86 PENT AND. DIGYN. 



the different states of the plant, the flowers, leaves and fruit, should 

 be carefully examined from the same individual tree. U.montana 

 produces good timber. The inner bark is esteemed antiscorbutic, 

 and the Highlanders also make ropes of it. Lightf. p. 1094. 



40. CUSCUTA. 



1. C. europtea (greater Dodder], flowers sessile, cor. 4 5-cleft 

 without any scale at the base of the stam., stigmas simple. 



JS.a.1.378. 



HAB. Parasitic on nettles, flax, &c., rare. On lint, in a field near 

 Mtisselburgh, Mr. P. Neill. Fl, Aug. Sept. 0. 



Stems filiform, long, red, climbing, with small tubercles for roots, per- 

 fectly leafless. Flowers clustered, pale yellowish rose colour. 



2. C. Bpilhymmn (lesser Dodder), flowers sessile, cor. mostly 4- 

 cleft with a small fringed scale at the base of each stam., stig- 

 mas simple. Lightf. p. 1090 (C. europcea). E. B. t. 55; 

 and descr. p. 3/8. 



HAB. On furze, heath, thyme and other plants in exposed hilly si- 

 tuations. On furze bushes near Mollance in Galloway, Dr. Bur- 

 gess, Rare about Glasgow. On flax at Hamilton and Woodhall, 

 Hopk. May not this be the C. europ.? Fl. July. Aug. 0. (3/ ? 

 Sm.) 



Smaller than the last, but well distinguished by the scales on the cor, 



41. GENTIANA. 



* Mouth of the Cor. naked, not ciliated, 



1. G. nivalis (small alpine Gentian), cor. 5 -cleft infundibuli* 

 form, branches alternate 1 -flowered, cauline leaves lanceolate, 

 .E. B. t. 896. 



HAB. Ben Lawers, Dickson. Fl. Aug. Q 



One inch to four inches high, rarely simple. Leaves elliptical, upper 

 ones narrower. Flowers brilliant blue. Cor. with small segments 

 between the larger ones, Col. with 5 teeth and as many angles, 

 which are tinged with reddish brown. 



** Mouth of the Cor. ciliated, 



2. G. amarella (autumnal Gentian), cor. 5-cleft hypocrateri- 

 form bearded in the orifice, cal. 5-cleft^ segments equal, 

 Lightf. p. 152. E. B. t. 236. 



HAB. Dry mountainous pastures, but not common, Lightf. Links to 

 the eastward of Cockenzie, Maugh. Guillon Links, Mr. Arnott< 

 Links of St. Fergus, Mr. Murray. Fl. Aug. Q- 



Six to eight or ten inches high. Stem square. Leaves ovate-lanceolate, 

 nerved. Flowers large, purplish. 



3. G. campestris (Field Gentian), cor. 4-cleft hypocrateriform 

 bearded in the orifice, cal. of 4 leaflets two outer ones very 

 large. Lightf. p. 152. E. B. t. 237. 



HAB. Upland pastures, especially in the Highlands, frequent, Lightf, 

 About Kenmuir and Airdrie, Hopk. Hills between Fcttycur and 



