COMPOSITAE. 



Artemisia Abrotannm, L. 



f Sphaeria Artemisiae, S. 



-1 Dothidea Artemisiae. B. 



(Nummularia Artemisiae, Sacc. 

 Artemisia, Absinthium, L. 



f Helminthosporium Absinthii, Pk. 



t Cercospora Absinthii, Sacc. 



Nidularia fascicularis, S. 

 Artemisia biennis, Willd. 



Cystopus cubicus, (Strauss) Lev. 



Peronospora leptosperma, DBy. 

 Artemisia borealis, Pall. 



f Sphaeria herbarum, P. 



\Pleospora herbarum, Rabh. 



Pleospora vulgaris, Niessl. 



Septoria cercosperma, Rostrup. 

 Artemisia Californica, Less. 



/ Sphaeria tuberculiformis, Ell. 



\ Plowrightia tuberculiformis, Sacc. 



{Puccinia Tanaceti, DC. 

 Puccinia Artemisiarum, Schm. & Kze. 



Sphaeria (Montagnella) tumefaciens, Ell. & 



Hark. 

 Artemisia cana, Pursh. 



Leptosphaeria Artemisiae, (Fckl.) Awd. 



Puccinia Tanaceti, DC. 

 Artemisia Canadensis, Michx. 



Puccinia Tanaceti, DC. 

 Artemisia discolor, Dougl. 



Aecidium Compositarum, Mart. 



Erysiphe Cichoracearum, DC. 

 Artemisia dracunculoides, Pursh. 



Aecidium Compositarum, Mart. 



Erysiphe Cichoracearum, DC. 



Erysiphe Linkii, Lev. 



Puccinia Tanaceti, DC. 

 Artemisia frigida, Willd. 



Puccinia Tanaceti, DC. 

 Artemisia, Ludoviciana, Nutt. 



Aecidium Compositarum, Mart. 



Erysiphe Cichoracearum, DC. 



Erysiphe Linkii, Lev. 



Peronospora Halstedii, Farl. 



Peronospora leptosperma, DBy. 

 I Puccinia Tanaceti, DC. 



\Puccinia Artemisiarum, Schm. & Kze. 

 f Chaetomella (?) perforata, Ell. & Ev. 



\Venturia occidentalis, Ell. & Ev. 



Septoria Artemisiae, Pass. 

 Artemisia pycnocephala, DC. 



Diplodia herbarum, (Cda.) Lev. 



Gibberella Saubinetii, (Mont.) Sacc. 



Puccinia Artemisiarum, Schm. & Kze. 

 Artemisia serrata, Nutt. 



Erysiphe Linkii, Lev. 



Peronospora leptosperma, DBv. 



Artemisia scopnlorum, Gray. 



(Sphaeropsis Raui, Pk. 

 Phoma Raui, Sacc. 

 Macrophoma Raui, Berl. & Vogl. 

 Artemisia tridentata, Nutt. 

 Puccinia Tanaceti, DC. 



Sporidesmium macrosporoides, Ell. & Gall. 

 Artemisia vulgaris, L 

 f Sphaeria orthoceras, Fr. 

 \ Diaporthe orthoceras, Nits. 

 / Sphaeropsis opaca, C. & E. 

 t Haplosporella opaca, Sacc. 

 Phoma herbarum, Westd. 

 Septoria fusca, Pk. 

 Artemisia, sp. indet. 



Aecidium Compositarum, Mart.,var. Artem 



iae, C. & E. 



Alternaria hispidula, Ell. 

 f Dichomera Compositarum, Cke. & Hark. 

 X Camarosporium Compositarum, Sacc. 

 Cucurbitaria solitaris, Ell. 

 Cucurbitaria umbilicata, 11. 

 Fusarium roseum, Lk. 

 f Cucurbitaria occidentalis, Ell. 

 \ Melanomma occidentalis, Sacc. 

 I Sphaeria sulcata, Ell. 

 \Melanomma sulcatum, Berl. & Vogl. 

 f Peziza Artemisiae, Lasch. 

 \ Pyrenopeziza Artemisiae, Sacc. 

 f Sphaeria ovalis, Ell. 

 \Roselliniaovalis, Sacc. 

 f Sporidesmium herbarum, Cke. 

 \Sirodesmium herbarum, Sacc. 

 Sphaeria aculeata, S., var. artemisiaecola. 5 

 Stictis decipiens, (Karst.) Cke. 

 Tubercularia herbarum, Fr. 

 Aster acuminatus, Michx. 



f Puccinia Asteris, Duby, var. purptirascei 



(Puccinia purpurascens, C. & P. 

 Aster adscendens, Lindl. 



Erysiphe Cichoracearum, DC. 

 Aster azureus, Lindl. 



Puccinia Asteris, Duby. 

 Aster canescens, Pursh. 



Erysiphe Cichoracearum, DC. 

 Aster commutatus, Gray 



Erysiphe Cichoracearum, DC. 



Erysiphe communis, (Wallr.) Schl. 



Puccina Asteris, Duby. 

 Aster conspicnus, Lindl. 



Coleosporium Sonchi-arvensis, (P ) Lev. 



Erysiphe Cichoracearum, DC. 



Puccinia Asteris, Duby. 

 Aster cordifolius, L. 



Caeoma (Aecidium) asteratum, S. 

 Uredo Solidaginis, S. 

 Coleosporium Sonchi-arvensis, (P.) Lev 



fUr 

 \Cc 



