53 



Lcontodon nudicaule of Jelliffe's list is evidently based on a 

 specimen of Dr. Hulst's so labeled which specimen is 



Pier is liicracioides L. 



Lactuca sagittifolia Ell. Rockaway. 



Crepis virens L. Richmond Hill, Cypress Hills, Hulst. 



Xanthium Canadcnse Mill. The common form is var. echina- 

 tu in. 



Solidago juncca Ait. Cypress Hills, Hulst. 



Hypocliacris radicata L. Cedarhurst. 



Antennaria neglecta Greene. Common in sandy fields. 



Scnecio obovatus Muhl. Richmond Hill, Hulst. 



Boys' High School, Brooklyn. 



A KEY TO THE NORTH AMERICAN GENERA 

 AND SPECIES OF THE HYGROPHOREAE.— I 



By F. S. Earle 

 Key to the Genera 



1. Spores black or dark brown. A. Gomphidius. 

 Spores white or whitish. 2. 



2. Usually parasitic on other agarics ; basidiospores mostly replaced by chlamydo- 



spores. 



B. Nyctalis. 



Not parasitic on agarics ; no chlamydospores. 3- 



3. With a glutinous veil when young, leaving a more or less persistent annulus. 



C. LlMACIUM. 

 With no veil or annulus. D. Hygrophorus. 



A. Key to the North American Species of Gomphidius 



1. Pileus white or whitish. 2 

 Pileus some shade of red or brown. 3 

 Pileus dingy pink ; lamellae whitish ; stipe yellow. G. flavipes Pk 



2. Stipe yellow, shorter than the diameter of the pileus. G. maculatus (Scop.) Fr 

 Stipe white, longer than the diameter of the pileus. G. furcatus Pk 



3. Stipe concolorous (reddish or brownish). 4 

 Stipe at first white or whitish. 7 



