412 (11. LABiAT.E (baker). [Plectranth)'^. 



petioled, ovate, acute or acuminate, membranous, serrate, 2-o in. long, 

 li-2 in. broad, rounded or subcordate at the base, clothed with long 

 adpressed hairs on both sides. Inflorescence racemose, very short, 

 terminal ; cymes shortly peduncled, crowded, ;>-flowered ; pedicels ^| 

 in. long; bracts lanceolate. Calyx shortly tubular, finally ^-^ in. 

 long ; upper tooth ovate, acute, the others lanceolate-deltoid, acuminate. 

 Corolla with a blue tube and white lips. 



BSozamb. I>lst. (iernian East Africa : Kilimanjaro, near Marangu, 5000 ft., 

 rolki-m^ ()34. Usainbara; near Mlalo, Hoist, 459. 



46. P. urticoideSy Baket\ An erect herb, with slender stems 

 thinly clothed with spreading white hairs. Leaves long-petioled, cor- 

 date-ovate, deeply crenate, membranous, slightly hairy on the main 

 veins, the lower o-4 in. long and broad, with an ascending petiole 

 nearly as long as the blade. Inflorescence a very lax terminal racemose 

 panicle ; cymes simple or slightly compound ; pedicels longer than the 

 calyx. Flower-calyx ^ in. long ; tube campanulate ; upper tooth ovate ; 

 4 lower cuspidate. Corolla t\ in. long. — P. laxijforus, var. genuimis, 

 Bri(|uet in Engl. Jahrb. xix. 180, vix Benth. Gerjnanea laviflora, var. 

 yenuina, Hiern, Cat. Afr. PI. Welw. i. 8G1. 



]Lo\irer Guinea. Angola: province of Pungo Andongo, WeZtriYvcA, 5545 ! 



Briqiiet in Engl. Jahrb. xix. 180, refers this to the South-east African P. laxi- 

 floruSy lienth., which differs by having many distinctly peduncled cymes, larger 

 corollas, &c. He describes a var. -stenodonius collected in Angola by Von Mechow. 



47. P.chiradzulensiSj/irt^ey. Stem elongated, woody, bearing small 

 distant lateral panicles ; branchlets pubescent. Leaves small, petioled, 

 ovate, deeply crenate, membranous, glabrous. Panicles very lax, lateral 

 and terminal ; cymes few-flowered, simple or compound ; pedicels \-\ in. 

 long. Calyx finally |-J in. long ; upper tooth ovate, shorter than the 

 oblong tube ; lateral teeth lanceolate ; lower linear, as long as the top 

 one. Corolla J in. long; lower lip oblong, deeply concave, as long as 

 the tube. 



nXozaml). Dist. British Central Africa : summit of Mount Chiradzulu, Mellef .' 

 Mount Mlaiije, 6000 ft., Whj/fe ! 



48. P. usambarensiSy Giirke in Kngl. Jahrh. xix. 207. Stems 

 branched, clothed with spreading glandular hairs. Leaves long-petioled, 

 rhomboid-ovate, membranous, 1-1 J in. long, at most 1 in. broad, acute, 

 rounded or narrowed to the base, serrate, sparsely clothed on both 

 sides with very long hairs. Inflorescence racemose, lax ; whorls 

 remote ; cymes 2-flowered, shortly peduncled ; bracts ovate-lanceolate, 

 persistent ; pedicels V in. long, clothed, like the calyx, with long simple 

 and shoi-t glandular hairs. Fruit-calyx \ in. long ; upper tooth broad 

 deltoid, acute ; lateral deltoid, acuminate ; lower longer, lanceolate, 

 acuminate. 



Mozamb. Dist. German East Africa : Usambara, Hoist, 487. 



