28 
Fourteenth class. 
12. Cal. cylindric-tubular . . . Calamintha. 443. 
— Cal. enlarged-campanulate, with a flat limb . 13 
13. Cor.-tube with a ring of hairs inside. FIs violet 
Hormium. 445. 
— Cor.-tube without the ring of hairs inside. FIs white 
Melissa. 444. 
14 (10). Both the cal.-lips entire, the upper one with a scale 
on the back ..... Scutellaria. 461. 
— Lower cal.-lip 2-fid, upper 3-dentate . . . 15 
15. Cal. closed at maturity. FIs 3 together in the axils of 
scarious bracts, forming a short spike Brunella. 462. 
— Cal. open at maturity. FIs 1—3 together in the axils 
of ordinary Is.Melittis. 450. 
16 (9). The 2 upper (inner) stas longer than, or at any rate 
exceeding the 2 lower (outer) .... 17 
— The 2 lower (outer) stas longer than, or at any rate 
exceeding the 2 upper (inner), (in Leonurus the 2 upper 
reaching higher, the 2 lower rather longer) . 19 
17. The upper lip of the cor. swollen in the form of a 
casque. FIs large, violet or blue . Dracocephalum. 449. 
— Upper lip of the cor. flat ..... 18 
18. Middle lobe of the lower lip of the cor. flat. Anthers in 
pairs, their cells forming a cross . . Glechoma. 448. 
— Middle lobe of the lower lip of the cor. concave. Anther 
cells not forming a cross . . . Nepeta. 447. 
19 (16). Stas separated, divergent above . Hyssopus. 446. 
— Stas separated, connivent beneath the upper lip 20 
— Stas close together under the upper lip, parallel (the 
2 longest sometimes bent outwards after emitting pollen) 21 
20. Cal. campanulate, 10-nerved . . Satureja. 441. 
— Cal. tubular, 13-nerved. . . Micromeria. 442. 
21. Ls palmatilobed, with 3—5 lobes . Leonurus. 459. 
— Ls undivided ........ 22 
22. Lower lip of the (red or white) cor. with a broad, ob- 
cordate middle lobe, the lateral lobes very small, sub¬ 
ulate . ..Lamium. 451. 
— Lower lip of the (yellow) cor. with 3 pointed, entire 
lobes ...... Galeobdolon. 452. 
— Lower lip of the cor. with 3 broad, obtuse lobes 23 
23. Lower lip with 2 hollow lumps at its base Galeopsis. 453. 
— Lower lip without the hollow lumps . . . 21 
24. The 2 longer stas bent down outwards after emitting 
pollen.Stachys. 454. 
— The longer stas not bent down outwards after emitting 
pollen ... . . 25 
25. Stas almost equal in length, only as long as the cor.-tube 
Chaiturus. 460. 
— Stas unequal in length. 20 
