442 cii. LABiATiE (baker). [Culeus. 



65. C. leucophyllus, Baker in Keio Bulletin, 1895, 292. Stem 

 perennial, long, erect, clothed with white tomentum. Leaves shortly 

 petioled, oblong, subacute, cuneate at the base, the lower 3-4 in. long, 

 crenate, clothed thinly with white tomentum on the face, densely 

 beneath. Cymes many-fiowered, distinctly peduncled, forming a 

 panicle 1 ft. long ; pedicels short, pubescent ; bracts minute, deciduous. 

 Calyx pubescent, \ in. long ; tube campanulate ; teeth ovate, acute, the 

 upper one largest. Corolla 12-15 lin. long; tubedecurved and dilated 

 in the upper half ; upper lip small, erect ; lower much larger, concave. 

 Stamens reaching the tip of the lower lip. 



Koxamb. X>l8t. British Central Africa : near Lake Moeru, Carson, 26 uf 

 1894 collection ! 



66. C. membranacenSy Briquet in Engl. Jahrh. xix. 182. A 

 slender herb, with pubescent branches. Leaves with a winged petiole, 

 ovate-oblong, 4-5* in. long, acuminate, narrowed to the decurrent base, 

 regularly crenate, very thin, green on both surfaces, pubescent only on 

 the main veins. Inflorescence racemose, J ft. long ; whorls distant ; 

 peduncles of the lower J-J in. long; pedicels y^-\ in. long; bracts 

 deciduous. Calyx in flower J lin. long ; upper tooth ovate, all the others 

 acuminate. Corolla protruding J-J in. from the throat of the calyx ; 

 upper lip small ; lower J in. long. Stamens not exserted. 



lower Guinea. Angola : Cissacala (? Sacalla) on the River Kuango, Mechow, 

 554. 



67. C. mechowianus. Briquet in Engl. Jahrh. xix. 183. A tall 

 herb, with green or reddish branches, clothed with deciduous jointed 

 hairs. Leaves petioled, broadly ovate, 1 J in. long, obtuse, truncate at 

 the base, dentate, dotted with black glands, green and glabrous on both 

 surfaces except on the main veins. Inflorescence racemose, 2-3 in. 

 long; peduncles of the lower whorls J in. long; pedicels \ in. long; 

 bracts deciduous. Flower-calyx very small ; upper tooth ovate-lanceo- 

 late, lower teeth deltoid. Corolla blue, protruding J-J in. from the 

 throat of the calyx ; upper lip minutely 3-lobed ; lower i in. long. 

 Stamens usually included. 



Ibower Guinea. Angola : Puugo Andongo, Mechow, 123. 



68. C. eetveldeanus, Briquet in Bull, Soc. Bot. Belg. xxxvii. 73. 

 A tall herb, with pubescent branches. Leaves with a long winged 

 petiole, ovate-deltoid, 1 in. long, acute, closely crenate, truncate at the 

 base, dark green with scattered hairs above, grey-green and densely 

 glandular-pubescent beneath. Panicle 6-8^ in. , long; axis of cymes 

 above 1 in. long ; pedicels yV-J in. long ; bracts small deciduous. 

 Calyx finally J in. long, glabrescent, with black sessile glands ; upper 

 tooth broadly ovate, as long as the tube ; lower teeth small, acuminate. 

 Corolla very small ; lower lip -^-^ in. long. — De Wild. & Durand, 111. Fl. 

 Congo, i. t. 25. 



Soutb Central. Congo Free State : near Mtowa on Lake Tangnnyika, 

 Deacam^s. 



