MINT FAMILY 745 



2. A. pallidiflora* Heller. Stem 6-10 dm. high, cinereous-puberulent ; leaf- 

 blades ovate or cordate, crenate, puberulent, 3-5 cm. long, acute; spikes 4-8 cm. 

 long, about 2 cm. thick; corolla about 14 mm. long, pale pink. Brittonastrum 

 pallidiflorum Heller. A. montana Greene. Mountains: Colo. N.M. Ariz. 

 Submont. Mont. Jl-S. 



3. A. urticifolia (Benth.) Rydb. Stem stout, 5-10 dm. high, glabrous or 

 minutely puberulent; leaf-blades cordate, coarsely dentate, 3-10 cm. long; spike 

 very dense, 2-10 cm. long, 2.5-3 cm. thick; corolla rose or violet, about 15 mm. 

 long. L. urticifolius Benth. Hillsides and valleys: Mont. Colo. Calif. 

 B.C. Submont. Mont. My-Au. 



8. NEPETA L. CATNIP, CAT MINT. 



Perennial or annual caulescent herbs. Leaves broad, toothed or incised, 

 pubescent. Flowers perfect, in axillary cymes, clustered. Calyx inflated in 

 age, 15-ribbed, incurved; lobes 5, the upper slightly longer than the lower. Cor- 

 olla white or blue; throat enlarged; upper lip erect, entire or notched; lower lip 

 3-lobed, with large middle lobe. Stamens 4, didymous, exserted; anthers with 



2 diverging sacs. Nutlets flattened, smooth. 



1. N. Cataria L. Perennial; stem densely tomentulose, 6-10 dm. high; leaf- 

 blades ovate or cordate, coarsely crenate, 2-8 cm. long, green above, densely 

 white-tomentose beneath; flower-clusters spicate at the end of the branches; 

 calyx densely puberulent, its lobes subulate; corolla white or pale purple, dark- 

 dotted, 10-12 mm. long. Waste places and around dwellings: N.B. Va. 

 Utah Ore.; nat. from Eu. Plain Submont. Jl-N. 



9. GLECOMA L. GROUND IVY, GILL-OVER-THE-GROUND. 



Low creeping perennial herbs. Leaves opposite, long-petioled. Flowers 

 perfect, in axillary verticils. Calyx-tube short-tubular, 15-nerved, oblique, 

 unequally 5-toothed. Corolla 2-lipped; tube exserted, enlarged above; upper lip 

 erect, 2-lobed or emarginate; lower lip spreading, 3-lobed, the middle lobe broad, 

 emarginate. Stamens 4; anther-sacs divergent. Nutlets ovoid, smooth. 



1. G. hederacea L. Stem pubescent, 3-5 dm. long; leaf-blades orbicular or 

 reniform, crenate, 1-4 cm. broad; calyx-teeth lanceolate, acuminate; corolla 1.5-2 

 cm. long, light blue, three times as long as the calyx. Waste places, roadsides, 

 and thickets: Newf. Ga. Colo. Mont.; nat. from Eurasia. Plain Sub- 

 mont. Mr-My. 



10. MOLDAVICA (Tourn.) Adans. DRAGON'S HEAD. 



Herbs, with blue or purple flowers, in axillary and terminal bracted clusters. 

 Leaves mostly toothed or dissected. Calyx tubular, 15-nerved, 5-toothed, or 

 2-lipped, with the upper 3 teeth more or less united. Corolla enlarged above, 

 2-lipped; upper lip erect, emarginate; lower lip spreading, 3-lobed. Stamens 4, 

 the upper the longer, all fertile; anthers more or less approximate in pairs; sacs 

 divergent. Nutlets ovoid, smooth. [Dracocephalum L., in part.] 



1. M. parviflora (Nutt.) Britton. Annual or biennial; stem finely puberu- 

 lent, 2-6 dm. high; leaf -blades lanceolate, ovate, or oblong, coarsely serrate, the 

 upper with spinulose-tipped teeth; bracts pectinate, with awn-pointed teeth; 

 upper tooth of the calyx longer than the rest; corolla light blue, scarcely longer 

 than the calyx. D. parviflorum Nutt. Hillsides and valleys: N.Y. Neb.- 

 N.M. Ariz. Alaska. Submont. Mont. Je-Au. 



11. PRUNELLA L. SELF-HEAL, HEAL-ALL, CARPENTER WEED. 



Perennial caulescent herbs, with rootstocks. Leaves opposite, petioled, 

 toothed, pubescent. Flowers perfect, irregular, in axillary clusters, toward the 

 end of the stem forming a leafy spike-like inflorescence. Calyx 2-lipped, closed 

 at maturity; tube 10-ribbed; upper lip truncate, slightly 2-lobed, the lower with 



3 narrow lobes. Corolla purple or white, 2-lipped; upper lip arched; lower lip 



