ROSACEA 95 



silky beneath ; Switzerland, Styria, Tirol, Dauphiny, 

 Pyrenees, rare. P. ininijna, Hall. ; flowers very small, 

 stem 1-2 in., i-2-flowered, leaves bright green, glab- 

 rous above ; high ; Alps, frequent. P. frigida^ Vill. ; 

 flowers small, stem 1-2 in. high, 1-2-flowered, leaves 

 duH green, villous on both sides with viscid hairs ; high ; 

 Alps, frequent. P. norvegica^ L. ; stem 8-10 in., flowers 

 large, in crowded terminal cymes, hirsute ; Salzburg. 



F. Flowers yellow ; sepals and petals 5 each ; leaves all 

 digitate or pinnate : — P. anserina^ L. ; Silver Weed, with 

 interruptedly pinnate very silky leaves, is a very common 

 wayside weed. P. cinerea, Chaix., with very silky digi- 

 tate leaves ; P. opaca^ L., with more deeply-toothed 

 leaflets, and plant tinted red; P. verna, L. (including 

 Gaudmi^ Grml., aurulenta^ Grml., zndi prostrata^ Grml.), 

 leaflets obovate or cuneiform, toothed only in their upper 

 part ; grassy places, common ; are lowland plants. The 

 following are alpine or sub-alpine : — P. micltifida, L. ; 

 stem 6-12 in., much branched, segments of leaflets 

 linear, leaves tomentose beneath ; Zermatt, Dauphiny, 

 rare. P. aurea, L. ; flowers orange-yellow, stem single, 

 3-12 in., 3-5-flowered, leaflets with a fringe of silky hairs ; 

 alpine pastures. P. alpina, Willk. ; resembling the last, 

 but stems caespitose, i -flowered; alpine pastures. P. 

 alpestrtSj Hall {villosa, Crntz., salts burgensis, Haenk., 

 sabauda, DC); resembling P. verna, but flowers larger, 

 of a brighter yellow, leaflets more deeply incised, and with 

 auriculate stipules; alpine pastures, common. P. hep- 

 taphylla, Mill. ; flowers large, stem erect, many-flowered, 

 leaflets 7-9, dentate nearly throughout; pastures, local. 

 P. pyrcnaicay Ram. ; resembling P. alpcstris, but a larger 

 stouter plant, with more leafy stem, and flowers on shorter 



