406 cii. LABIAT.+: (baker). [Plecti'mithics, 



as long as the tube ; the others small, deltoid. Corolla ?, in. long. 

 Stamens included. 



Mozamb. Dlst. British Central Africa : Nyasaland ; Masuka Plateau, G500- 

 ?00 .-. ., JV//t/^e, 299 ! 



'20. P. brevipes, Baker. A much-branched erect perennial, with 

 slender pubescent stems. Leaves distinctly petioled, ovate, 1-H in, 

 long, acute, deeply crenate, not cordate at the base, membranous, green 

 and pubescent on both surfaces. Whorls 2-8- flowered, arranged in long 

 lax racemose panicles ; bracts obsolete ; pedicels pubescent, yV-J in. long. 

 Fruit-calyx pilose, ^ in. long ; tube campanulate ; upper tooth ovate, 

 obtuse, nearly as long as the tube ; lateral teeth small, deltoid ; lower 

 large, lanceolate. Corolla -J- in. long. Stamens included. 



Mozamb. Bist. Hritisli Central Africa : Nyasaland ; Nyika Plateau, 6000- 

 7000 ft., Whyie : 



2 1 . P. xnanganjensis. Baker. A perennial erect shortly pubescent 

 herb. Stems 2 ft. long. Leaves distinctly petioled, cordate-ovate, 

 crenate, membranous, pubescent, the lower IJ in. long and broad. 

 Inflorescence racemose ; branches 3, approximate, moderately dense, 

 the end one 2-8 in. long ; whorls few-flowered ; pedicels short, 

 pubescent. Flower-calyx pubescent, ^ in. long ; tube campanulate ; 

 upper tooth ovate, as long as the tube ; 4 lower lanceolate, as long as 

 the upper. Corolla \ in. long. 



Mozanib. Blst. British Central Africa: Nyasaland; Manganja Highlands, 

 Kirk ! Mount Zomba, 4000-6000 ft., Whyie > 



22. P. Holstii) Oiirke in Engl. Jahrh. xix. 204. Stems slender, 

 simple, grandular-pubescent. Leaves distinctly petioled, broadly ovate, 

 membranous, under 1 in. long, acute, rounded at the base, dentate, 

 pubescent on both sides. Inflorescence racemose, short ; whorls distant, 

 4-()-flowered ; cymes sessile ; bracts broadly ovate, acute ; pedicels 1 in. 

 long, glandular-pubescent, as are the calyx and axis. Fruit-calyx 

 \ in. long ; upper tooth broadly ovate, acute ; lateral deltoid, acuminate ; 

 lower lanceolate-subulate, rigid, shorter than the upper. Corolla 

 declinate, equal at the base. 



Dflozamb. Bist. (ierman East Africa: Usambara ; in damp places on low hills 

 near Mlalo, Hoist, 2 IS. 



23. P. longipes. Baker. A tall, much-branched, erect herb, with 

 pubescent stems. Leaves with a very long petiole, ovate, 2-3 in. long, 

 deeply crenate, not cordate at the base, green and slightly pubescent on 

 both surfaces. Whorls 4-(l-flowered, arranged in a long lax racemose 

 panicle ; bracts minute ; pedicels J— | in. long. Fruit-calyx pilose, \ in. 

 long ; tube campanulate ; upper teeth broadly ovate, as long as the 

 tube ; lower linear, as long. Corolla \ in. long ; lower lip shorter than 

 the tube. Stamens not exserted. — P. herhaceus, Schweinf. PI. Abyss. 

 Sept. Exsicc. No. 178, non Briquet. 



Nile Ziand. Eritrea : (iinda, 3000 ft , ScJiweinfurth, 178 '. 

 Introduced into cultivation by Messrs. Dammann of Naples in 1894. 



