MINT FAMILY. Labiates. 



Scutellaria 

 nervosa 

 Pale blue° 

 violet 

 June-August 



Self-heal or 

 HeaUall 



Prunella vul- 

 garis or Brii- 

 nella vulgaris 

 Purple, light 

 or deeper 

 June- 

 September 



Flowers a trifle more than ^ inch long. 

 Leaves about an inch long, roundish or 

 ovate, slightly toothed, and the lower ones 

 shghtl}^ heart-shaped. The floral leaves 

 toothless. Stem smooth and slender, 1-2 

 feet high. Moist woods and thickets, N. Y. and N. J., 

 south to N. Car., and west to Mo. 



A very common low perennial with gen- 

 erally a single stem, and tubular, two- 

 lipped, hooded flowers proceeding from a 

 spike or head of closely set, sometimes 

 rusty colored green, floral bractlike leaves. 

 The name (of uncertain origin) said to be 

 from the German hrauney a throat dis- 

 ease. Flower tiny, purple, but sometimes 

 flesh color or white, the lower lip slightly 

 fringed. Generally fertilized by the bumblebee, Bomhiis 

 perinsylvanicus being a frequent visitor ; the common 

 yellow butterfly Colias jJ^^i^odice is also a constant 

 attendant. Leaves ovate-oblong, narrowing toward the 

 tip, slightly or imperceptibly toothed, stemmed, with 

 generally two small bractlike leaves at the base of the 

 stems. Plant-stem slightly hairy. 6-13 inches high. 

 Very common along roadsides, and on the borders of 

 woods and fields. Across the continent. 



A smooth perennial with upright, slen- 

 der stem, stemless lance-shaped leaves 

 mostly toothed, and large, 1 inch long, 

 showy flowers crowded in terminal, leaf- 

 less spikes. Flower pinkish pale lilac, often 

 variegated with white, and funnel-shaped, 

 the upper lip a little hooded, the lower 

 three-parted ; the throat inflated. Plant-stem smooth, 

 1-4 feet high. Wet grounds, from northern Vt., west- 

 ward and southward. Very variable. The var. denticu- 

 lata, slender and generally low, with scallop- toothed, or 

 imperceptibly toothed leaves, and very slender flower- 

 spikes. Moist situations, Vt., south, and west to S. Dak, 

 and Neb. 



False Dragon- 

 head 



Physostegia 

 Virginiana 

 Pink-lilac or 

 lighter 

 July-August 



406 



