Prae УП. 
THE ALPINE POLYPODY (Рогуроршм ALPESTRE) 
POLY PODIUM, Linneus. 
Clusters of Spore-cases circular, without covers, growing from the back of tho veins, 
terminal, or nearly во. Veins disunited at their extremities, their branches 
(cenules) simple, forked or rarely pinnate 
P. arrastar; fronds lanceolate, herbaceous, sub-ereet, bipinnate ; pinna» narrow lanceolate 
from a broad base, spreading or ascending ; pinnules ovate-oblong, or subfaleately 
ovate-lanceolate, pinnatifid ; segments oblong, bluntish, serrate; stipes short; 
secondary rachis narrowly winged ; (sori rarely spuriously indusiato). 
па Men, Шалы of rk Hn 00. i ia Prete hal of Br Poe 
а ears RE fir die Disi, 190.41. Spa cw, 50, Wilde 
Var. пах, fronds slender, flaccid, narrow lanceolate, bipinnate ; pinnw short, ovate- 
lanceolate, spreading or deflexed ; pinnules oblong, obtuse or acutish, narrowed 
у lobed or t 
below, sessile or adnate, distan 
thed ; stipes very short. 
iz f Dii Fer, 
EXPLANATION OF THE PLATE. 
Cauder short, erect or decumbent, consisting of the persistent crowded bases of the 
attached around a central axis, the whole forming а stout roundish mass, frequently 
fronds 
