PENTAND. MONOG. 69 



experience teaches us that the more natural the families, the greater 

 is the difficulty of distinguishing the genera. 



4. CYNOGLOSSUM. 



1. C. qfficinale (com mon Hounds-tongue],, stem leaves lanceo- 

 late attenuate at the base sessile downy, stamen shorter than 

 the cor. Light/, p. 133. E. B. t. 921. 



HAB. Waste places, about towns and villages, as Burntisland and 

 Kinghorn, Edinb. and foot of the hill of KinnouL, Perthshire, &c., 

 Ligktf. Ft. June, July, g . 



Whole plant soft to the touch, dull green, of a fetid smell. Often 2 

 feet high. Lower leaves on long footstalks. Flowers purplish red. 

 Fruit rough. 



2. C. sylvaticum (green-leaved Hound's -tongue), stem leaves 

 lanceolate broad at the base shining sessile slightly hairy and 

 scabrous especially beneath, stamens shorter than the cor. E. B. 

 M642. 



HAB. Carse of Gowrie, G. Don. Fl. June, July. $ . 



Distinguished readily by the more or less shining and brighter co- 

 loured leaves, free from pubescence, and their different figure. 

 Radical leaves ovato-lanceolate, on very long footstalks. 



5. PULMONAR1A. 



L P. officmalis (common Lungwort), leaves scabrous, radical 

 ones ovato-cordate petiolate, superior ones of the stern sessile 

 ovate. E. B. t. 118. 



HAB. Arniston woods, abundant; Banks of N. Esk, near Kevockmill, 

 sparingly, Maugh. Banks of Clyde, about Dalbeth and Eastahill, 

 probably an outcast of the garden, Hopk. FL May. If. . 



About 1 foot high. Cauluie leaves all more or less ovate, lower ones 

 petiolate, upper ones sessile ; all with short hairs, frequently spotted. 

 Flowers purple. 



6. SYMPHYTUM. 



1. S. qfficinale (common Gomfrey), stem winged above, leaves 

 ovato-lanceolate attenuate at the base and very decurrent. 

 Light/, p. 134. E. B. t. 817. 



HAB. Banks of rivers j water of Leith, opposite St. Bernard's well, 

 and Cory ton woods, Edinb., Dr. Parsons. Banks of Clyde, but 

 not common, Hopk. Cliesh, Mr. Arnott. FL May, June. I/ . 



Two to three feet high, branched above. Radical leaves ovate petio- 

 lated. Racemes in pairs, secund, drooping. Corollas large, yel- 

 lowish white, often purple. 



2. S. tuberosum (tuberous-rooted Gomfrey), stem simple, leaves 

 ovato-oblong attenuate at the base, upper ones only very 

 slightly decurrent. Ltghtf. p. 1091. E. B. t. 1502. 



HAB. First discovered, in Britain, by Mr. Yalden, opposite the new 

 well at the water of Leith, and plentifully in Dr. Robertson's walks 

 at North Marchiston. Collmgton _woods, Woodhall, &c. Edinb-., 

 and on the banks of the North and South Esk, Maugh. Common in 



