The Mycologic Flora of the Miami Valley, O. 55 
Ciass I.—HyYMENOMYCETES, 
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 efigurate. 
AGARICINI.—Hymenium spread over the surface of gills or lamelle. 
Potyporet.—Hymenium lining the interior of tubules or pores. 
Hypnet.—Hymenium consisting of teeth, tubercles or papille. 
Seon alia: 
B, Hymenium levigate. 
Ss 
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. 
OrpER J.—AGARICINI. 
Hymenophore inferior, lamellose. Lamelle radiating from the 
center or from the stipe, covered on both surfaces with basidia and 
paraphyses ; basidia 4-sporous at the apex. 
TABLE OF GENERA OF AGARICINI. 
A. Fungi fleshy, putrescent. 
1. Acaricus.—Lamelle membranaceous, soft, persistent. 
2. Coprinus.—Lamelle dissolving into a black fluid. 
3. Boxsitius.—Lamellze becoming moist ; spores subferruginous. 
4, Cortinarius.—Veil of cobwebby threads ; lamelle pulverulent 
with subochraceous spores. 
). Paxittus.—Lamelle easily separating from the hymenophore ; 
spores colored. 
6. Hygrorpaorus.—Lamelle somewhat waxy. 
7. Lactrarius.—Lamellez with a milky juice. 
8. Russuta.—Lamelle rigido-fragile. 
9. CANTHARELLUS.—Lamelle with the edge obtuse. 
B. Fungi tough, persistent, subcoriaceous. 
10. Marasmius.—Fungi marcescent, reviving when wet. 
11. Lenrinus.—Fungi fleshy-tough; lamellez lacero-dentate. 
12. Panus.—Fungi fleshy-coriaceous; lamellz entire. 
13. Trogia.—Fungi tough, soft; lamellee fold-like, the edge crisp. 
