ROSACE/E 3l3 



hairy, silky at the margins; flowers bright gellow, tinged 

 with orange at the base, in loose panicle. June-August. 

 Meadows and pastures of all mountains in the alpine or 

 subalpine zone. 



P. alpestris* is particularly distinguished by duller leaves, 

 the radical ones arranged all round the stem, instead of 

 only on two sides as in aurea. July-August. The middle 

 zone of the Alps and jura. 



P. minima is a miniature aurea, with 3-foliate leaves, 

 small flowers, yellow and solitary. Found in rocky pastures 

 of the Alps, between 1400-2500 m. 



P. grandiflora (PL XXXI V). Stems tall, 4-12 in., 

 branched; leaves 3-foliate, hairy, deeply serrate, of a 

 greyish-green; flowers large, of a beautiful golden yellow. 

 Dry, warm, alpine slopes. 



P. nivea. Small plant with downy, greyish leaves, 

 3-foliate, snow-white below; flowers yellow. June-August. 

 The higher slopes of the Alps from i8oo-25oo m. 



P. frigida differs in the sombre appearance of its 

 foliage, which is very hairy and slightly viscid; small 

 3-foliate leaves, the leaflets bluntly toothed all round; 

 small greenish-yellow flowers; petals hardly exceeding the 

 calyx. Grows on elevated parts of the Alps, wind-swept 

 aretes, high passes and naked peaks (2200-2600 m.). 



P. rupestris* (PL XXXV). Pubescent, glandular; the 

 flower-stems reddish-brown, branched, erect; leaves pin- 

 nate, 5-j-foliate; flowers white, many, in loose panicles. 

 July-August. Warm, dry places in the granitic Alps. 



P. caulescens. A tufted plant which is seen hanging 

 from sunny, calcareous rocks in the Alps, the silky, silver 

 foliage and yellow-white flowers enamelling the heart of 

 the hardest rocks. 



