MINT FAMILY. Labiatas. 



A coarse, stiff, aromatic perennial natu- 

 Hyssopus ralized from Europe. Slender-stemmed 



officinalis and lance-leaved ; the leaves stiff and 



Pale violet pointed at either end. The tubular flowers 

 June-Sep- with projecting stamens, crowded at the 



angles of the leaves at the upper part of 

 the plant. 1-3 feet high. Waste places and roadsides 

 near dwellings, from Me., south to N. Car., and west. 



This is a stout and stiff-stemmed species 

 Mountain with a slight fragrance of mint ; but unlike 



PycLnthemum ^^^ ^^^^^^ ^^^ *"^^ ^^'^'^^^ ^^^ ^orne in 

 lanceolatum a somewhat flat-topped cluster. Leaves 

 White stemless or nearly so, lance-shaped, tooth- 



purple=dotted iggg^ and slightly aromatic ; stem smooth 

 " ^" or very slightly hairy, and very leafy. 



The flowers lilac-white, purjDle-spotted, 

 standing out from the globular heads. 1-3 feet high. 

 In dry fields, or pastures, or on the borders of thickets, 

 from Vt. and Mass., south to Ga., west to Minn, and 

 Neb. The name meaning crowded flower-clusters. 



A similar species, with smooth linear 

 Pycnanthemum leaves, sharp-pointed and light green. 



White'"" ^^^^ ^^®"^ ^^^ ^^^^'^^ ^^^^- ^^^^ *^"^^ flowers 



purple^dotted '^^'hite, speckled or dotted with purple. 1- 



2 feet high. Dry fields, N. H., south, and 

 west to Minn, and Tex. Found in Campton, N. H., but 

 rare ; occasional in Vt. 



A small annual, exceedingly odorous, 

 American usually found in dry pastures. The stem 



He""onm^ erect, finely hairy, with upward-reaching 

 pulegioides branches ; the small light olive-green 

 Pale light leaves with few teeth, ovate lance-shaped. 



^'***^* blunt-pointed, and narrowed at the base. 



tember**'" The tiny pale violet or lavender, tubular 



flowers with a three-lobed under lip. Fer- 

 tilized mostly by bumblebees, honeybees, and the smaller 

 bees. 6-15 inches high. Common in dry fields every- 

 where, but not found in Campton, N. H., nor any-where 

 in the vicinity of the White Mts. The essential oil of 

 Pennyroyal is said to be efficacious in driving away 

 mosquitoes. 



39^ 



