156 



GEOLOGY OF LA SALLE COUNTY. 



hirsutus, 

 vulg-aris, 



separable, becoming- woody and hard, 

 perg-amenus, sang-uineus, Virgfineus, 

 velutinus, versicolor, molluscus, 

 sentellatus. spumeus. 

 Merulius tumelloides. Waxy. 

 Hydnum repandum. Spiny below. 

 Sparassis crispa. Branches broad, much di- 

 vided. On g-round, woods. 

 Clavaria cinersa. Club shaped. 

 C. rug-osa. Branches roug-h. 

 Georgdossum hirsutum. Black, hairy. 

 G. difiForme. Black, smooth. 

 Stereum coniplicatum Leathery below. 

 S. acerimum. 



Corticium cinereum. Soft, fleshy below. 

 C. incarnatum. 

 C. lactescens. 



Reziza aurantia. Cup form, red. 



Herncola aricula Juda^. When damp looks like 



rubber, soft, gfelatinous. 



WATER POWER OF LA SALLE COUNTY. 



When the county was first settled it was obvious 

 that the g-rain produced here must either be taken East 

 to grind or mills must be built here, and the Green's 

 located at Dayton because the F'ox river ofl^ered suffi- 

 cient power and a favorable situation for the erection 

 of a mill, and at that point a dam still spans that 

 stream, and its waters not only drive machinery 

 at that place, but a part of them is broug-ht to Ottaw a 

 and furnishes the hydraulic company's power here. 



Of course, the main source of power in the 

 county is the Illinois river. This stream, formed 

 by the junction of the Des Plaines and Kankakee 



