552 LABIATA AUDIBERT!A 
MONARDA 
spikes. Calyx bilabiate; its lower lip deeply 2-cleft, the upper 
3-toothed or entire, naked within. Corclla bilabiate ; its upper 
lip spreading, 2-lobed or emarginate, the lower lip spreading, 3- 
lobed, the broad middle lobe emarginate. Stamens two; filaments 
slender, exserted, apparently simple and bearing a linear 1-celled 
anther, or with an articulation, showing that the portion above it 
answers to a filiform connective, the lower end of which sometimes 
projects into a subulate point, but never showing any trace of a 
second anther-cell: rudiments of the posterior pair of stamens 
often present. Nutlets smooth, unchanged when wetted. 
A. ineana Benth. Lindl. Bot. Reg. t. 1469. A much branched hoary 
shrub 1-2 feet high , with ashy-grey shreddy bark: leaves spatulate to ob- 
ovate, obtuse or retuse, entire, thick, an inch or less long, tapering below — 
to a slender petiole: bracts obovate or oval, the innermost spatulate, pu- 
bescent and ciliate, tinged with rose or purple: calyx oblong-campanulate, 
3-4 lines long, pubescent, often tinged with red, somewhat curved, its ob- 
long lower lobes almost as long as the broad emarginate upper one: corolla 
blue, 6-7 lines long, the tube longer than the calyx: stamens long-exserted. 
On rocky banks and ridges, eastern Washington to California, Idaho and 
Arizona. 
10 MONARDA LIL. Sp. 22. 
Perennial or annual erect herbs with dentate or serrate leaves 
and rather large flowers in dense capitate, mostly bracteate and 
bracteolate clusters. Calyx tubular, narrow, 15-nerved, nearly 
or quite equally 5-toothed, mostly villous in the throat. Corolla 
glabrous within, usually pubescent or glandular outside: the tube 
slightly dilated above: the limb bilabiate: upper lip erect or 
arched, emarginate or entire: lower lip spreading, 3-lobed, the 
middle lobe longer or larger than the others. Stamens 2, ascend- 
ing usually exserted, the posterior pair rudimentary or wanting: 
anthers linear, versatile, 2-celled, the cells divaricate, move or less 
confluent at the base. Nutlets ovoid, smooth. 
M. secabra Beck Am. Journ. of Sci. x, 260. M. fistulosa var. mollis 
Benth. Puberulent perennial: stems usually slender, 1-216 feet high. usu- 
ally branched: leaves thick or firm, pale, usually short-petioled, acuminate 
or acute at the apex, rounded narrowed or cordate at base, sharply or 
sparingly serrate, canescent or puberulent or nearly glabrous, 1-3% inches 
long, 6-12 lines wide: heads terminal, solitary: bracts green or tinged with 
pink : calyx puberulent, often hairy at the summit, densely villous in the 
throat, its short subulate teeth nearly erect: corolla yellowish or pink, 
about 15 lines long, pubescent, sometimes glandular: stamens exserted. 
On prairies and plains, Brit. Columbia to Idaho, Arizona, Texas and Neb. 
Tribe 5. Nepetex Benth. in DC.¥Prodr. xii, 368. Calyx usu- 
ally 15-nerved; the wpper teeth or lip commonly longer or larger. 
Corolla distinctly bilabiate. Stamens 4} all fertile: the wpper pair 
longest. 
11 ‘AGASTACHE Clayt. Gronoyv. Fl. Virg. 88. 
LOPHANTHUS Benth. 
Tall erect perennial herbs with serrate mainly ovate petiole 
