420 CII, LABIAT.E (BAKER). [ Plectranthus. 
78. P. Coppini, Cornu in Comptes-rendus Acad. Paris, ¢Xxx. 
1268, a species with edible tuberous roots from the Sudan, is at present 
a doubtful member of the genus. 
14. SOLENOSTEMON, Schumach. et Thonn. ; Benth et Hook. f. 
Gen. Plant ii. 1175. 
Calyx slightly accrescent ; tube campanulate in the flowering stage, 
10-ribbed ; upper tooth ovate, with decurrent edges ; lateral small ; 
lower oblong, as long as the upper. Corolla-tube cylindrical, dilated 
and deflexed at the throat; upper lip shorter ; lower long, oblong, 
deeply concave. Stamens 4, declinate; filaments filiform, united in a 
tube at the base ; anther-cells confluent. Disk glandular, style shortly 
bifid. Nucules ovoid, smooth.—Erect herbs. Leaves ovate, crenate, 
long-petioled; whorls of flowers arranged in a long raceme or panicle ; 
bracts small. Flowers small, lilac. 
One of the species also Tropical American. 
Cymes simple, umbellate. 
Annual . . . . . . . . 1. S. oeymoides. 
Perennial. 
Leaves very small . . . 2. S. decumbens. 
Leaves not very small . . . . . 3. 8. calaminthoides. 
Cymes not umbellate. 
Stems short. 
Leaves membranous, pubescent . . . . 4. 8. zambesiacus. 
Leaves firm, glabrous . . . . . . 5. S. Mannii. 
Stems 10-12 ft. long. . . . . . 6. 8. eymosus. 
1. S. ocymoides, Schumach. d: Thonn. Beskr. Guin. Pl. 271. An 
annual herb, with erect fragile branched slightly pubescent stems, 
3—4 ft. long. Leaves nettle-like, long-petioled, ovate, crenate, mem- 
branous, slightly pubescent, the lower 3-4 in. long and broad. Whorls 
laxly disposed, simple, many-flowered, forming a raceme sometimes 1 ft. 
long ; pedicels pubescent, 4 in. long; bracts as long as the pedicels. 
Calyx finally 4 in. long; tube short, campanulate ; upper lip reflexed, 
orbicular, longer than the tube ; side teeth very small ; lower lip oblong, 
concave. Corolla-tube rather longer than the calyx; lower lip } in. 
long.—Hiern in Cat. Afr. Pl. Welw. i. 863. S. africanus, Briquet in 
Engl. Jahrb. xix. 181, in obs. S. ocimoides, Briquet in Bull. Soc. Bot. 
Belg. xxxvii. 68; Henriques in Bolet. Soc. Brot. x. 149. 
Upper Guinea. Senegal, without collector’s name! Sierra Leone : Heddles 
Farm, open places in the bush, Scoff-Elliot, 3908! Welwitsch, 5579, 5580! French 
Guinea, near Salimania, Scott-Elliot, 5886! Ashanti, Cummins, 9! Lagos: Yoruba 
district, Moloney! Niger Territory: Nupe, Barfer, 1281! Lower Niger; Stirling 
Hill, Ansell! Cameroons: Rio del Rey, Johnston! Batanga, Bates, 117! Fernando 
Po, Barter! Mann, 404! 
Lower Guinea. island of St. Thomas, Mol/er, Angola: 15 miles from 
Ambriz, Mosteiro ! 
