BLUE AND PURPLE FLOWERS 
Wild Bergamot (Monardafistulosa). Mint family. July, 
August. 
A perennial, two to four feet high, generally with hairy stem, 
particularly at the joints. The magenta-purple flowers are in a 
large terminal head. The calyx is hairy inside; the corolla 
(one inch) is two-lipped, hairy, with stamens protruding. Leaves 
broadly lance-shaped, upper variegated. Fields and roadsides. 
Common about Woodstock, Vermont. Named after Nicholas 
Monardes. 
Peppermint (Mentha piperita). Mint family. July, 
August. 
A branching perennial, one to three feet high, with flowers in 
dense interrupted spikes. The flowers (light-purple) are small, 
the corolla tubular, four-cleft, one lobe broader; stamens four. 
Leaves oblong to lance-shaped and unevenly toothed, with 
stalks. An escape. Spearmint (M. spicata) is similar, but its 
spike is continuous, and its leaves without stalks, or with very 
short ones. 
Self-heal {Prunella vulgaris). Mint family. Jime to 
September. 
A low perennial. Little purpUsh flowers in thick oblong spike 
or head, perhaps an inch long when flowering, longer in fruit; 
calyx and corolla two-lipped, upper lip of corolla hooded. The 
leaves have stalks and are oblong, sometimes toothed. Common 
everywhere. From the German Braiine, a throat disease. 
Blue Vervain {Verbena hastata). Vervain family. July 
to September. 
An upright perennial with rough stem. The small purple 
flowers are in slender spikes, few flowers blossoming at once; 
calyx five-pointed, corolla salver-form with five-cleft border; 
stamens four, not projecting; bract of flower short. Leaves 
long-pointed, sharply toothed, lower often lobed. Common in 
waste places. Latin name signifies sacred herb. 
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