Ballota.] LABIATH (Skan). 369 
Coast Recion: Clanwilliam Div.; between Clanwilliam and Bosch Kloof, 
Drége. Cape Div.; Greenpoint, Prior! Lion Mountain, Harvey! Lions Head, 
Wolley-Dod, 3137! near Simons Bay, Milne, 158! and without precise locality, 
Hooker! Riversdale Div. ; near Riversdale, Schlechter, 1965! Mossel Bay Div. ; 
between Duyker River and Gauritz River, Burchell, 6388! Uitenhage Div. ; 
Olivenhout Kloof, near Enon, Drége! Albany Div. ; Albany, Miss Bowker! Fort 
Beaufort Div., Cooper, 557! Victoria East Div.; near Victoria, Mr. Barber! 
Queenstown Div. ; Lesseyton Drift, near Queenstown, 3500 ft., Galpin, 2592! 
CENTRAL ReGion: Ceres Div. ; near Yuk River, Burchell, 1255! Laingsburg 
Div. ; Witteberg Range at Matjesfontein, Rehmann, 2941! Somerset Div. ; 
between the Zuurberg Range and Klein Bruintjes Hoogte, Drége! foot of Bosch 
Berg, 2300 ft., MacOwan, 1888! Cradock Div. ; without precise locality, Cooper, 
509 ! Graaff Reinet Div. ; at Wagenpads Berg, Burchell, 2825 ! Graaff Reinet, Bolus, 
44! Beaufort West Div. ; Nieuwveld, near Bok Poort, Drége! between Beaufort 
West and Rhenoster Kop, 2500-3000 ft., Drége ! 
WestERN Region: Little Namaqualand ; Silver ¥ontein, near Ookiep, Drége ! 
between Lekkersing and Noagas, Drége! Ara Koop, 2300 ft., Schlechter, 112421 
XXI. LEUCAS, Burm. 
Calyx tubular or tubular-campanulate, rarely inflated, 10-nerved, 
striate, straight or incurved, equal or oblique at the throat, being — 
often produced on the lower side or sometimes on the upper side ; 
teeth 6-10, equal or unequal. Corolla-tube included, annular-pilose 
or annular-papillose inside or sometimes naked; limb 2-lipped ; 
upper lip erect, concave, entire or more rarely emarginate ; lower 
lip spreading, 3-lobed, median lobe largest. Stamens 4, didynamous, 
lower pair longer than the upper, all (or at least the longer) exserted 
from the corolla-tube and ascending under the upper lip ; anthers 
approximate in pairs, 2-celled; cells divaricate, finally confluent. 
Disk equal and entire or sinuate-dentate, or produced in front. 
Style subulate at the apex, with a very short posterior lobe. Nutlets 
ovoid-triquetrous, obtuse or scarcely truncate at the apex. 
Annual or perennial herbs or sometimes undershrubs, variously hairy or rarely 
glabrescent ; leaves entire or toothed ; upper floral leaves similar to the others or 
reduced ; whorls axillary, few- or many-flowered, often distant; corolla white, 
rarely purplish ; upper lip very villous. 
Distrrp. Species about 130, in the tropical regions of the Old World, 1 in 
Tropical America and the West Indies. 
Corolla 6-84 lin. long: 
Calyx 10-toothed; bracts much shorter than the 
vx: 
Leaves ovate-lanceolate to ovate, up to 1 in. broad (1) glabrata. 
Leaves linear-lanceolate, up to 5 lin. broad ..- (2) Fileckii. 
Calyx 6-toothed ; bracts often as long as or longer 
peer CHS OYE .» ase (3) sexdentata. 
Corolla only about 3 lin. Jong : : 
Leaves ovate to ovate-lanceolate, 4-2 in. broad; 
calyx curved near the apex, produced on the 
upper side ... “ oy a“ ae se 
Leaves oblanceolate to narrowly obovate, + Bie 
broad ; calyx straight, produced on the ve 
side... vec see on ae (5) neuflizeana. 
VOL. V.—SECT. I. 2 8B 
... (4) martinicensis. 
lin. 
ower 
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