GENERAL INDEX 223 



Damping ofif, 29 



De Bary, contribution to mycology by, 158 



decm-rent, extending down the stem {PL j. f. 4, 6) 



Delaware, exploration for fungi in, 170 



determination of species, 206 



devil's snufiboxes, 136 



diatoms, 9 



dictyoid, the same as muriform, q. v. 



didymoid, twin ; composed of two cells [PL i. f. j-g) 



Discomycetes, 35 ; an obsolete group name for the Pezizales and their allies 



downy mildews, 29 ; a group of fungi belonging to the Peronosporales 



Earth -stars, 137, 140 



eccentric, attached at one side of the centre 



edible fungi, 144 



Ellis, contribution to American mycology by, 162, 163 



endospore, the inner wall of a spore. 



epixylous, growing on wood 



ergot, 43, 44 ; a disease of rye caused by Claviceps 



erumpent, breaking through the bark or epidermis 



Fairy- ring, 118 



ferns, 8, 9 



field mushroom, 122 



field notes, 203, 204 



fission in fungi, 13 



Florida, exploration for fungi in, 170 



fly-agaric, II9, 120 



Fries, contribution to mycology by, 157 



fungi, chemistry of, 15, 16; conditions of growth, 16; classes of, 18, 19; 



species among, 19 ; germination of, 20 ; origin of, 12 ; relation to algae, 



II, 12, 67; distinguished from green plants, 6, 7; compared with 



animals, 7; number of, 10; reproduction in, 13 

 fungicides, 20, 21 

 Fungi exsiccati, of Arthur and Holway, 93 ; of Ellis, 163 ; of Kellerman 



and Swingle, 175; of Ravenel, 161 ; of Seymour and Earle, 159; of 



Shear, 186 

 fungi imperfecti, 35, 68 

 fungous diseases, 20, 21, 22 

 fungus cellulose, 13 



Gemmation, 13, 36 ; reproduction by budding 

 Georgia, exploration for fungi in, 1 71 

 gleba, the gelatinous spore-mass in the Phallales 

 grape mildew, 30, 31 

 Greenland, exploration for fungi in, 197 



green plants distinguished from animals, 5, 6; from fungi, 6, 7; com- 

 pared with animals, 9, 10 



Ilaustorium, 13 ; a projecting portion of a hypha which penetrates a cell of 

 a host enabling the fungus to obtain its supply of food ; sometimes the 

 hypha merely forms a disc on the surface of the cell 



