Preliminary List of Manitoba Fungi. 95 
ASCOMYCETES. 
Saccharomycetales: Saccharomyces sp. in fruits of Prunus sp. (wild plum), 
1208. Other “wild” yeasts also occur. 
Protodiscales: Exoascus Pruni Fcl., on Prunus spp. 305, 325, Dominion City, 
578. Common on plums. 
Helvellales: Gyromitra esculenta (Pers.) Fr., Kenora. 
Helvella crispa (Scop.) Fr., Gimli, 640, 764. 
H. lacunosa Afzel., Russell, 1093. 
Leotia lubrica (Scop.) Pers., Kenora, A. H. R. B. 
Morchella esculenta (L.) Pers., 322, 393, 444, 439. Common. 
M. conica Pers. (probably only a form of M. esculenta); Hillside Beach, 411 
M. crassipes (Vent.) Pers., 788; Hillside Beach, 410; Minaki. 
Spathularia clavata (Schaeff.) Sacc., Minaki, A. H. R. B. 
Verpa conica (Mill.) Swartz, Hillside Beach, 409. 
Pezizales: Ascobolus immersus Pers., on dung, Winnipeg, A. H. R. B. 
Cenangium furfuraceum (Roth) de Not., 7348. 
C. populneum (Pers.) Rehm, 919S. 
Chlorosplenium aeruginosum (Oed.) de Not., Shoal Lake S.E. Man., I. L. C., 
432; Kenora, 551, 711. 
Coryne? sp., near Kenora, 911S. 
Helotium citrinum (Hedw.) Fr., 384S., 407S., 1167L/., 916, 926; near 
Kenora, 912S. 
Lachnea scutellata (L.) Gill., Kenora, A. H. R. B. 
Mollisia cinerea (Batsch) Karst., 4o1S., 420S. 
Orbilia sp., 910S. 
Peziza aurantia Muller, Minaki, 863. 
P. badia Pers.? Hillside Beach, 412. 
P. vesiculosa Bull., 363, 765. 
Pseudospeziza Medicaginis (Lib.) Sacc. on Medicago sativa (cult.), 296; 
Brandon I. L. C., 1155; Swan River, 485. 
Sclerotinia libertiana Fel. on carrots, parsnips and other vegetables. What 
is considered to be this species has also been collected on Helianthus 
annuus (cult.), 609, causing a serious stem rot, and on Iva xanthifolia, 
1o2, Cirsium arvense, Helianthus tuberosus, and Sonchus arvense. 
Phacidiales: Propolis faginea (Schrad.) Karst., near Kenora, 913S. 
Rhytisma salicinum (Pers.) Fr., on Salix sp., 90; Gilbert Plains, 1061. 
Hysteriales: Hysterographium Fraxini (Pers.) de Not., on Ash wood, 11o1Br. 
Aspergillales: Aspergillus herbariorum (Wigg.) Fisch. Common. 
Penicillium spp. The usual blue moulds on various substances. 
Perisporiales: Dimerosporium Collinsii (Schw.) Thuem., on Amelanchier alni- 
folia, 820. Common. 
Erysiphe Cichoracearum DC., on Helianthus annuus (cult.), 307; on Ambrosia 
trifida, Morris, I. L. C., 103. 
E. Galeopsidis DC., on Stachys sp., Ste. Rose, 1070. 
E. Graminis DC., on Secale cereale, 135. Not serious. 
E. Polygoni DC., on Polygonum aviculare, 174, 300; Virden, 289; Swan 
River, 477; on Pisum sativum (cult.), 1087. 
Microsphaera Alni (Wallr.) Wint., on Quercus macrocarpus, J. J. Christensen 
and G. R. B., 308. 
M. diffusa Cke. and Pk. On Lathyrus odoratus, 288. Common. 
Podosphaera Oxyacanthae (DC.) de By., on Prunus pumila, Dauphin, F. W. 
Brodrick, 1175, det. I. L. C. 
Sphaerotheca Humuli (DC.) Burr. var. fuligina (Schl.) Salm., on Viola 
(cult. pansy), 1189; on Taraxacum officinale, Swan River, 491. 
Uncinula Salicis (DC.) Wint., on Salix spp. and Populus spp. 148; Virden, 
292; Grand Beach, 183; Victoria Beach, root. 
Hypocreales: Claviceps purpurea (Fr.) Tul., on Agropyron tenerum, Bromus 
inermis, Calamagrostis canadensis, Elymus canadensis, E. innovatus, 
Panicularia apiece Secale cereale, Triticum aestivum, 119, 118, 197, 
269; I. L. C., 152, F. J. Higham, 124; Deloraine, 111; Clandeboye, 
