120 SUB-ALPINE PLANTS 



Trifolium alpinum L. (Plate IX.) Alpine Clover. 



A small, glabrous, stemless plant, the leaves and flowers being 

 all radical. Leaflets linear-lanceolate, toothed, mucronate. Scape 

 terminating in a dense head of stalked and finally pendent flowers, 

 38 in an umbel. Flowers twice as long as the glabrous calyx, 

 flesh-coloured, rose, or rarely white. 



Grassy Alpine and sub-alpine declivities, preferring the siliceous 

 rocks and sometimes forming a regular sward ; 4000-9000 feet. 

 June to August. 



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

 Spain. 



Trifolium montanum L. Mountain Clover. 



Stems erect, about a foot high, pubescent. Leaflets elliptic, 

 mucronate, pubescent below, glabrous above, strongly nerved, 

 finely toothed. Flower-heads globular or oval, peduncled ; flowers 

 white or cream-coloured, rarely rose. Calyx hairy, with equal 

 teeth. 



Dry Alpine pastures, mountain woods, etc. ; common. May to 

 August. 



Distribution. Alps, Pyrenees, Jura, etc. Most of Continental 

 Europe ; Western Asia. 



Trifolium badium Schreb. (Plate IX.) 



Almost glabrous. Stems erect or ascending, 6-12 inches high. 

 Spikes finally globular. Flowers golden yellow and then light 

 brown. Peduncles thick, longer than the leaves. Stipules lanceo- 

 late-acute, shorter than the petiole. Upper leaves opposite ; 

 leaflets sessile, obovate, toothed. 



Rocky pastures of the Alps, 4000-9000 feet ; especially on 

 limestone, but widely spread. July, August. 



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

 Cevennes, Pyrenees, Apennines, Carpathians ; Western Asia. 



Trifolium alpestre L. 



Somewhat resembling the common T. pratense, but stiffer in 

 habit. Leaves shortly petioled ; leaflets oblong-lanceolate, strongly 

 nerved, finely toothed. Stipules narrow, upper portion linear, 

 entire. Flowers purple-red, in a globular, terminal, and usually 

 solitary head, the heads being sessile between the 2 upper leaves. 

 Calyx hairy, with 20 nerves and ciliate teeth, the inferior tooth 

 being longer than the tube. 



Woods and mountain pastures. June to August. 



Distribution. Eastern France (Maritime Alps, etc.), Cevennes, 

 Pyrenees, Auvergne. Southern and Central Europe, including 

 parts of Switzerland ; Western Asia. 



