368 cii. LABiAT.-E (baker). \Orthosi2)hon. 



7. O. scabridus, Briquet in EikjI. Jahrh. xix. 175. A tall herb, 

 with green branches, clothed with spreading and crisped hairs. Leaves 

 subsessile, broadly ovate, 1^—- in. long, obtuse, rounded or subcordate 

 at the base, regularly crenate, scabrous on both surfaces. Racemes lax, 

 4—5 in. long ; pedicels pilose, i in. long ; bracts small, lanceolate, per- 

 sistent. Calyx in flower I in. long ; upper tooth ovate, decurrent, the 

 others lanceolate-subulate. Corolla protruding \ in. from the throat of 

 the calyx ; lips small, subequal. Stamens included. 



Iioixrer Guinea. Angola: Malange, jlfec/io?i', 442. 



8. O. salagensis. Baker. Stems square, erect, slender, branched, 

 glabrous. Leaves shortly petioled, oblong-lanceolate, acute, conspicu- 

 ously serrate, obscurely pubescent, cuneate and entire at the base, 

 1-li in. long, whorls few -flowered, forming long lax terminal racemes; 

 bracts minute ; pedicels yV-^ in. long. Fruit-calyx \ in. long ; tube 

 oblong, curved ; upper tooth small, orbicular ; lateral teeth small cusps ; 

 lower larger cusps. Corolla-tube cylindrical, a little longer than the 

 calyx ; lobes small. Stamens not exserted. 



Upper Guinea. Dagomba : Salaga, on the Upper Volta, Krause ! 



9. O. shirenais. Baker. A much-branched erect perennial herb. 

 Stems thinly hairy. Leaves shortly petioled, oblong, the lower 2-3 in. 

 long, cuneate at the base, distinctly crenate, thinly hairy on both sur- 

 faces. Racemes 3-4 in. long, forming a lax terminal panicle ; pedicels 

 short, very hairy; bracts small, ovate, persistent, reddish. Calyx 

 broadly funnel-shaped, J in. long ; upper tooth broadly ovate ; lateral 

 teeth deltoid-cuspidate ; lower longer, lanceolate, ^ in. long. Corolla- 

 tube rather longer than the caljx ; lips small. Stamens not exserted. 



Mozamb. Dist. British Central Africa : Nyasaland ; without precise locality, 

 Buchanan, 137 ! 



10. O. tubnlascens, ^ri^«e^ in Enyl. Jahrh, xix. 174. Perennial. 

 Stems erect, much branched, densely pubescent. Leaves small, shortly 

 petioled, oblong, with a cuneate base, crenate, densely hairy on both 

 sides. Whorls few-flowered, forming a long lax terminal raceme ; 

 bracts minute; pedicels very short, densely hairy. Calyx finally \ in. 

 long ; tube campanulate ; upper tooth orbicular, as long as the tube ; 

 lateral and lower teeth large cusps. Corolla-tube cylindrical, half as 

 long again at the calyx ; lobes small. Stamens not exserted. 



Ibower Guinea. Angola: province of Hnilla, Weltcitsch, 5492 ! 



11. O. cladotrichos, Gurke in Engl. Pfl. Ost-Afr. C. 349. A 

 branched herb, with velvety-pubescent stems. Leaves shortly petioled, 

 ovate-lanceolate, 1-2 in. long, acuminate, nan'owed to the base, deeply 

 serrate, pubescent above, velvety beneath. Whorls 6 -flowered, forming 

 lax racemes. Calyx naked inside at the throat ; upper tooth broadly 

 ovate, with slightly decurrent margins ; lateral teeth deltoid-cuspidate ; 

 lower setaceous. Stamens included. 



Mozamb. Bist. German East Africa : Usambara; Nyika, Hoist, 3922. 



