278 LABIATA (Cooke). | Plectranthus. 
very shortly apiculate ; lateral teeth broadly deltoid, acuminate ; 
2 lower teeth longer and narrower, acuminate ; corolla bluish- 
purple, much longer than the calyx ; nutlets yellowish brown. 
Eastern ReGion : Natal; Clairmont, AKwnize, 
The plant is less upright than P. lawiflorus. It has glabrous leaves and 
4-flowered verticils, while P. laxiflorus has more or less hairy leaves and 6-flowered 
verticils. The teeth of the calyx are also different. JI have not seen any 
specimens and Guerke has not described the corolla-tube. 
18. P. grandidentatus (Guerke in Bull. Herb. Boiss. vi. 554) ; 
villous all over; leaves 14-2} in. long and as broad as long, 
orbicular, deeply cut all round, except at the base, into oblong or 
deltoid acute or subobtuse teeth, sometimes } in. deep, base sub- 
cordate, truncate or cuneate ; petioles }-1# in. long ; inflorescence 
a panicle near the base, the racemes forming it reaching as much as 
9 in. long ; verticils somewhat distant, of 3-7 sets of white flowers 
at each side ; peduncles 0, or rarely present and very short ; pedicels 
1-14 lin. long ; bracts small, deciduous ; fruiting calyx 2 lin. long, 
oblique, hairy and covered with red shining glandular dots ; flower- 
ing calyx 1 lin. long, hairy ; upper tooth } lin. long, and about as 
broad, suborbicular-oblong ; other 4 teeth subequal, deltoid, acute ; 
corolla 4 lin. long; tube 2 lin. long, deflexed at the very base, 
funnel-shaped above ; upper lip 1} lin. long, ciliate at the apex, 
and with red glandular dots; lower lip 2 lin. long, 1 lin. deep, 
boat-shaped ; nutlets 4 lin. long, scarcely } lin. broad, ovoid, obtuse, 
shining, polished, brown. 
Coast Rrecion: Queenstown Div.; Shiloh, 3500 ft., Baur, 797! Uitenhage 
Div. ; Zuurberg Range, 7'yson, 1177! 
Eastern ReGion: Griqualand East ; on moist rocks at Emyembe, in Umzimkulu 
district, 5500 ft., Tyson, 2163! and in MacOwan, Herb. Austr.-Afr., 1517! Natal ; 
in woods at Umkomaas, 4000-5000 ft., Wood, 4606 ! 
19. P. Cooperi (T. Cooke in Kew Bulletin, 1909, 377) ; erect ; 
stem obtusely quadrangular, grooved, pubescent; leaves up to 
34 in. long, 3 in. broad, deltoid-ovate, acute or acuminate, 
coarsely and somewhat irregularly crenate, sparsely pubescent 
above and on the nerves beneath; petioles of lower leaves 
reaching 2} in. long, those of the upper leaves shorter, 
more or less pubescent ; inflorescence in long racemes reaching 
10 in. long, simple or forming a panicle branched at the base, 
the rhachis scaberulous with short gland-tipped hairs; verticils 
6-12-flowered, often nearly 1 in. apart, not or scarcely pe- 
dunculate ; bracts 1-1} lin. long, glandular-pubescent ; fruiting 
calyx 3 lin. long, curved, nearly glabrous, often purple-coloured ; 
upper tooth nearly 1} lin. long, ovate, acuminate, erect; other 
4 teeth subulate from a deltoid base, the lower teeth the longest ; 
flowering calyx 1} lin. long, coloured, tube pubescent ; narrow 
basal portion of the corolla-tube 3 lin. long, about } lin. broad, 
sharply deflexed ; upper portion of tube above the narrow part 
