COMPOSITE 171 



especially in the mountains. Very variable and with one or two 

 named varieties. The writer has seen this well-known plant above 

 8000 feet in the French Alps. 



Roadsides and grassy places. June to August. 



Distribution. Europe and Russian Asia to the Arctic Circle, 

 North America. British. 



A. setacea W. et K. is an Alpine variety with smaller, dirty 

 white flowers and setaceous leaf- segments. (Dry hills.) 



Achillea tanacetifolia All. (A stricta Schleicher.) 



A stout plant i-2j feet high, with pubescent stems and leaves. 

 Stem-leaves sessile, auricled at the base, oblong-lanceolate, bi- 

 pinnate, with very numerous segments, which are linear, mucronate. 

 Capitula glabrous and often nodding. Closely allied to the Milfoil 

 and to A. dentifera DC., which grows in the Western Alps of France 

 and Italy. 



Pastures and woods in the mountains ; scarce. July to September. 



Distribution. Western Alps, Switzerland, Italy, Carniola. 



Achillea macrophylla L. (Plate VI.) 



Stem 2-3 feet high, erect, terete, leafy. Leaves pinnatifid, large, 

 deeply and much divided ; the lower leaves ovate-triangular in 

 outline, pinnatipartite, with 3-7 segments, the inferior segments 

 being distinct, the upper confluent, sharply toothed ; uppermost 

 leaves narrow, lanceolate, not divided, but sharply toothed. 

 Corymbs very compound. Flowers white, small. 



Woods and shady places in the Alps and sub- Alps ; 3000-6800 

 feet. 



Distribution. Eastern, Central, and Western Alps ; local. 



A useful subject for planting in the shade of trees at the back 

 of a rockery, for the foliage is rather handsome. 



CHRYSANTHEMUM L. 



Capitula solitary, often large. Ray-florets ligulate, white or 

 yellow ; disk-florets tubular, perfect, yellow. Receptacle flat or 

 convex, naked. Involucral bracts imbricate, with scarious margins. 

 Fruit of ray-flowers ribbed or winged, of disk-flowers compressed. 

 Leaves toothed or cut. A genus sometimes divided into several 

 small genera. 



Chrysanthemum Leucanthemum L. Ox-eye Daisy. (Plate XXI.) 

 Stems erect, simple, or slightly branched above. Root-leaves 

 oboyate and coarsely toothed, on long stalks ; stem-leaves narrow, 

 sessile, with fewer teeth. Flower-heads solitary, very large, 

 especially in the Alps, on long, terminal peduncles. Involucral 

 bracts bordered with a brown, scaly edge. 



