436 MR. G. F. SCOTT ELLIOT ON THR GENUS PENTAS. 
brevibus (ad5 mm.), stipularum setis acutis villosis 5-]0 mm. ; 
bracteis linearibus, floribus numerosis subsessilibus umbellam 
simulantibus ; calycis lobis tubum corolle equantibus, 6-7 mm., 
tubo campanulato dense hirsuto fere 3 mm. lat. ; corolla lobis 
fere 6-7 mm. long., 2 mm. lat., externe hirsutis, tubo ad faucem 
minute ampliato. ; 
Masai Highlands. Shady place, Nandi Hills, Scott Hlliot, 
6954! Leikipia plateau (?), Thomson ! 
Flowers in December, about 6-8,000 feet altitude. 
17. Pentas purpurea, Oliver, in Trans. Linn. Soc., vol. xxix. 
(1873) p. 83. . 
—Var. a. TyPIcA; trimorphica, corolle tubo 8 mm., lobis 
2 mm., antheris vix 2 mm. ; 
Zanzibar, dry herbaceous meadows, Hildebrandt, 1128! 
Speke, 15! Kirk, 81! 
Pemba, Kirk! ; 
East Coast. Usui, Speke, 140! Marangu, Volkens, 418 ! Ribe, 
Wakefield ! 
Flowers (purple or lilac) June? or September? It is very 
possible that the Zanzibar Island form (P. zanzibarica, Vatke) 
is scarcely the same as the East Coast specimens. . ; 
—Var. b. Bucuanant; corolle tubo 8 mm., dense hirsuto, lobis 
3 mm., floribus congestis dimorphicis. . 
Shiré Highlands. Mbame villages, Manganja, Kirk! Sotchi, 
Kirk! Blantyre, Buchanan, 14! 456! 1057! 
Flowers March, at 3-4,000 feet. 
—Var.c. ? 
Kilmanjaro, Johnston! C. E. Smith! At about 5,000 feet 
altitude. Also Welwitsch, 5315 ! 
18. P. ARVENSIS, Hiern, in Oliver, Fl. Trop. Afr., vol. iii. p. 47. 
Nileland. On cultivation, Derargo Mittu, Schweinfurth, 
2775! 
Flowers (white, violet throat) January. 
Var. VIOLACEA, Hiern, MSS. 
Rocky slopes 2,400-3,800 feet. Pungo Andongo., Welwitsch, 
5309, 5310, 5311! 
19. P. parvirtora, Benth. in Bot. Mag., sub. t. 4086. 
West Coast. Accra [Niger], Vogel! In Herb. Kew. Flowers 
blue. 
