LXXV. LABIATE 
401 
leaves bract-like, hairy, purple-margined, broadly ovate, acute, 
overlapping. Calyx tinged with purple, bell-shaped, 2-lipped ; 
upper lip broad, 3-toothed ; lower deeply 2-lobed ; mouth closed 
after flowering time. Corolla-tube broad, slightly longer than the 
calyx ; limb 2-lipped, upper lip erect, hood-like, notched, lower 
spreading, 3-lobed, mid-lobe largest, minutely toothed. Stamens 4, 
in unequal pairs, ascending under the upper lip ; filaments bearing 
a small tooth below the anthers. 
Simla, roadsides, common ; March-October. — Hilly districts throughout 
India, ascending to 10,000 ft. — Most temperate regions (Britain, Self-heal). 
20. CRANIOTOME. From the Greek cranion, the skull, and 
tome, a section ; referring to the almost truncate limb of the 
corolla. — Himalaya ; a single species. 
Craniotome versicolor, JReichb. ; Fl. Br.Ind. iv. 671. A softly 
hairy, erect, branching herb, 1-3 ft. Leaves stalked, cordate, 
broadly ovate, about 3x2 in., toothed. Flowers very numerous, 
minute, white, pink or yellow, crowded in small, stalked cymes 
forming narrow, terminal panicles. Calyx ovoid, equally 5-toothed, 
enlarged in fruit. Corolla-tube much longer than the calyx ; limb 
2-lipped, upper lip very short, erect, hood-like, lower longer, 
spreading, 3-lobed, mid-lobe largest. Stamens 4, in unequal pairs, 
2 D 
