29 



12. Pileus more or less bluish, not eftused. T. caesitis (Schrad.) Murrill 

 Pileus not bluish, effused-reflexed. T. semipileatus (Peck) Murrill 



13. Surface pelliculose, more or less tinged with gray. T. chioneus (Fr. ) Karst. 

 Surface white, without a pellicle. 14 



14. Pileus about 2 mm. thick. T. Bariholomaei (Peck) Murrill 

 Pileus much thicker. 15 



15. Edges of tubes obtuse, entire. T. anceps (Peck) Murrill 

 Edges of tubes very thin, lacerate. T. lacteus (Fr. ) Murrill 



H. The Species of Trametes 



1. Context punky, soft. 2 

 Context corky, rather firm. T. subnivosa Murrill 



2. Tubes small, 4 to a mm.; found on Robhiia. T. robiniophila Murrill 

 Tubes large, 2 to a mm.; found on Salix. T. stiaveolens (L. ) Fr. 



I. The Species of Rigiuoporus 

 Pileus thin, rigid, multizonate, reddish; tubes rather slender, edges thin. 



T. stirinaviensis (Miq.) Murrill 



J. The Species of Poronidulus 

 Pileus thin, conchate, white, with pale-reddish zones ; found on elm branches. 



T. conchifer (Schw. ) Murrill 

 New York Botanical Garden. 



SHORTER NOTES 



The Name Chara. — The origin of the modern application of 

 the name Chara has been much disputed, and it may not be 

 superfluous to call attention to one opinion, which seems to 

 be the most plausible, and to connect with it the name of the 

 author who appears to have introduced the word into literature, 

 although he attained his eminence in other fields. Julius Caesar 

 in the 48th chapter of the 3d book of his "De Bello Civile" 

 says : Est etiam genus radicis inventum ab iis, qui fuerant in 

 vallibus, quod appellatur Chara, quod admixtum lacte multum 

 inopiam levabat. Id ad similitudinem panis efficiebant. 



This may be roughly translated : There is also a kind of root, 

 found by those who had been in the valleys, which is called 

 Chara, and this when mixed with milk greatly lessened the feel- 

 ing of hunger. They make it into the likeness of bread. 



No person can possibly advance the idea that the Cliara of 

 modern botany could be made into bread, with or without the 

 use of milk. This merely proves that the name was in use in 



