Stachys. | LABIAT (Skan), 339 
Perennial : calyx-teeth subulate and more or 
less spinescent at the apex: 
Plant dark brown when dry; stem and 
branches sparingly Tr or — 
often distinctly scabrous .. . (16) seabrida. 
Plant usually greenish when rae ; sk sie 
branches variously hairy or glabrous, not 
distinctly scabrous : 
Leaves scarcely cordate at the base ; whorls 
several, 2-flowered ; calyx purplish ., . (22) flexuosa. 
Leaves not cordate at the base; whorls 
solitary, terminating the slender 
branches, 4—6-flowered ; calyx green... (17) Harveyi. 
Leaves usually distinctly cordate at the 
base; whorls several, 2- to many- 
flowered ; calyx green: 
Calyx narrowly abeoniens at the base, 
somewhat abruptly —— above 
the middle ... .. (20) fruticetorum. 
Calyx campanulate or tubulage -campanu- 
late, not abruptly enlarged above the 
middle : 
Calyx often conspicuously glandular- 
puberulous ; 
Whorls usually 4-6-flowered ; calyx- 
teeth very narrow at the “= 
spinescent apex .. ‘se . (15) ethiopica, var. 
glandulifera. 
Whorls 2-flowered; calyx - teeth 
broader, acute, not or only 
slightly spinescent yea .. (18) Rudatisii. 
Crap alia giant bb vartouity tate: 
Plant more or less densely short- 
velvety or long-silky hairy : 
Leaves 9-15 lin. long, 6-11 lin. 
broad ; calyx up to 54 lin. long: 
Leaves deltoid-ovate ; . a of 
flowers few, distant .. (14) parilis. 
Leaves usually ovate or ovate- 
rounded ; whorls of flowers 
several, usually close .. (11) Galpini. 
Leaves 4-10 lin. long, 4-8 lin. 
broad; calyx up to 3 lin. 
long : 
Teeth of the leaves small and 
regular, often 10-12 or 
more pairs 
Corolla - tube 2} lin. long, 
shorter than the iver 7a 8) serrulata. 
Corolla-tube 4 lin. long, much 
longer than the calyx ... (9) malacophylla.. 
Teeth of the leaves relatively 
large and irregular, = 
not more than 5 pairs . (19) attenuata. 
Plant nearly glabrous or more or ne 
stiflly hairy, sometimes densely : 
Calyx with a few long pallid hairs (25) Priori. 
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