4i)'2 cii. LAiiiAT.E (kaker). [Plecii'ttiUhus. 



decuneiit edges ; lateral as long, lanceolate-deltoid, acuminate; lower 

 longer, lanceolate-subulate. Corolla pubescent, yellow ; tube short. 



Mozaml>« Dlst. (J^-rmaii East Africa : Usambara : Maslieuii, 1500-1600 ft., 

 Jlohf, 357;i ! 



8. P. biflomSy Baker. An undershrub, with square woody 

 branchlets, clothed with firm spreading strong brown hairs. Leaves 

 unknown, produced after the flowers. Inflorescence a racemose terminal 

 panicle ; branches short, erecto-patent ; flowers solitary ; pedicels J. in. 

 long, erecto-patent ; bracts minute or obsolete. Fruit-calyx i in. long ; 

 tube cylindrical, glandular-pubescent, rather recurved ; upper tooth 

 orbicular-cuspidate, J the length of the tube ; the others longer, lan- 

 ceolate-cuspidate. Corolla not seen. 



Mozamb. Dlst. British Central Africa : Nyasaland ; between Kondowe and 

 Karonga, 2000-6000 ft., W^hyte ! 



Very near P. ietr'agonus, (liirke, from which it ditfers by its long calyx-tube. 



•4 P. modestxiSy ^a^er In Kmo Bulletin, 1895, 72. Stems slender, 

 erect, annual, branched, pubescent, under 1 ft. long. Leaves few, 

 sessile, lanceolate, the largest 1^-2 in. long, distinctly crenate, green and 

 glabrous on both surfaces. Inflorescence racemose, lax, axillary ; whorls 

 2-8-flowered ; bracts minute ; pedicels longer than the calyx. Calyx 

 pubescent, ^ in. long in the flowering stage ; upper tooth orbicular, 

 the others narrow, acute. Corolla J in. long; tube twice the length of 

 the calyx; upper lip small ; lower larger, convex. Stamens included. 

 Mozamb. Bist. British Central Africa : Urungu : Fwainbo, Carson ! 



5. P. stenophyllus, Baker. A perennial, with a slender simple 

 erect pubescent stem 1 ft. long. Leaves sessile, lanceolate, subentire, 

 very pubescent, ascending, '2-?> in. long, \-\ in. broad, with copious 

 black dots. Inflorescence racemose, long, lax, terminal ; whorls o-d- 

 flowered ; pedicels long, pubescent. Flower-calyx pubescent, | in. 

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

 lower small, deltoid-cuspidate. Corolla h in. long, pubescent outside ; 

 lower lip oblong-navicular, rather shorter than the tube. 



Mozamb. Dist. Britisli Central Africa : Nyasaland; near Blantyre, Zas/ .' 



6. P. zombensiSy Baker. A perennial, with erect simple or 

 slightly-branched stems 2 ft. long, pubescent upwards. Leaves sessile, 

 oblong, crenate, pubescent, ascending, 2-/3 in. long. Inflorescence a 

 slightly branched racemose panicle, moderately dense, 2-3 in. long ; 

 whorls many-flowered ; pedicels short. Flower-calyx pubescent, \ in. 

 long; tube campanulate; upper tooth ovate; 4 lower longer, lanceo- 

 late. Corolla twice as long as the calyx. 



Mozamb. Bist. British Central Africa: Nyasaland; summit of Moui.t 

 Zomba, Buchanan, 395! 



7. P. Buchananii, Baker. Perennial. Leaves oblong, deeply 

 crenate, narrowed gradually to a sessile base or a distinct petiole, 



