Skinner: tide pool vegetation of port Renfrew. 147 



3. Enteromorpha sp. 



Near the rim of the pool a few, seemingly dead, specimens 

 were found. 



Pool No. II. 



Location. — High tide pool. At a level about four feet below 

 Pool No. I. 



Exposure to Tide. — Filled mostly by surf thrown up from 

 west and southwest. Drainage in same direction. During a 

 squall at high tide some waves rolled completely across the 

 pool. 



Shape and Dimensions. — Elongated northeast and southwest. 

 Diameter four and one half feet. Depth two and one half feet. 



Bottom is covered with small pebbles and several larger rocks 

 from one to two and one half feet long. Sides uneven. South 

 wall overhanging. On east, west, and north there is a gentle 

 slope for a short distance, then an abrupt descent to the bottom. 



Flora: Kind and Distribution. 



1. Cladophora sp. 



Occurs abundantly around the pool. 



2. Corallina aculeata. 



Occupies a zone about four inches wide around the rim of the 

 pool. Upper plants seemingly dead. 



3. Phyllospadix scouleri. 



Occupies a zone about eight inches wide below No. 1. 



Following down some cracks nearly to the bottom, and again 

 lowering itself by means of long stout runners over an almost 

 smooth perpendicular surface to some point below where a foot- 

 hold can be obtained. 



4. Codium mucronatum. 



Eight plants were found under the overhanging wall on the 

 southeast. 



5. Amphiroa cretacea. 



Two plants were found in a crevice below the Phyllospadix 

 and sheltered by it. 



6. Cheilosporum planiusculum. 

 Occupies a zone below the Phyllospadix. 



The lower twelve inches of the pool were free from plant 

 life. 



