46 T.xx. EUBiACR^ (hikrn), [Peutas. 



2. P. occidentalis, Benth. et Hook. f. Geti. PI. ii. 54. A small 

 shrub, 3-4 feet high. Pubescence short, subferruginous. Leaves 

 ovate, acute, nearly rounded or narrowed at the base, man}-- (about 

 12-) veined, 1-4 by ^2 in. ; petiole ranging up to ^ in. Cymes rather 

 dense, corymbose, 1-3 in. diameter, mostly sessile. Flowers subsessile. 

 dimorphous, §-J in. long. Calyx ^— J in. long, lobes all subulate. 

 Corolla bearded within the throat; limb § in. diameter. — Vignaldia 

 occidentalis, Hook. f. in Joum. Linn. Soc. vii. 197. 



Vpper Guinea. Cameroons Mountains and Ferando Po, 7000-8500 feet alt., 

 Mann ! 



3. P. camea, Benth. in Bot. Mag. t. 4086 (1844). An erect or 

 decumbent perennial, almost or quite shrubby below, 1-2 feet liigh, 

 shortly and rather harshly puberulous, pallid. Leaves ovate elliptical 

 or lanceolate-oblong, acute or subacute at the apex, narrowed at the 

 base into the short petiole, 1-6 by |-2 in. ; lateral veins numerous 

 (12-18). Cymes densfe or rarely rather lax, 1-3 in. diameter, sessile 

 or pedunculate. Flowers subsessile, pale purple, f-1 in. long, dimor- 

 phic. Calyx ^— J in. long or more. Corolla densely hairy at the 

 throat ; limb ^— ^ in. diameter. — Bot. Reg. xxx. t. 32 (1844). Sipanea 

 carnea, Hort. ex Hook, in Bot. Mag. I.e. Musscenda luteola, Hochst. in 

 Hb. Schimp. Abyss, iii. n. 1917, DC. Prodr. iv. p. 371, syn. sub n. 9 

 (1830), non Del. Ophioi'rhiza lanceolata, Forsk ! Fl. ^gypt.-Arab. 

 p. 42 n. 39 (1775) ; Manettia lanceolata Vahl, Symb. i. 12 (1790) ; 

 Neurocarpcea lanceolata, Br. ! in Salt Abyss. App. (iv.) p. Ixiv. (1814) ; 

 Vignaldia Quartiniana, A. Rich. Fl. Abyss, i. 357 ; P. Quartiniana, 

 Oliv. in Trans. Linn. Soc. Lond. xxix. p. 82, t. 46 (1873) ; Penta- 

 nisia nervosa, P. cymosa, and P. suffmticosa, Klotzsch in Peters Mos- 

 samb. pp. 287-288, i.e. Pentas Klotzschii, Vatke in Oesterr. Bot. 

 Zeitschrift xxv. p. 231 (1875). 



Xtrile laand. Abyssinia, Quartin Dillon, Schimper! Plowden ! Salt, Pearce! Par- 

 Jcyns ! ; rocks at Madi and Ukidi, Speke and Grant ! ; Somali-land, H'ddehrandt ! (var. 

 with decumbent woody branches, small leaves, slender corolla-tubes, limb ^ in. diam.) 



XiOwer Guinea. Angola, Walp. Bepert. vi. p. 57 (1846-7). 



Mozamb. Distr. Kilima-Njaro, liev. C. New! (a poor specimen with flowers 

 1^ in. long, apparently referable to this species); Zanzibar Island, HUdehrandt! 

 1124 (an undershrub, a metre high, with purple flowers, very like some forms of 

 P. purpurea). 



Occurs also in the Comoro Islands, and among the mountains of Arabia. 



4. P. purpurea, Oliv. in Trans. Linn. Soc. Lond. xxix. p. 83 

 (1873). An erect perennial, 1-3 feet high somewhat shrubby at the 

 base with wiry deeply set rootstock. Stem branches and leaves more 

 or less pubescent or somewhat hispid. Leaves lanceolate ovate or 

 narrowly elliptical, acute at the apex, attenuated or sometimes obtuse 

 or rounded subsessile or shortly petiolate at the base ; l-^i ^J i~^2 ^"• 

 Cymes dense subglobose or hemispherical, 1-2 in. diameter mostly 

 sessile. Flowers subsessile, purple or lilac, g-J in. long, dimorphic. 

 Calyx hairy or nearly glabrous, ^ (or in fViiit § or more) in. long. 

 Corolla pilose at the throat; limb l-\ in. diRmeter. Filaments of the 



