1899] Fernald-Sornborger — Labrador Flora. 107 



HiERACiUM vuLGATUM, Fries. 



Rama, 1898, coll. Adolf Stecke): 



*Crepis nana, Richardson. 



Found only in a small outcrop of slate having a vertical 

 cleavage, at about 200 m. above sea-level, covering an area of 

 only 3 square metres, on the side of a mountain, Rama, Aug. 

 20-24, I'Sgy {Soi'uborge?', No. 86). In British America previously 

 known only from the early collections of Richardson, Parry, and 

 Drummond "on the Copper-mine River" (Richardson in Frank- 

 lin, 1st. Journ, ed. 2, 1823, App. vii. 757) ; " Repulse Bay, Five 

 Hawser Bay and Lyon Inlet" (Parry, 2nd. Voyage, 1825, App. 

 397) ; "on the slaty debris of the Rock}' Mountains {Dnini7nond) " 

 (Macoun, Cat. Can. PI. pt. ii. 274). 



*Taraxacum OFi icinale, Weber. 



On the beach just above high water, at a fall where water 

 casks are frequently filled by the fishermen, Rama, Aug. 20-24^ 

 1897 {Sornborger, No. 64), Possibly introduced. Reported from 

 Battle Harbor by Waghorne. 



NOTES ON FRESH-WATER POLYZOA. 



By Walter S. Odell. 



The term Polyzoa or Bryozoa embraces a very large number 

 of microscopic animals mostly marine, but to a smaller extent 

 found in fresh water. It is only with the fresh-water species we 

 have to deal in this paper. The question will be asked what are 

 Polyzoa? They are a class of molluscoidea including minute 

 animals, which by budding form compound colonies." Bryozoa 

 is the name applied to the same class by many zoologists. 



Polyzoa are so called from the fact that the animals 

 which constitute them live together in colonies in large 

 numbers. They are not all microscopic. Most of them are 

 readily distinguished with the naked eye, but require a pocket 

 lens or a microscope to reveal further details. They var>- much 



