268 LABIATA (Cooke). | Plectranthus. 
Section 2. SracHyantHt. Cymes almost sessile, with very short 
pedicellate flowers in elongated thick spike-like racemes ; upper lip of 
calyx ovate, only moderately different from the teeth of the lower lip ; 
corolla-tube deflexed about the middle. 
Leaves lin. long, obovate-oblong, sessile ; 
bracts as broad as long; corolla lilac ... (12) villosus. 
Leaves 2 in. long, orbicular, shortly petiolate ; 
bracts narrower than tong corolla 
yellow .. (13) densifiorus. 
Section 3, CoLEOIDEs. Ripe says: auatinate upper tooth usually ovate, 
more rarely triangular or lanceolate ; teeth of the lower lip acute and 
narrower; corolla-tube gibbously enlarged above the base, but not 
spurred; plants of various habit. 
* Verticils pedunculate. 
Verticils distant, developing into many- 
flowered opposite racemes ; pedicels 2 lin. 
sts a .. (14) Tysoni, 
long 
Verticils in Silas! ‘iis of 3 on ‘ing 
peduncles : 
Verticils 6-flowered ; 
Stem villous ; leaves hairy; bracts 2-4 
lin. long; corolla-tube 4 lin. long, 
deflexed about the middle ... ___... (15) laxiflorus. 
Stem and leaves sparsely hairy ; bracts 
1$ lin. long ; corolla-tube 2 lin, ne 
nearly straight ses a . (16) hylophilus. 
Verticils 4-fiowered; stem puberlous ‘ 
leaves glabrous .. aks . (17) Kuntzei, 
Peduncles of verticils very ll pele 
present and absent on the same plant) : 
Pubescent or hairy herbs : 
Villous all over; leaves suborbicular, 
deeply cut all round into oblong or 
deltoid segments; verticils in 2 
sets of 3-7 flowers ve ... (18) grandidentatus. 
Pubescent ; leaves crenate, not deeply 
cut : 
Verticils 6-12-flowered; corolla 
4 in. long; pedicels reaching 
4 lin, long; nutlets ? lin. in 
diam. smooth ,.. <ee ... (19) Cooperi. 
Verticils 6-flowered ; corolla 1 in. 
or more long ; pedicels 23 lin. 
long; nutlets # lin. in diam. 
rugulose eee - (20) coloratus. 
A glabrous herb;  verticils SAitiateds 
corolla 2 in. long; pedicels reaching 
4 lin. long; nutlets = lin. long, 
smooth . és ae «+» (21) Eckloni. 
** Verticils not pedunculate : 
Corolla-tube straight or nearly so : 
Stems procumbent, often rooting at the 
lower nodes: 
Leaves glabrous : 
Leaves less than 1 in. long; verticils 
4—6-flowered ; corolla white with 
crimson lines) 4, ce aes (22) Thunbergii. 
