408 (11. LABIATE, (FiAKEii). [Plectrauthus. 



cordate-ovate, deeply crenate, membranous, glabrous, \\-'l in. long. 

 Inflorescence a terminal racemose panicle above the leaves ; branches 5, 

 lax, approximate, the end one .*>-(; in. long ; central whorls o-fiowered ; 

 pedicels longer than the calyx. Fruit-calyx \ in. long ; tube cam- 

 panulate ; upper tooth Hmall, ovate ; lateral minute, deltoid ; lower 2 

 small cusps Corolla J in. long. 

 Mozamb. Sist. Zanzibar, Kirk ! 



21). P. sylvestris, iiurke in Engl. Jahrh. xix. 205. Stems branched, 

 0-7 ft. long, glabrescent below, pubescent above. Leaves petioled, 

 broadly ovate, membranous, 1^,-2 in. long, narrowed to the base, acumi- 

 nate, deeply toothed, glabrous on both sides or obscurely hairy on the 

 ribs below. Inflorescence a racemose lax panicle ; lower whorls remote ; 

 cymes 4-G-flowered, sessile ; bracts lanceolate or ovate lanceolate ; pedi- 

 cels \-}j in. long, clothed like the calyx and axis with thick pubescence. 

 Fruit-calyx 1 in. long ; upper tooth ovate, acute ; lateral lanceolate, 

 acuminate ; lower lanceolate, acuminate, as long as the upper. Corolla 

 blue, pubescent ; tube very short. 



Mozamb. Dlst. German E ;st Afiicn : Ivilinianjaro, Folkens, 765. 



;>0. P. punctatus, L' Her It. Stir p. 87, t. 42 ; Jienth. in DC. Prod. 

 xii. (54. An erect perennial, with stout simple or branched pubescent 

 stems 1-2 ft. long. Leaves petioled, ovate, crenate, membranous, 

 slightly pubescent, the lower ;)-4 in. long, the upper growing gradually 

 smaller. Inflorescence racemose ; branches short, dense in the upper 

 half, lax downwards ; rhachis very pubescent : whorls many-flowered ; 

 pedicels short. Calyx pubescent, ^-J in. long ; tube campanulate ; 

 upper lip ovate, mucronate, as long as the tube ; 4 lower deltoid or 

 lanceolate. Corolla \ in. long. — Engl. Hcchgebirgsfl. Trop. Afr. 

 ;J59. 



JTile X<and. Abyssinia : Hegt-meder : Gunnia, 650O ft., Schimper, 312 of 1862 

 collection; Galat, 8-fOO ft., Schimper, 812 of 1863 collection, and witbout precise 

 locality, Schimper, 691 I and cultivated specimens I 



:>1. p. kamerunensis, Gilrke in Kngl. Jahrh. xix. 202. Stems 

 branched, ;>-4 ft. long ; branchlets pubescent. Leaves with a very long 

 petiole, membranous, round-ovate, the lowest 4 in. long and broad, 

 cordate at the base, acuminate, deeply crenate, with a few adpressed 

 hairs on both sides. Inflorescence a racemose panicle; whorl.* remote, 

 G flowered ; cymes .sessile or nearly so; pedicels long; bracts ovate, 

 acute. Calyx clothed outside with long hairs, in flower ^ in. long, 

 very accrescent ; upper tooth broader, ovate-deltoid, acute ; the others 

 shorter, subequal, deltoid, acuminate. Corolla violet. 



Upper Guinea. Caraeroons : near West Buea, 3200 ft., Vreusa, 1039. 



32. P. Manniiy Baker. An erect herb, with slender fragile 

 branched pilose stems (l-X ft. long. Leaves long-petioled, cordate- 



