81 
Puccinia asteris, Duby. On Aster commutatus. 
Pugcinia cuadopiiila, Pk. On Stephanomeria runcinata. 
Puccinia flosculosorum, (A. & S.) Wint. On Balsamorrhiza sagittata. 
III. On Cnicus undulatus. 
Puccinia fusca, (Pel.) Wint. On Anemone multifida. 
Puccinia graminis, PeL-s. On Distichlis maritima. 
Puccinia grindeffe, Pk. On Grindelia squarrosa. 
Puccinia intermixta, Pk. I. and III. On Iva axillaris. 
Puccinia menth^e, Pers. On Mentha Canadensis var. glabrata. 
I. and III. On Monarda Jistulosa. 
Puccinia mirabilissima, Pk. On Berberis repens. 
Puccinia piiragmitis, (Scliw.) Kornike. On Spartina cynosuroides. 
Puccinia polygoni-ampiiibii, Pers. On Polygonum Huldenbergii. 
Puccinia saxifrage, Sclil. On Heuchera cylindrica. 
Puccinia tanaceti, DC. II. Helianthus Californicus var. Uiahensis. 
Puccinia violyE, DC. II. On Viola canina var. sylvestris. 
Entyuoma compositarum, Far. On Helianthus annuus. 
Ustilago segetum, (Bull.) Wint. On Cult. Oats. 
'Erysiphe cichoracearum, DC. On Artemisia Ludoviciana. 
Grindelia squarrosa. 
Bigelovia graveolens var. albicaulis. 
Aster commutatus. 
Solidago serotina. 
Aster Icevis. 
Erysiphe communis, (Wallr.) Fr. On Amelanchier alnifolia. 
Ranunculus Cym balaria. 
Piiyllactinia suffulta, (Reb.)Sacc. On Cornus stolonifera. 
Betula occidentalis. 
PodospiizERa oxycantife, DBy. On Primus Virginiana. 
Spirerotheca mors-uVyE, (Schw.) B. & C. On Riles Jloridum. 
Uncinuua Salicis, (DC.) Wint. On Salix Jlavescens. 
Populus tremuloides. 
Dimkrosporium populi, E. & E. Populus tremuloides. 
Cystopus candidus ? (Pers.) L6v. On Sisymbrium linifolium. 
S. canescens. 
Cystopus tragoponis, (Pers.) Scbrcet. On Senecio serra. 
S. aureus var. croceus. 
Valsa nivea, (Hoffm.) (Spermogonia). On Populus tremuloides. 
Physalospora megastoma, (Pk.) Sacc. On Astragalus bypoglottis. 
Spiferella paciiyasca(?), Rost. (Fungi Greenland.) On Phlox Doug- 
lasii. 
Leptosph^eria artemisi^e, (Fuck.) Auersw. On Artemisia cana. 
Leptosph^ria typiiarum, (Desm.) Karst. On Typha latifolia. 
Claviceps purpurea, (FrO Tul. On Elymus condensatus. 
IIypocrea riciiardsoni, B &. M. On Populus tremuloides. 
Nectria ribis, (Tode) Rabb. On Ribes (dead branches). 
Dothidea -: stylosporous stage. On Helianthus Californicus var. 
Utahensis. 
Dothidea bigelovfe, E. & E. n. sp. On Bigelovia sp. 
Actinonema rosyE, L6v. On Rosa Sayi, or blanda. 
Ascochyta colorata, Pk. On Fragaria vesca. 
Asteroma ribicolum, E. & E. n. sp. On Ribes Jloridum. 
Cystospora chrysosperma, Pers. On Populus tremuloides (decaying 
bark). 
Phoma mamillarfe, (Web.) On Opunt'a Missouricnsis. 
