4«(; cii. LABiAT.*: (nAKEii). [Leucas. 



very oblique throat, in flower longer tlian the bracts, finally nearly 1 in. 

 long ; lower teeth subdeltoid ; upper linear. Corolla white, slightly 

 longer than the CJilyx, densely villous. 



XHKozamb. I>lst. Portui^uese East AlViia : uiaiuliiiid opposite the Island of 

 Mozainbicjue, Peters ; Lower Zamliesi ; Tete, Peters ; Kios de Sena, Peters! 



48. L. oligocephala, Hook. f. in Joitrn. Linn. Soc. vii. 218. A 

 perennial herb, with slender hairy stems 2-4 ft. long. Leaves small, 

 sessile, firm, oblong, crenate, densely hairy. Whorls 1-2, many- 

 flowered ; bracts linear, densely filiate, half as long as the calyx. Calyx 

 densely hairy, \-\ in. long ; lower lip much produced ; lower teeth 

 deltoid-cuspidate ; upper small, lanceolate. Corolla lips small. — Engl. 

 Hochgebirgsti. Trop. Afr. 870 ; Dew^vre in Comptes-rendus Soc. Bot. 

 Belg. xxxiii. 105 ; Britten in Gregory. Great Rift Valley, 896. 



irile Ziand. British East Africa: Taita ; Ndi Mouutaii), Gregory. 



Upper Guinea. Cameroons : Cameroon Mountain, 7000-8000 ft., Mann, 

 1220! 1987! 



BCozamb. Dlst. German East Africa : Usambarii ; Kwa Mshuza, Hoist, 

 9080 ! British Central Africa : Nyasaland ; Blantyre, Descamps. 



49. Ij. calostachys, Olw. in Trans. Linn. Soc. xxix. 189, t. 88. 

 A perennial, with densely hairy stems, woody towards the base. Leaves 

 nearly sessile, oblong, lJ-2 in. long, crenate in the upper half, thinly 

 hairy above, densely and softly hairy beneath. Whorls m.any, many- 

 flowered, approximate, 1 in. diam., their leaves much reduced ; bracts 

 setaceous, half as long as the calyx. Calyx hairy, J in. long ; throat 

 oblique ; lower side produced ; teeth deltoid. Corolla half as long again 

 as the calyx ; upper lip densely villous. 



irile Ziand. British East Africa: Madi ; Gani downs, Speke Sf Grant! 

 XVXozamb. Blst. German East Africa : Karagwe ; near streams, Speke Sf 

 Grant ! 



Ziower Guinea. Angola : Malange, Mechow, 348, fide Briquet. 



50. Li. leucotricha. Baker. A perennial herb. Stems densely 

 clothed with short soft white hairs. Leaves subsessile, ovate, crenate, 

 thin, softly pubescent, especially beneath, the lower 8 in. long. Whorls 

 many, distant, very dense ; bracts ovate, acute, half as long as the 

 calyx. Calyx very hairy, | in. long ; throat oblique ; lower side pro- 

 duced ; teeth small, deltoid. Upper lip of corolla very hairy, | in. 

 long. 



wile Ziand. British East Africa : Taita ; Mwatate, 2000 fr., Johnston ! 

 Maungu Mountain, 2000 ft., Johnston ! 



5L L. grandis, Vatke in Linnoea. xliii. 9(1. An erect perennial 

 herb, with densely hairy stems. Leaves sessile or subsessile, ovate, 

 1-1|^ in. long, strongly crenate. Whorls globose, many-flowered, 

 approximate; bracts large, linear, hairy. Calyx 1 0-rib bed, finally |^ in. 

 long ; throat oblique ; lower lip produced ; upper teeth very short ; 



