432 Illinois State Laboratory of Natural History. 



MICROSPH^JRA 392,397,414,427 



alni 415, 421, 422, 423, 426 



Astragali 419 



densissima 426 



diffusa 414,416, 420 



elevata 415, 427 



erineophila 415, 419 



euphorbias 414,418 



quercina 415,424,427 



Ravenelii 397, 415, 420, 421 



Russellii 414, 415 



semitosta 414, 415 



symphoricarpi 414,417 



vaccinii 414,417, 418,427 



abbreviata 424, 425 



extensa 424, 425, 426, 427 



var. brevis 426 



Friesii 421, 422 



Hedwigii 421 



penidllata 420, 421, 422, 426 



platani 421, 422 



pulchra 421 



Van Bruntiana 421, 422 



viburni ... 421,422 



Mucor erysiphe.. 392 



PERISPORIACEJS 393 



PERONOSPORA 395 



fagi 423 



sempervivi 423 



viticola , 395 



PHYLLACTINIA 392, 397, 411 



guttata 411,412 



suffulta 396,411,414 



PHYTOPHTHORA 423 



omnivora 423 



PLEOCH.ETA 398 



Curtisii .. .... 398 



PODOSPHJERA 388,392,397,412 



clandestine^ 413 



Kunzd 413 



minor 413 



myrtillina 413 



oxyacanthse 397, 412, 413 



tridactyla 413 



PYRENOMYCETES 393 



SACCARDIA 387, 390, 398 



Martii 398 



quercina 398 



Sclerotium erysiphe 392 



suffultum 411 



SPHJSROTHECA 388, 392, 397, 398 



Castagnei 389, 395, 399, 400 



Castagnei 400 



humuli 400 



mors-uvae 399 



pannosa 387, 398, 399 



pruinos? 399 



UNCINULA 392, 397, 406 



aceris 409 



adunca 408. 410, 411 



Americana 406 



ampelopsidis 396, 406 



Bivonse 408 



circinata 408 



flexuosa 408 



helicifvrmis 410, 411 



leuculenta 410 



macrospora 407, 408 



parvula 409 



salicis 409, 410 



epiralis 406, 407 



subfusca 406 



593 



