288 SUMMER FLOWERS. 



with a slender tube, and a spreading, five-cleft limb. Dry 

 pastures and sandy places. Fl. July, August. The following 

 are probably forms or varieties : 



E. pulchella : more branched, with numerous flowers, the 

 tube of the corolla not much longer than the calyx, and the 

 lobes of the limb narrow. Sandy places. 



E. latifolia : dwarf with rather large flowers and broad 

 leaves. Sandy sea shores. 



E. littoralis: much branched, usually small, with very 

 narrow leaves and rather large flowers, often dwindled down 

 to a simple stem half an inch high, with a single flower. 

 Sandy sea shores. 



(205) Gentiana. GENTIAN. 



G-. Amarella: annual; stems erect, much-branched, J- 

 foot high, often with a purplish tinge ; leaves ovate or lanceo- 

 late ; flowers numerous, crowded, or sometimes forming a loose, 

 oblong, leafy panicle, pale purplish- blue ; calyx divided to the 

 middle into five narrow-lanceolate, nearly equal lobes ; corolla- 

 tube broad, fringed at the throat, the limb spreading, divided 

 into five ovate or oblong lobes. Dry hilly pastures. Fl. 

 August, September. 



G. campestris much resembles this, but is usually stouter, 

 more branched, and more crowded with leaves and flowers; 

 it is known by the parts of the flower being in fours, not in 

 fives, and by two of the lobes of the calyx being broadly ovate, 

 overlapping two other narrow ones. [See also p. 59.] 



(206) Chlora. 



C. perfoliata : annual ; stems erect, stiff, J-2 feet high, 

 pale glaucous green ; leaves in a spreading tuft, elliptic- oblong, 



