XCVI. LABIATA. 307 
ricating. Style 2-fid; lobes subulate. Nuts obtuse, not trun- 
cate.—DC. Prod. xu. p. 516. 
Perennial herbs or undershrubs, generally coarsely scented. Leaves 
rugged, cordate at base, entire or crenate; the floral similar. Whorls axil- 
lary.—B. Africana, Benth., common through thecolony, is our only species. 
15. LEUCAS, Benth. 
Calyx tubular or narrow-bellshaped, striate, straight or in- 
curved, the mouth equal or oblique, 8-10-toothed. Corolla- 
tube included, annulate or nude within; limb 2-lipped, upper 
lip concave, erect, entire or emarginate, very hairy externally, 
lower longer, spreading, 3-fid, the medial lobe very large. 
Stamens ascending under the galea; filaments nude; anthers 
approaching in pairs, with divaricate cells. Upper lobe of 
style very short, lower subulate. Nuts 3-cornered, obtuse.— 
DC. Prod. xii. p. 523. 
Herbs or undershrubs, often weeds in warm countries. Leaves subentire 
or toothed ; whorls axillary, few- or many-flowered. Corolla mostly white. 
—2 species naturalized near Natal. 
16. LASIOCORYS, Benth. 
Calyx somewhat bell-shaped, 10-nerved, with 5 ovate 
teeth, rarely with interposed toothlets. Corolla-tube in- 
cluded, annulate within ; limb 2-lipped ; upper lip entire, con- 
eave, erect, very hairy without; lower spreading, scarcely 
longer, 3-fid, the medial lobe scarcely wider, emarginate. Sta- 
mens 4, ascending ; filaments nude; anthers in pairs, under 
the upper lip, 2-celled; cells divaricate. Style-lobes subulate, 
the lower short or very short. Nuts 3-cornered, obtuse.— 
DC. Prod. xii. p. 534. 
African undershrubs, allied to Ballota and Leucas.—1 Cape species, in 
the Eastern district. 
17. LEONOTIS, R. Br. 
Calyx ovate-tubular, 10-nerved, incurved, with an oblique, 
10-toothed mouth, the upper tooth larger. Corolla-tube ex- 
serted, nude or partly annulate within; lmb 2-lipped, upper 
lip concave, erect, elongate, entire, lower short, spreading, 3- 
fid, the medial lobe scarcely longer. Stamens under the 
galea; filaments nude at base ; anthers in pairs, 2-celled, diva- 
ricate. Upper style-lobe very short. Nuts obtuse.—D0C. 
Prod. xii. p. 584. 
African herbs and halfshrubs, with bright scarlet or orange showy 
flowers, in very dense whorls ; leaves ovate or lanceolate, crenate.—8 Cape 
species, Hastern and at Natal. 
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