ORDER 89.—LABIATE PLANTS. 255 
Analysis of the Genera. 
§ Flowers with only 2 perfect stumens....7 
§ Flowers with the 4 perfect stamens all declining to the lower lip....a 
§ Flowers with the 4 perfect stamens erect or ascending to the upper lip....2 
2 Stamens of equal length. Corolla almost regular, 4 or 5-lobed....¢ 
2 Sta., the upper pair longer than the lower (outer). Calyx 138-15-veined....& 
2 Stamens, the lower pair longer than the upper (interior) pair....8 
8 Stamens diverging apart, mostly straight and exserte@....6 
8 Stamens parallel, ascending and long-exserted from the upper side....b 
8 Stamens parallel, ascending in pairs beneath the upper lip....4 
4 Calyx 18-veined, 5-toothed, and somewhat 2-lipped....g 
4 Calyx 5-10-veined or irregularly netted....5 
5 Calyx strongly 2-lipped, upper lip truncate, closed in fruit....m 
5 Calyx not labiate, 3 or 4-lobed, open in fruit....n 
5 Calyx subequally 5-toothed, teeth not spinescent....0 
5 Calyx subequally 5-toothed, teeth ending in sharp spines....q 
5 Calyx unequally 8-10-toothed....s8 
6 Calyx hairy in the throat, mostly labiate....f 
6 Calyx naked in the throat, mostly equal, 5-toothed....e 
7 Stamens ascending beneath the galea (upper lip). Anthers 1-celled....h 
7 Stamens exserted, distant. Anthers 2-celled. ..d 
a Corolla upper lip 4-lobed, lower entire, flattish. t+ Sweet Basil. O/crmum. 
a Corolla upper lip 4-lobed, lower saccate, deflexed. S. Hyptis. Hyems. 
a Corolla upper lip 2-lobed, lower 8-lobed, long, lilac, + Lavender, Lavan/puLa, 
b Stamens exserted through a fissure in the tube. Blue Curls. Trictios’TEMA. 
b Stamens very long, involute, arching the corolla. Germander, TEv/crium. 
ce Corolla limb equally 5-lobed. Stamens short.  Blue-false-Gentian. Isan’tuvs, 
ce Corolla limb 4-lobed, the broadest lobe notched. Peppermint, &c. Mentua, 1 
a Cor. nearly reg., 4-cleft. Calyx naked in throat. Water Hoarhound. Lyo’opus. 2 
d Corolla labiate, cyanic, throat naked. Stam. straight.  Dittuny. Cunt’La. 3 
d Cor. labiate, cyanic, throat naked. Stam. ascend. Pennyroyal. Heve’oma. 
d Corolla labiate, yellow, throat hairy. Stamens 
long-exserted. Hlorse-balm. CoLinso’nia. 
e Fls.yel. Coarse herbs not fragrant, with large lvs. 
e Fls. bright blue. Handsome herbs. Calyx 15-veined. + Hyssop. Hys’sorvs. 
e Fls. pale blue, in dense hds, Calyx 10 or 13-striate. Wild Basil. Pycnan’THEMUM. 
e Fis. pink-colored, axillary. Lvs, linear, small. ¢ Swmmer Savory. SaTureE’sa. 
f Corolla exserted, pink-color, racemed. Leaves linear, smooth. Stem If. 8. 
; Diceran’pRa. 
f Corolla short as calyx, pale-purple. Bracts roundish, colored. 
Marjoram. Onie’anuM, 
f Corolla short as calyx, blue-purp. Bracts minute, green, Ziyme, Tuyuus, 
