P. alpinus Balbis. 
, 'S-fyi-L Iff, &#-f? 
v*' 
Tt. 
P. aruplifolius Tuck. 
&f, gc, &Hm. Tcu H-tf. $*~f. he , 
4 <? r ieU, etvZu, wi.kr, 
P. pyaelongus Tulf. 
ty4v 
P. 
SiskaxdssKxx^SsKx^x praelongus 
forma elegans Tiselius 
P. Piichardsoni (Eenn.)Rydb. 
P. perfoliatus L 
?y£. A. . 
