140 PENTANDRIA DIGYNIA. [CL. V. 



without a scale at the base ; styles included ; corolla with a cylindrical 



tube longer than the close-pressed calyx. Parasitic on nettles, thistles, 



flax, and other plants : stem long, thread-like, red, branched, twining : 

 flowers in dense round heads, pale-coloured. Annual : flowers in Au- 

 gust and September : not frequent, ing-. Bot. vol. vi. pi. 378. Eng. Fi. 

 vol. ii. p. 24. 403. 



2. C. epilinum. Flax Doddrr. Heads of about five fleshy flowers ; 

 styles included ; corolla with a rounded tube scarcely longer than the 



spreading, bell-shaped calyx. Parasitic on flax : distinguished from 



the preceding by the flowers being fewer in a head, and much more fleshy. 

 Annual : flowers in August and September : discovered by Mr. J.E. Bow- 

 man at Ellesmere, on flax, among which it is supposed to have been intro- 

 duced from the continent. Brit. Fl. 4th ed. p. 109. 404. 



3. C. epithy'mum. Lesser Dodder. Heads of many small flowers ; 

 stameus with a notched scale at the base ; styles projecting from the 

 flower ; corolla with a straight tube, shorter than the funnel-shaped 



calyx. Parasitic on furze, heath, thyme, and other plants : stem 



thread-like, twisted: flowers white. Whole plant smaller than the two 

 preceding. Annual : flowers in July and August : frequent. Eng. Bet. 

 vol. i. pi. 55. Eng. Ft. vol. ii. p. 25. 405. 



48. GENTIA'NA. GENTIAN. 



Calyx inferior, of one leaf, divided into five, sometimes four, 

 oblong, acute, permanent segments. Corolla of one petal ; tubu- 

 lar in its lower part, the limb deeply divided into five, sometimes 

 four, equal segments. Filaments four or five awl-shaped, shorter 

 than the corolla ; anthers oblong. Germen oblong, nearly cylin- 

 drical, pointed. Styles short, erect ; stigmas flat, egg-shaped. 

 Capsule oblong, or elliptical, cylindrical, pointed, slightly cleft, 

 two-valved, one-celled. Seeds numerous, small, compressed, at- 

 tached to the inflected edges of the valves. Named after Genfius, 

 a .king of Illyria. 133. 



1. G. Pneiimontnthe. Mar.-h Gentian. Corolla bell-shaped, five-cleft : 



flowers stalked ; leaves linear. Stems simple, square, from four to 



ten inches high : leaves sessile, obtuse : flowers large, few on each stem : 

 corolla deep-blue, with five prominent, pale-greenish angles. Perennial : 

 flowers in August and September: grows in moist pastures and marshes, 

 in Norfolk and the north of England : not common. Eng. Bot. vol. i. 

 pi. 20. Eng. Fl. vol. ii. p. 27. 406. 



2. G. vfrno. Spring Gentian. Corolla salver-shaped, crenate, five- 

 cleft ; segments lobed at the base ; leaves egg-shaped, crowded. 

 Stems short, each bearing a single blue flower. Perennial : flowers in 

 April : grows in mountainous pastures : rare. Found in Teesdale Forest 

 abundantly, by the Rev. J . Harriman and Mr. Oliver, and in various parts 

 of Ireland'. Eng. Bot. vol. vii. pi. 493. Eng. Fl. vol. ii. p. 29. 407. 



3. G.nivdlis. Small Alpine Gentian. Corolla funnel-shaped, five-cleft, 

 with notched intermediate segments ; branches alternate, one-flowered. 



Stem erect, from one to four inches high, bearing from two to ten 



flowers: leaves small, elliptical, acute: corolla bright-blue, with a 

 greenish tube. Annual : flowers in August : found on Ben Lawers by 



