414 XCIII. LABIATAE. 
FIG. 51.—1. Monardadidyma. 2. An anther enlarged. 3. Flower of Galiopsis Tetrahit. 4. One ofits 
stamens, much enlarged. 5. The calyx opened, showing the 4 achenia. 6. Flower of Salvia Sclarea. 
8. Flower of Ocimum basilicum. 9, Flower of Nepeta Glechoma. 10. A pair of the anthers forming a 
cross. 11. Flower of Physostegia Virginica seen from beneath. 12. One ofits stamens. 13. The ovaries 
with the rudimentary filament. 14. Flower of Teucrium Canadense. 15. Flower Nepeta Cataria. 
16. One ofits anthers. 17. Cunila Mariana. 18. A calyx and style.. 
Conspectus of the Genera. * Flowers diandrous. 
; Bracts whitish. . Blephilia. 8 
; ; Corolla not yellow. ?Bractsgreen.. . Hedeoma. 18 
iMag p conmecitle erect, short. ¢Corolla yellow... . - «+ Collinsonia. 16 
bilabiate. ? Connectile transverse, long; anthers dimidiate. . . . . Salvia. 9 
§ Herbs. - «+ Cumila: 17 
we 5 Vineet lip emarginate.?@Shrubs.  . . . 
5 cule bilabiate. ? Upper lip linear, embracing the filament. . Monarda. 7 
Calyx \ subequal. 2 Corolla subregular, 4-lobed. 2 ; F 3 g 3 p . Lycopus, 6 
** Flowers didynamous. 
Lips of calyx § Filaments simple. Melissa. 20 
toothed . . .? Filaments forked. Prwnelia. 22 
Tube of corolla ; Stamens ascending. ( Lips of the calyxentire. .  .. Sewtellaria. 21 
exserted. ... ¢@Stamens very long, arching the 5-cleft limb of corolla. © Trichostemma. 35 
Calyx Lorena a scarcely exsert. rtoden: 13 
bilabiate. | Tube of the corolla scarcely longer than calyx. ? Stamens exserted. anum. 12 
+ 
equal. Hyssopus. 15 
§ Cal. 15-nerved, 5 eae. Lophanthus. 24 
z Flowers Dracocephalum. % 
S Bracts 4 spicate. ¢ calyx 10-nerved. . . Satureja. 14 
a=) = gage green. ( Flowers capitate, involucrate. . Pycnanthemum.11 
ee Corollabilabiate.( Bracts colored. . . . ... « Origanum. 12 
zw & (Stamenserect, Corolla limb of 4 subequal lobes, one of them emarginate. . Mentha. a 
© 6|or divergent. (Corollalimbofs5equallobes. . . . .. . ~~. ~ « Jsanthus. 5 
=} Calyx 5-ribbed. . . Lamium. 28 
8 € ( Leaves crenate. ? Calyx 15-ribbed.. . Nepeta. 23 
re ' j Plants glabrous. Physostegia. 26 
5 included beneath 1 Leaves sharply serrate. ? Plants hairy. . Baillota. 33 
=| = | Stamens as-4 the upper lip. . . | Leaves entire, lance-linear and elliptic. . Microm . 19 
e/3 cending and ( exserted through the fissure of the upper Jip of corolla... _. Teweriwm. 36. 
o)2 Upper lip of the corolla 2-lobed. Lavandula. 2 
2le : § Corolla not spurred. 2? Upper lip of the corolla 4-cleft. um. 1| 
a | & (Stamens declinate. 2 Corolla tube spurred. «elle sale Stone een 
E Leaves ; Lower lip of the corolla with 2 lateralteeth.  Galeopsis. 30 
’ undivided. ¢ Lower lip of the cor. with lateral lobes reflexed. Stachys. 31| 
° re ae event. hi atoms 3-lobed. . hice Sa Leonurus. — 
alyx 4- ed. Upper pair of anthers cohering, halfempty. . 4 : ~ . ‘a. 
Calyx subentire, very large, campanulate. : : ¥ : a Fi a . Molwcella. 34 
Calyx 10-toothed, the alternate teeth shorter... . . . « «© « « 
