The Mycologic Flora of the Miami Valley, 0. 55 



Class I. — Hymenomycetes. 

 Hymenium free, mostly naked, or, if inclosed at first, soon exposed ; 

 spores naked, mostly quaternate, on distinct spicules. — Cooke. 



TABLE OF ORDERS OF HYMENOMYCETES. 



A. Hymenium effigurate. 



1. Agaricini. — Hymenium spread over the surface of gills or lamellae. 



2. PoLYPOREi. — Hymenium lining the interior of tubules or pores. 



3. Hydnei. — Hymenium consisting of teeth, tubercles or papillae. 



B. Hymenium loivigate. 



4. Thelephorei. — Hymenium horizontal and inferior. 



5. Clavariei. — Hymenium investing a clavate or branched body. 



6. Tremellinei. — Hymenium investing a lobed or convolute gelatin- 

 ous body. 



Order I. — Agaricini. 



Hymenophore inferior, lamellose. Lamellae radiating from the 

 center or from the stipe, covered on both surfaces with basidia and 

 paraphj'ses ; basidia 4-sporous at the apex. 



TABLE OF GENERA OF AGARICINI. 



A. Fungi fleshy, putrencent 



1. Agaricus. — Lamellae membranaceous, soft, persistent. 



2. CoPRiNus, — Lamellae dissolving into a black fluid. 



3. BoLBiTius. — Lamellae becoming moist ; spores subferruginous. 



4. Cortinarids. — Veil of cobwebby threads ; lamellae pulverulent 

 with subochraceous spores. 



5. Paxillds. — Lamellae easily separating from the h3aiienophore ; 

 spores colored. 



6. Hygrophords. — Lamellas somewhat vf&Ky. 



7. Lactarius. — Lamellae with a milky juice. 



8. Rdssdla. — Lamellae rigido-fragile. 



9. Cantharellus. — Lamellae with the edge obtuse. 



B. Fungi tough, persistent, subcoriaceous. 



10. Marasmius, — Fungi marcescent, reviving when wet. 



11. Lentinus. — Fungi fleshy-tough; lamellae lacero-dentate. 



12. Panus. — Fungi fleshj^-coriaceous; lamellae entire. 



13. Trogia. — Fungi tough, soft; lamellae fold-like, the edge crisp. 



