410 cii. LABIATE (baker). [Plectranthus . 



36. P. sphserophylluSy Baker. Stem slender, simple, thinly- 

 hairy. Leaves long-petioled, cordate-orbicular, with 3-4 broad deep 

 teeth on each side, membranous, glabrous, the lower 1-1 J in. long and 

 broad. Panicle racemose, very lax, terminal, J ft. long ; central whorls 

 3-4-flowered; pedicels reaching J- J in. long. Fruit- calyx ^ in. long, 

 glabrous ; tube campanulate ; upper tooth ovate, as long as the tube ; 

 2 lateral short cusps ; 2 lower longer cusps. Corolla J in. long ; lower 

 lip oblong-navicular, rather shorter than the tube. 



Xttozamb. Blst. Zanzibar ? Kirk ! German East Africa : Usaramo ; Dar-t-s- 

 Salaam, Kirk ! 



37. P. xnicrophyllus. Baker. Perennial, with slender erect 

 simple firm obscurely pubescent stems, 1 ft. long. Leaves small, dis- 

 tinctly petioled, orbicular, crenate, cuneate and entire at the base, 

 membranous, slightly pubescent. Inflorescence racemose, long, very lax ; 

 whorls many-flowered ; pedicels as long as the calyx. Fruit-calyx \ in. 

 long ; tube campanulate ; upper tooth ovate, as long as the tube ; lower 

 longer, lanceolate. Corolla J in. long. 



Mozamb. Blst. German East Africa: Usambara; Magila, 1000 ft.. Kirk! 



88. P. paucicrenatus, Franchet, Sert. Somal, 56. Stems herb- 

 aceous, clothed with white hairs. Leaves petioled, suborbicular, deeply 

 inciso-crenate, with only 2-3 teeth on each side, laxly lanate, whitish 

 beneath. Inflorescence a lax racemose panicle ; bracts deciduous. 

 Calyx minutely pubescent, as long as the pedicel ; upper tooth ovate ; 

 4 lower acute. Corolla J in. long, scarcely twice the length of the 

 calyx, pubescent. 



irUe ]band. Somalilaud, Revoil. 



Nearly allied to P. madagascariensis, Bentb., which, as it occurs in Arabia Felix, 

 Mauritius and Natal, will most likely be found in Tropical Africa. 



39. P. herbaceusy Briquet hi Engl. Jahrh. xix. 179. An erect 

 annual, with branched fragile glabrous stems 1-3 ft. long, Leaves 

 shortly petioled, ovate, membranous, crenate, 1-2 in. long, glabrous 

 above, obscurely pubescent beneath. Panicles terminal on the main 

 stem and branches, made up of many ascending forked scorpioid elon- 

 gated cymes; pedicels very short. Fruit-calyx glabrous, \ in. long; 

 tube campanulate ; upper lip orbicular ; lateral small, deltoid ; lower 

 lanceolate, as long as the upper. Corolla twice as long as the calyx. — 

 Germanea herbacea, Hiern, Cat. Afr. PL Welw. i. 801. 



Ito-wer Guinea. Angola : province of Huilla, at LopoUo, WeUvilsch, 5506 ! 

 5614. 



40. P. bongensis, Baker. An annual herb, with slender erect 

 branched glabrous stems 2-3 ft. long. Leaves oblong, acute, petioled, 

 crenate, membranous, glabrous, the lower 2-3 in. long. Inflorescence 

 a lax narrow panicle 6-9 in. long; cymes short, compound ; pedicels 

 short. Calyx \ in. long ; tube campanulate ; lateral lobes oblong ; 



