52 A IMONOGRAPH OF THE ErYSIPHACEAE 



Myc. Ven. 145, =^=630, 631, 632, 633, 629, 899, 1375, 1376, 900. 

 901 ; and 611 sub Erysiplic laniprocarpa ; Kunze, Fung, select 

 exsicc. 574; Jack. Lein. & Stizenb. Krypt. Bad. 828; de Thuem. 

 Fung, austr. 123, 442, 444, 653, 756; Oudem. Fung. Neerl. 

 exsicc. 272 ; Speg. Dec. Myc. Ital. 83, %i bis ; Rehm. Ascom. 

 544, 545, 600, 750; and 450 sub? E, comiminis ; Erbar. Critt. 

 Ital. sen i, %"]%, ser 2, 1068; Rab.-Wint. Fung. Eur. 3657; 

 Cooke, Fung. Brit, exsicc. ed. sec. 595 sub E. lamprocarpa ; 

 Kneiff. & Hortm. PI. Crypt Bad. 16; Ell. N. Amer. Fung. 557 

 a and b; *Seym. & Earle, Econ. Fung. 300a, 300b, 309, 325; 

 Klotzsch Herb. Myc. 1745 sub Erysibe comuiunis (in Herb. Mus. 

 Florence) ; *E11. & Everh. Fung. Columb. 31 1, 418, 504 ; ^*Krieg. 

 Fung. Saxon. 577, 578, 722, 723 ; *Wartm. & Wint. Schweiz. 

 Krypt. 725 ; *Erikss. Fung. par. scand. 290. 



Perithecia usually smaller, sometimes only 50 /^ in diameter; 

 wall usually harder and more brittle, cells larger, irregularly 

 shaped, averaging 25 /i wide, but varying from 20-30 ft, rarely 

 40 ft Avide ; appendages usually short, pale brown, tortuous and 

 interwoven, but sometimes long, nearly straight, and dark brown ; 

 spores 20-25 X 12-15 Z^' 



Hosts. — Adcnoc anion bicolor, Adenostylcs albida^ AJ^^S^ ciliata^ 

 Arctium inajiis, Arnica cordifolia^ A. inontana^ Astragalus alpinus, 

 Bartsia Odontites^ Bidcns ccrmta^ B, chrysantheinoides, B. connata, 

 B.frondosa, B, tripartita^ CalaniintJia Chincnsis, Cak^idida arvensis, 

 C, officinalis^ Carpcsinni abrotanoidcs, Cnicns Wcyriclni^ var. Gray- 

 amim^ Collovna linearis {y^i), Coreopsis aristosa^ C. aiirea {26^)^ 

 C. tripteris^ Crepis pabtdosa, C. riincinata^ Dimorphotheca finvialis, 

 Doroniciim Anstriacian^ D. grandijlonun (294), Draba alpina^ var. 

 glacialis, D. Jdrta, D, i^icana^ Ercclititcs praealta, Erigcron acris, 

 E. annnus, E. Canadensis, EnpJirasia offiei)ialis, Eatona pilosa, var. 

 subcordata, Fragaria glanca (151), Gerardia grandiflora^ G. 

 qiiercifolia, Gaillardia aristata, Heliantheiniun vulgare^ Hieracinni 

 sp., HydropJiylluni Virginienni, Impatiens noli-tangere^ L textori. 

 Inula dyscntericay Lacttica brevirostris, Z. Eloridana (97), E Rad- 

 diana, L. Sibirica^ Leontodon autumnaliSy Lophanthus anisatus, 

 Mela)npyrum nemorosuni, M. pratense, M, sylvaticuiUy Microseris 

 apJiantocarpJia^ Pcdicnlaris cheilanthifoliay P, Groenlandica, P. 

 lanceolatay P. pycnantha, P. resupinata. Phlox dtvaricata {po)j 

 Physalis Alkekengi, Plantago lanceolata, P. media, Prenajithes alba 



