146 
Rosaceee. 
base. P. rubens Crantz.—Sunny bills, wood-sides. Only 
known for certain in northern Switz.: Bale, Aargau, 
Zurich, Schaffh. 4, 5 . . . opaca L. 720. 
23. Rad. Is distichous on the rt-stock. Leaflets with silken, 
shining hairs at the edge, which make them ap¬ 
pear as if surrounded by a silvery border as in Alclie- 
milla alpina.—Pasturages of Alp., subalp. and Jura. 6 
aurea L. 721. 
— Rad. Is spirally arranged. Edges of leaflets not silvery- 
silken. Type of P. verna ..... 24 
24. Stipules of the rad. Is oval-lanceolate PI. gen. more 
vigorous than P. verna, with softer hairs; leaflets gen. 
broader, overlapping at their edges, terminal tooth scarcely 
shorter than the lateral ones. FIs of a darker yellow. 
P. maculata Pourr. P. villosa Crantz, debilis Schl., bal- 
densis Kern. P. alpestris Hall f. P. jurana Reut. (forma 
accedens ad vernam).—b. firma Gaud, (sabauda Dec.). 
Stems stiffer, red; Is more shortly petioled; leaflets 
broader, with more crowded, obtuser teeth; fls smaller 
(Zermatt).—Alp., subalp. and Jura. 6 
salisburgensis Hank. 722.*) 
— Stipules of the rad. Is linear .... 25 
25. Leaflets (especially of the summer Is) with scattered 
stellate hairs below (which do not form an intricate 
tomentum). P. cinerea Gaud, quoad loc. vales.—Hills, 
grassy places; middle and lower Wall., Prattigau; some¬ 
times in company with P. vernal 4 Gaudini Grml. 723. **) ' 
— Leaflets entirely without stell. hairs . . . 2(> 
26. Hairs of the petioles applied or at least directed for¬ 
wards, rarely spreading almost horizontally, but then 
rather stiff. Leaflets obovate or obovate-cuneiform, toothed 
only in their upper third part or as low as the middle 
(rarely oblong, of an equal breadth, and toothed almost 
throughout their whole length).—Sunny places, hills, 
grassy places, walls; everywhere. 4 . verna L. 724. 
— Hairs of the petioles spreading almost horizontally. 
Hybrids of 720 and 724?. 27 
27. Fls large (18— 25 urn, larger and of a deeper yellow 
than in the last); pets incised Leaflets large, cuneiform- 
obovate, inciso-dentate only towards the end. Pis more 
robust than the last, with a pubescence recalling that 
of P. opaca, at last tinted with red.—Hills, wood-edges; 
S. (Wangenthal near Osterfingerbad); Z. (Gailinger Berg, 
*) According to Zimmeter this species should be P. verna L., while P. verna 
auct. should = P. opaca L , and lastl)-P. opaca auct. = P. rubens Crantz. 
**) An allied form: P. tiroliensis Zimm., mouth of the Tamina near 
Ragatz. 
