354 Muhlcnbcrgia> Volume 2 



POLYPODIACEAE R. Br. Fern Family. 



POLYPODIUM [Tourn.] L. Polypody. 



POLYPODIUM OCCIDKNTALE (Hook.) Maxoti. Licorice fern. 



Common on rocks, logs, maple and ash trees, Macleay Park and 



in moist gnlches along St. Helens road, Bybee's slongh, etc. 



June, July. 



Ceropteris Link. 

 Ceropteris triangularis (Kanlf.) Underw. Gold-back 

 fern. Dry rocky ridges, Rocky Butte, Mt. Scott, etc. May, June. 



Pteridium Scop. Bracken. 

 Pteridium aquilinum pubescens (Bong.) Underw. West- 

 ern bracken. Common in open woods everywhere around Port- 

 land. A specimen with a stalk over 11 feet in length has been 

 found in this vicinity. The woody rootstocks have proved very 

 troublesome to farmers for some years after land is fir.st broken. 

 July, August. 



Adiantum [Tourn.] L. Maidenhair. 

 Adiantum pedatum L. Maidenhair fern. Common in 

 moist shady places, Elk Rock, Barnes road, Macleay Park, Ger- 

 mantown road, etc. June to August. 



Struthiopteris Scop. 

 Struthiopteris spicant (L.) Weiss. Deer fern. Moist 

 woods and stream banks, Macleay Park, St Helens road. May 

 to July. 



ASPLENIUM L. Spleenwort. 

 ASPLENIUM Trichomanes L. Maidenhair spleenwort. Dry 

 rocky cliffs, Rocky Butte. June, July. 



FiLix Adans. Bladder fern. 

 Fiux fragilis Underw. Bladder fern. Common on shady 

 cliffs, Balch creek. June, July. 



PoLYSTiCHUM Roth. Christmas fern. 

 PoLYSTiCHUM MUNITUM (Kaulf.) Presl. Christmas fern, 

 Sword fern. Common in coniferous woods, Macleay Park, etc. 

 This handsome evergreen fern is generally known as "Cliristmas 



