390 D1DYNAMIA ANGIOSPERMIA. 



273. SCUTELLARIA. Skull-cap. 



S. ga'.sriculata : somewhat branched; leaves cordate-lanceolate, sub- 

 sessile, crenate ; flowers axillary, solitary. 



S. lateriftora : much branched, smoothish ; leaves on long petioles, 

 ovate, dentate, sometimes cordate, membranaceous ; racemes lateral, 

 leafy. 



HAB. Wet meadows. July Aug. 1\. ; stem 1 2 feet high ; ra- 

 cemes long ; Jlower small, blue. 



274. TRICHOSTEMA. Blue curls. 



T. dichotoma : leaves rhombic lanceolate, attenuate at the base, pu- 

 bescent. 



HAB. Dry hills. July Sept. <v) ; plant aromatic; stem 6 10 

 inches high, branch. ; Jlower blue. 



T. linearis : leaves linear, smoothish. 



HAB. Sandy fields; stem viscidly pubescent. 



ANGIOSPERMIA. 

 275. PHRYMA. 



P. leptostachya. 



HAB. Rocky woods. July Aug. 7J. ; stem 23 feet high ; leaves 

 loose, ovate, dent. t petiol. ; spikes very long, slender ; Jlower pur- 

 ple ; fr. rejlex. 



276. VERBENA. Vervain. 



* Leaves laciniate. 



V. hastata : erect, leaves lanceolate, acuminate, incisely serrate ; infe- 

 rior ones lobed or subhastate ; spikes filiform, erect, panicled ; flow- 

 ers tetrandrous. 



HAB. Low grounds. July Aug. 1J.; stem 3 5 feet high; leaves 

 rough ; Jlower purple. 



V. spuria : stem decumbent, much branched, divaricate ; leaves many- 

 Cleft ; spikes filiform, loose ; bracts longer than the calyx. 



HAB. Sandy fields. Aug. November, , J*; stem 1 2 feet 

 long ; leaves scabrous ; Jlower pink. 



* * Leaves entire. 



V. urticifolia : erect, subpubescent ; leaves oval-acute, serrate, petio- 

 late, spikes filiform, loose, axillary and terminal ; flowers tetran- 

 drous. 



HAB. Fields and road-sides. July Aug. 1J.; stem 2 3 feet high ; 

 spike not imbric. ; Jlower white. 



V. angust ifolia : erect, mostly simple; leaves linear-lanceolate, at- 

 tenuate at the base, remotely toothed, with elevated veins; spikes 

 filiform, solitary, axillary, and terminal. 



