8 THE FLORA OF THE ALPS 



longer than the involucre ; common ; and P. vulgaris, 

 Gaertn., pubescent, ray-flowers erect, as long as invo- 

 lucre ; less common ; both in wet places. 



14. BUPHTHALMUM, L. 



Resembling Inula, but receptacle covered with scarious 

 scales. 



B. salidfolium, L. ; flowers yellow, capitules large, 

 solitary, leaves oblong-lanceolate, upper linear-lanceo- 

 late, all entire; Southern Switzerland, Jura, Dauphiny, 

 not common. B. grandiflorum, L. ; capitules larger, 

 bright yellow, leaves longer and narrower ; rare. 



Tribe Gnaphalie^. — Resembling Inulece, but ray- 

 flowers slender, tubular ; pappus silky ; whole plant soft. 

 Genera 15-19- 



15. Gnaphauum, L. 



Flowers often unisexual, but monoecious; capitules 

 small, collected into spikes or racemes; ray-flowers very 

 slender, female, in i or more rows ; disk-flowers bisexual ; 

 involucral bracts soft, adpressed, as long as the flowers. 

 Soft woolly herbs. 



The three English lowland species of Cud -Weed, 

 G. luteo-album, L., with pale yellow flowers; G. sylva- 

 ticum, L., with the capitules in leafy racemes or spikes, 

 flowers white ; and G. uliginosum, L., with the capitules 

 in terminal heads, flowers white ; occur also in Switzer- 

 land ; the last in wet, the two others in dry sandy places ; 

 the first in Southern and Western Switzerland, the two 

 others everywhere. 



