COMPOSITE. 



419 



Y. LINOSYRIS. LINOSYKIS. 



Habit, involucres, achenes, and pappus of LZrigeron, but the florets 

 are all tubular, yellow, and deeply 5-cleft. 



A small genus, chiefly North American, with two or three Asiatic 

 species, and a single European one. 



1. Common Linosyris. Linosyris vulgaris, Cass. 

 (Fig. 497.) 



(Chrysocoma Linosyris, Eng. Bot. 



A glabrous, erect perennial, 6 inches 

 to a foot high, with numerous narrow- 

 linear, entire leaves, more or less dot- 

 ted. Flower-heads in a rather compact, 

 terminal corymb, of a bright yellow. 

 Involucres imbricated, with numerous 

 narrow bracts shorter than the florets 

 and pappus. Achenes somewhat com- 

 pressed, and silky. 



In clefts of rocks, and on stony hills, 

 and especially along the gravelly banks 

 of great rivers in south-central and 

 southern Europe to the Caucasus, not 

 extending to northern Germany, al- 

 though reappearing on the Isle of Oe- 

 land, in the Baltic. In Britain, con- 

 fined to a few limestone cliffs on the 

 southern and western coasts of England. 

 Fl. end of summer or autumn. 



t. 2505. Goldilocks.' 



Fig. 497. 



VI. GOLDENROD. SOLIDAGO. 



Herbs, usually tall, perennial, and leafy, with numerous rather 

 small, yellow, radiate flower-heads. Involucres imbricate, in few rows. 

 Receptacle without scales. Outer florets ligulate and few, inner ones 

 tubular, all yellow. Style and anthers of Aster. Achenes cylindrical, 

 with a pappus of many simple hairs. 



A considerable North American genus, with a single species spread- 

 ing over central and northern Asia and Europe. It differs from Aster 

 in the yellow rays and cylindrical achenes, from Inula in the fewer 



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