4 IS ('II. labiate: (baker). [Plecirajithus. 



70. P. Zenker!, (iilrke in Engl. Jahrh. xix. lOl). Stems erect, 

 branched, pubescent. Leaves distinctly petioled, membranous, ovate 

 or ovate-oblong, above ] in. lone^, rounded at the base, acute or acumi- 

 nate, crenate, glabrous above, pubescent below. Racemes lax, com- 

 pound ; cymes remote, ;»-riowered, with a peduncle \ in. long ; pedicels 

 long, sparsely glandular-pubescent, like the calyx and rhachis; bracts 

 ovate or ovate-lanceolate. Calyx tubular, in flower -^^ in., finally 

 J in. long ; teeth subequal, lanceolate-deltoid, acuminate, lower shorter. 

 Corolla lilac. 



Upper Guinea. C'amerooiis : near Yaunde, Zenker. 



71. P. Schiinperi, Vatke in Linncm, xxxvii. ?)\1. An annual, with 

 much-branched slender fragile glabrous stems 2-8 ft. long. Leaves 

 distinctly petioled, ovate, acute, membranous, crenate, slightly hairy, 

 1-2 in. long. Inflorescence a lax terminal panicle, with compound 

 cymes on slender ascending peduncles from the axils of the upper 

 leaves ; pedicels pubescent, long or short. Flower-calyx pubescent, 

 J in. long ; teeth ovate, equal, shorter than the tube. Corolla-tube 

 twice as long as the calyx ; lips \ in. long. — Engl. Ilochgebirgsfl. Trop. 

 Afr. 8,-i8. 



Nile Iiand. Abyssinia : Hegemeder ; near (iafat, by streams, in hedges and at 

 the foot of mountains, 81CKJ-8200 ft., Schimper, 1174! 1179! and without precise 

 locality, Roih, 502 ! 



72. P. ramosissixnuSy Hook. f. in Jour n. Linn. Soc. vi. 17, vii. 

 210. An erect, much-branched herb, 4-10 ft. high, with square 

 slightly pubescent stems. Leaves distinctly petioled, narrowly ovate, 

 crenate, small, pubescent. Inflorescence a lax panicle terminating 

 each branch, with copiously compound branchlets, each subtended at 

 the base by a reduced leaf ; pedicels pubescent. Flower-calyx jV ^^^ 

 long, densely pubescent ; tube campanulate ; teeth small, deltoid, sub- 

 equal. Corolla ,V in. long ; tube straight, funnel-shaped, twice as long 

 as the calyx ; lower lip much smaller in proportion than usual in the 

 genus. Stamens exserted beyond the lower lip. — Engl. Hochgebirgsfl. 

 Trop. Afr. 3r>l). 



Tipper Guinea. Cameroons : Cameroon Mountain, 3000-7000 ff., Manriy 

 1320! 1996 ! Johnsfon, 102! Fernando Po : Clarence Peak, 5000 ft., Mann,Q2i\ 



7;>. P. hoslundioides, Baker. A much-branched herb, with 

 finely hairy slender fragile stems. Leaves shortly petioled, broadly 

 ovate, crenate, small, pubescent, especially beneath. Inflorescence a 

 lax panicle with trichotomously cymose forks at the end of each branch ; 

 pedicels long, very slender. Flower-calyx densely pubescent, -^^ in. 

 long ; teeth ovate, subequal. Corolla | in. long ; tube straight, sub- 

 cylindrical, three times the length of the calyx ; lower lip much smaller 

 than is usual in the genus. Stamens shortly exserted. 



Mozamb. Dist. (ierman East Africa : Lower Plateau, north of Lake Nyasa, 

 Thomson ! 



Nearly allied to P . ramosissiimis. Hook. f. 



