i66 SUB-ALPINE PLANTS 



HoMOGYNE Cass. 

 Stem nearly leafless. Leaves mostly radical, stalked, round. 

 Capitulum usually solitary ; involucre and receptacle as in 

 Adenostyles. Seeds furrowed, nearly cylindrical. 



Homogyne alpina Cass. 



Rootstock creeping. Stem erect or ascending, simple, with a 

 single capitulum, woolly like the leaf-stalks, with 2-4 distant scales. 

 Leaves radical, appearing at same time as the flowers, stalked, 

 cordate-orbicular or reniform, dentate, glabrous on upper side, 

 under side green, not tomentose, hairy on veins beneath. Flowers 

 light purple-red, rarely white. 



Damp, shady places on the Alps and lower Alps, and in mountain 

 woods ; extending up to 9000 feet. May, June. 



Distrihution. — Carpathians ; Eastern, Central, and Western 

 Alps ; Jura, Black Forest, Pyrenees. 



Homogyne sylvestris Cass. 



Scape 10-12 inches high, with 1-3 capitula, downy, leafy below, 

 scaly above. Root-leaves 2 inches broad, on long stalks, cordate- 

 reniform, incised, 7-9 lobed, outer lobes pointed, inner lobes 3- 

 toothed, with soft spines ; stem-leaves small, semi-amplexicaul. 

 Capitula up to i inch in length. Involucre purple-red. Branches 

 of style warty. Pappus white. 



Meadows and pastures up to 5000 feet ; local. May, June. 



Distribution. — Eastern Alps from Carinthia to Camiola. 



Aster L. 

 Aster alpinus L. 



Stem erect or ascending, covered with short hairs like the leaves, 

 thickened at the summit, and bearing a single .capitulum. Leaves 

 wavy, entire, wedge-shaped or spathulate, 3-nerved, obtuse ; upper 

 leaves linear-lanceolate, sessile, acute. Ray-flowers ligulate, violet 

 or mauve ; disc-flowers yellow. Capitulum handsome, 1J-2 inches 

 across. Bracts of involucre lanceolate, more or less acute, all nearly 

 uniform in height and herbaceous. 



Rocks, stony places, and pastures in the Alps and lower Alps ; 

 5000-9000 feet; more frequent on limestone. July, August. 



Distribution. — Carpathians, Eastern, Central, and Western Alps ; 

 Erzgebirge, Jura, Cevennes, Pyrenees. 



Bellidiastrum Cass. 

 BelUdiastrum Michelii Cass. (Plate XXL) 



Stem erect, leafless, simple, ending in a singly capitulum, shaggy 

 or covered with short, soft hairs, like the leaves. Leaves all radical, 



