172 THE FLORA OF THE ALPS 



6'. Holoscho2nus, L. ; spikelets in compact globose cymose 

 heads ; wet places, rare. 



D. Spikelets small, terminal, solitary; bristles 3-8:^- 

 S. ccespitosus, L. ; stems 6-12 in., very csespitose, bristles 

 longer than the fruit ; S.pauciflorus, Lightf. ; resembling 

 the last, but stem leafless ; S. parvulus, R. and S. ; very 

 dwarf, 1-2 in., spikelets of 3-4 very small flowers; all 

 in wet sandy places, the last very rare. 



E. Spikelets in a distichous spike: — 5". compressus, 

 Pers. (5. Cartcis, Retz. ; Blysmus compressus, Panz.); 

 stigmas 2 ; wet meadows. 



4. FlMBRISTYLlS, Vahl. 



Flowers bisexual; style dilated at the base and per- 

 sistent. 



F. laxa, Vahl ; stem leafy, spikelets 3-5 ; very rare ; 

 marshes; Ticino. 



5. Eriophorum, L. 



Flowers bisexual; perianth -bristles very long and 

 slender, cottony. 



A. Spikelets several, drooping, in lateral cymes: — E. 

 polystachion, L. (including angustifolium, Roth, and 

 latifolium, Hoppe), Cotton - Grass ; marshy meadows, 

 very common. E. minus, Koch, is a mountain form. 

 E. gracile, Koch; very similar, but more slender, with 

 narrower leaves ; peat-bogs. 



B. Spikelet solitary, terminal: — E. alpinum, L. (PI. 

 118); stem 6-10 in,, very slender, head snow-white, 

 perianth-bristles wavy; moist alpine pastures, frequent. 

 E. vaginatum, L, ; heads snow-white, perianth - bristles 



