LABI ATA E (MINT FAMILY) 



7 LAB1ATAE. Mint Family. 



1 a Plant cultivated for the variegated leaves 



30. Coleus. p 208 

 b Plants not cultivated for the variegated leaves 2 



2 a Calyx with a protuberance on the upper side 



4. Scutellaria. p 205 

 b Calyx not with a protuberance as in a 3 



3 a Leaves palmately 3-5-cleft; calyx with spiny teeth; 



corolla woolly 12. Leonurus. p 206 



b Leaves not palmately 3-5-cleft 4 



4 a Calyx with prickly-pointed teeth about 1 A in. or more 



long n. Galeopsis. p 206 



b Calyx not completely as in a 5 



5 a Plants creeping or ascending with rounded or ovate- 



heart-shaped leaves 6 



b Plants erect or ascending; leaves not rounded 7 



6 a Calyx about i5-nerved; upper lip of corolla 2-lobed or 



notched 8. Glecoma. p 206 



b Calyx 5-nerved ; upper lip of corolla entire 



13. Lamium. p 206 



7 a Bracts subtending each 1-3 flowers ^4 in. or more broad, 



ovate, entire, conspicuous, overlapping; spike 1-4 in. 



long 9. Prunella, p 206 



b Bracts subtending flowers not completely as in a 8 



8 a Anther-bearing stamens 2 9 



b Anther-bearing stamens 4 15 



9 a Stamens longer than the corolla tube or extending be- 



yond it 10 



b Stamens not extending beyond the corolla 13 



10 a Flowers i in. or more long 16. Monarda. p 207 



b Flowers ^ in. or less long n 



11 a Flowers light-yellow; leaves 4-8 in. long 



29. Collinsonia. p 208 

 b Flowers purplish 12 



12 a Flowers in loose cymes; stamens about twice as long as 



the corolla 26. Cunila. p 207 



b Flowers in interrupted spikes or whorls ; stamens only 



slightly longer than the corolla. ... 17. Blephilia. p 207 



13 a Flowers % in. or more long; anthers with long con- 



nectives jointed to the short filament. . 15. Salvia. p 206 

 b Flowers about }4 in. or less long; anthers not as in a. . 14 



14 a Corolla nearly regular, deeply 4-lobed ; plants not aro- 



matic 27. Lycopus. p 207 



b Corolla conspicuously 2-lipped ; plant aromatic 



1 8. Hedeoma. p 207 



15 a Calyx teeth with hooked bristles.. 5. Marrubium. p 206 

 b Calyx teeth not with hooked bristles 16 



204 



