240 Class XIV. Order T. 



falls this lid shuts down against the opposide side, so as perfect- 

 ly to inclose the seeds. By lateral pressure the lid opens, dis- 

 covering the four seeds within Meadows. July. Perennial. 



SctJTELLAIUA GALERICULATA. L. Common ScullcCtp. 



Leaves cordate-lanceolate, crenate, wrinkled ; flow- 

 ers axillary. 



A foot high with a square, branching stem. Leaves slightly 

 petioled. Flowers larger than in the preceding, blue, project- 

 ing in pairs, one from each axil of the opposite leaves. Calyx 

 closed like the foregoing. Meadows. July. 



250. PRUNELLA. 



PRUNELLA VULCARIS. L. Self HeaL 



Leaves petioled, ovate-lanceolate, toothed ; upper 

 lip of the calyx truncated, three awned ; stem ascend- 

 ing. 



Syn. PRUNELLA PENXSTL VANICA. 1st edit. 



A handsome plant, native of meadows and moist pastures. 

 Stem nine or ten inches in height, hairy. Leaves opposite, 

 broad-lanceolate, slightly toothed, their nerves and petioles 

 haiiy, the upper pair close to the spike and sessile. Spike 

 short, ovate. Bractes reniform, ciliate, acuminate. Flowers 

 ringent, purplish. Calyx two lipped, the upper lip broad and 

 abrupt, with three straight, short bristles or awns ; the lower 

 lip ending tn two acute teeth. Upper lip of the corolla arched, 

 lower lip three lobed, the middle lobe fringed. July, August. 

 Perennial. 



This plant agrees exactly with European specimens, and I 

 am now doubtful whether P. Pennsylvanica of Willdenow be any 

 more than a variety. 



251. TRICHOSTEMA. 



TRICHOSTEMA DICHOTOMA. L. Trichostema. 



Stamens very long, exserted. L. 



An annual plant, i^emarkable for its long, arching stamen?. 

 Stem round, somewhat four sided, hairy. Branches opposite, 

 subdivided in a brachiate manner, their last divisions commonly. 



