114 COMPOSITE. 



be next to nothing to separate these so-called species. 

 The two are said to differ in colour of styles and thick- 

 ness of leaves ; but good botanists aver that the former 

 character is variable in the same plant from year to year. 



V. VI. 



491. H. vulgatum, Fr. 



Native ; on walls and banks in and about Bristol and 



Clifton, common. 

 H. maculatum, Sm., is a variety or sub-species differing 



slightly from H. vulgatum in its leaves and inflorescence. 



vn. ix. 



(H. gotliicum, Fr. Leigh woods and St. Vincent's Kocks. 

 Swete Fl. 45. We cannot find that this has been 

 gathered since Swete's time. Perhaps Dr. Stephens' 

 plants were misnamed.) 



492. H. tridentatum, Fr. 



Native. Very rare. 



G. Crew's Hole, and Redland ; Herb. Stephens. 



S. Cheddar ; Eev. E. P. Murray. 



493. H. umbellatum, L. 



Native. Very rare. 



G. Sparingly on Yate Common, Aug. 1882. 

 It is not uncommon on the peat moors just south of the 

 district. 



494. H. boreale, Fr. 



Native ; on rocky banks and old walls, rare. 



G. Glen Frome ; bank between Crew's Hole and Hanham ; 



Swete, Fl. 45. On several old walls at Stoke Bishop. 



Stapleton ; Herb. Stephens. 

 S. Plentiful about the Portishead Railway, under Leigh 



Wood. VIH. IX. 



