No. 3.] HYMEXIALES OF CONNECTICUT. IJ 



abundance of spores will accumulate, making possible the fol- 

 lowing divisions : 



1. White Spores. Spores pure white, with an occasional 

 slight tinge of yellow or pink. 



2. Ochre Spores. Spores yellow-brown or rust color. 



3. Rosy Spores. Spores pink or some shade of pink. 



4. Brown Spores. Spores dark brown or purple-brown. 



5. Black Spores. Spores black, showing no tinge of 

 brown or purple. 



Key to the W hit e-S pored Group* 



Margin of the gills acute I 



Margin of the gills longitudinally split or grooved. . 17 



1. Mushrooms soon decaying or shrivelling 2 



Mushrooms leathery, woody or corky, rigid when dry 15 



2. Gills not attached to the stem ; ring, volva or both 



present on the stem 3 



Gills attached to the stem but not extending down it 



(adnate or adnexed ) 4 



Gills attached to the stem and extending down it 



( decurrent) 10 



3. Volva and ring present Amanita 



Volva present ; ring absent Amanitopsis 



Volva absent ; ring present Lepiota 



4. Volva absent ; ring present Ar miliaria 



Volva and ring absent 5 



5. Plants tough, membranaceous or leathery, drying 



quickly but reviving when moistened Marasmius 



Plants fleshy 6 



6. Cap and gills very crisp and brittle 9 



Cap and gills not crisp and brittle 7 



7. Gills attached to the stem by a small, sudden curve 



(sinuate), Tricholoma 



Gills not sinuate 8 



8. Margin of cap inrolled when young Collybia 



Margin of cap straight against the stem when young ; 



cap slender, bell-shaped Mycena 



* Genera not reported from Connecticut are omitted from these keys. 

 2 



