191' 



Muenscher; Key to Fhaeophyceae 



279 



stipe of Alaria valida is from one to five cm. long if one takes his de- 

 scription, but according to his plate which is drawn times one-sixth it 

 v.'ould be at least seven cm. long. According to Tilden's (16) description 

 of A. cordata the stipe is from one to seven dm. long, while Saunders (13) 



Alaria tenuifolia 



Alaria valida 



PLATE 64 



Fig. 43. Lower portion of jjlant. X about 0.08. 



Fig. 44. Lower portion of plant. (After Setchell.) X about 0.08. 



