MINT FAMILY 747 



Leaves and the angles of the stem coarsely hispid. 1. S. asperrima. 



Leaves and stem softly pubescent. 



Lateral lobes of the lower corolla-lip large, half as broad and three-fourths as long as 



the middle one. 2. S. ampla. 



Lateral lobes of the lower corolla-lip small, scarcely half as long as the middle one. 

 Stem glabrous below; leaves short-pubescent or glabrate. 3. S. Leibergii. 



Stem pubescent throughout; leaves loosely villous. 



Leaves oblong-ovate or cordate; corolla 1215 mm. long; calyx lobes almost 

 equalling the calyx-tube. 4. S. teucriformis. 



Leaves oblong-lanceolate; corolla 10-12 mm. long; calyx-lobes decidedly 

 shorter than the calyx-tube. 5. 5. scopulorum. 



1. S. asperrima Rydb. Stem stout, 4-6 dm. high, coarsely hispid on the 

 angles, with spreading or reflexed hairs; leaves nearly sessile, oblong, elliptic, or 

 oblong-lanceolate, 5-8 cm. long, coarsely crenate, hispid above, hispid on the 

 veins and also puberulent beneath; corolla purplish, 10-12 mm. long, puberu- 

 lent, and more or less hirsute on the lips outside. Valleys: Utah. Son. Jl. 



2. S. ampla Rydb. Stem 5-7 dm. high, softly hirsute and more or less 

 viscid; leaves ovate to lanceolate, 5-10 cm. long, sessile or nearly so, crenate- 

 serrate, softly pubescent on both sides; corolla rose-colored or pink, about 15 

 mm. long, somewhat puberulent without. Meadows: Black Hills, S.D. Sub- 

 mont. Au. 



3. S. Leibergii Rydb. Stem 3-6 dm. high, sharply angled, glabrous below, 

 softly hirsute above; leaves sessile, lanceolate, 4-8 cm. long, crenate-dentate, 

 pubescent on both sides with short appressed hairs or in age glabrate; corolla 

 about 12 mm. long, rose-colored, glabrous. Low meadows: Ida. B.C. Sub- 

 mont. Jl-Au. 



4. S. teucriformis Rydb. Stem 4-6 dm. high, glandular-villous; lower 

 leaves short-petioled, the upper sessile; blades 5-10 cm. long, crenate, pubescent 

 on both sides; corolla light rose, with reddish-purple veins and blotches. Wet 

 meadows: Colo. Wyo. Submont. Jl-Au. 



5. S. scopulorum Greene. Stem 3-6 dm. high, softly hirsute with spread- 

 ing hairs and more or less glandular; leaf -blades serrate, 5-10 cm. long, softly 

 pubescent on both sides; corolla rose, lilac, or purplish, blotched. Wet meadows: 

 Minn. N.M. Utah Wash. Mack. Plain Submont. Jl-S. 



16. GALEOPSIS L. HEMP NETTLE. 



Annual herbs. Leaves opposite, petioled. Flowers perfect, in several axil- 

 lary verticils. Calyx 5-ribbed, with 5 subequal lobes. Corolla dilated at the 

 throat; upper lip ovate, arched, entire; lower Up 3-cleft, with an obcordate middle 

 lobe; palate with 2 teeth at the sinuses. Stamens 4; anthers all 2-celled. Nut- 

 lets ovoid, slightly flattened, smooth. 



1. G. Tetrahit L. Stem 3-10 dm. high, swollen below the nodes; leaf-blades 

 ovate, coarsely serrate, 5-15 cm. long; corolla purple or pink, variegated with 

 white, 15-25 mm. long, twice as long as the calyx. Waste places: Newf. N.C. 

 (Black Hills) S.D. Alaska; nat. or adv. from Eu. Je-S. 



17. PYCNOSPHACE (Benth.) Rydb. THISTLE SAGE, CHIA. 



Annual herbs. Leaves opposite, mainly basal, pinnately lobed. Flowers 

 perfect, capitate-yerticillate, with persistent, spinulose-toothed bract-like floral 

 leaves. Calyx 2-lipped; upper lip incurved, 3-toothed; lower lip 2-parted; teeth 

 spinulose-aristate. Corolla open; tube pilose-annulate inside; limb 2-lipped; 

 upper lip 2-lobed. Stamens separate, remote from the upper lip; lower branch 

 of the long filiform appendaged connective carrying a pollen-bearing anther-cell. 

 Nutlets smooth. 



1. P. Columbariae (Benth.) Rydb. Winter annual; stem 1-5 dm. high, 

 retrorsely strigose or hispidulous, leafy below; leaves petioled, deeply once or 

 twice pinnatifid into oblong crenate obtuse divisions, rugose, strongly veined 

 beneath, canescent-hirsutulous; floral leaves and bracts broadly ovate, entire, 

 abruptly acuminate, spinulose, puberulent, often purplish; corolla blue, 8-10 

 mm. long, slightly exceeding the calyx. Salvia Columbariae Benth. Hillsides 

 and sandy plains: Calif. Utah Ariz. Son. Mr-Jl. 



