Th. Vogel! 
10. VIRECTA, Afzel. ; Benth. et Hook. f. Gen. Pl. ii. p. 55. 
Calyx hispid; tnbe campanulate or at length subglobose ; lobes 
» ‘Unequal, persistent. Corolla-tube slender below, narrowly 
h nel-shaped above, exceeding the calyx; lobes 5—4, spreading ; 
roat glabrous. Stamens 4-7, inserted on the throat of the corolla; 
eats slender ; anthers linear, exserted more or less. Disk con- 
sting of 2 elongated conical glands or of 1 truncated cone. 
echt 2-celled ; style filiform, more or less exserted; stigma sub- 
irae or bifid; ovules numerous. Capsule globose, loculicidally 
valved, one valve deciduous, the other persistent.—More or less 
ary herbs with terete branches, opposite shortly petiolate leaves and 
nder often dimorphic fasciculate densely cymose flowers. 
pigeBes Peculiar to this Flora. 
hee of two narrow cones. Flowers unilateral on 3 
ba 6 © branches of the cymes. Stipules two together. . 1. V. multifiora, 
ate of one truncated cone. Flowers fascicled. 
ae Upules solitary, 
= ea entire, without setaceous teeth. 
Ves ovate, Flowers pentamerous . 2. V, procumbens, 
