May 1904] Minor Mycological Notes. Ill 
115 
Albugo candidus (Pers.) Ktze. on Bursa bursa-pastoris and Lepidium vir- 
ginicum. 
Bacillus amylivorus (Burr.) De Toni on Cydonia vulgaris (cult.). 
Cercospora clavata (Ger.) Peck on Asclepias syriaca. 
Cercospora helianthi C. & E. on Helianthus hirsutus. 
Cercospora menispermi Ell. & Holw. on Menispermum canadense. 
Cercospora murina E. & K. on Viola obliqua. 
Cercospora tuberosa Ell. & Kell, on Apios tuberosa. 
Claviceps purpurea (Fr.) Tul. on Ammophila arenaria. 
Coleosporium campanulae (Pers.) Lev. on Campanula americana. 
Collybia dryophila Bull, on rotten wood. 
Collybia platyphylla Fr. on rotten wood. 
Entyloma menispermi Farl. & Treal. on Menispermum canadense. 
Erysiphe cichoriacearum DC. on Parietaria pennsylvanica. 
Erysiphe polygoni DC. on Onagra biennis. 
Gloeosporium nervisequum (Fuckl.) Sacc. on Platanus occidentalis. 
Gymnosporangium sp.—Roestelia sp.? on Amelanchier canadensis. 
Helotium citrinum (Hedw.) Fr. on rotten wood. 
Lachnella chlorascens (Schw) Morg. on rotten wood. 
Lentinus sulcatus Berk, on old wood. 
Marssonia toxicodendri (E. & M.) Sacc. on Rhus toxicodendron. 
Microsphaera alni (Wallr.) Salmon on Euonymus atropurpurea, Gleditsia 
triacanthos, and Apios tuberosa. 
Morchella esculenta (L.) Pers. on ground. 
Peronospora parasitica (Pers.) DeBy. on Lepidium virginicum. 
Phoma uvicola B. et C. on Vitis vulpina. 
Phyllachora graminis (Pers.) Fckl. on Hystrix hystrix. 
Phyllosticta iridis E. & E. on Iris versicolor. 
Phyllosticta labruscae Thiim. on Vitis vulpina. 
Phyllosticta palustris Ell. & Dearness on Stachys palustris. 
Phyllosticta phaseolina Sacc. on Strophostyles helvolus (L.) Britt. 
Plasmopara australis (Speg.) Humph, on Sicyos angulatus. 
Plasmopara viticola (B. & Curt.) Berl. & DeT. on Vitis vulpina. 
Pleurotus sapidus Kalchb. on Willow log. 
Plowrightia morbosa (Schw.) Sacc. on Prunus virginiana. 
Podosphaera oxyacanthae (DC.) DeBy. on Prunus virginiana. 
Polyporus arcularius (Batch.) Fr. on rotten sticks. 
Polyporus brumalis (Pers.) Fr. on old sticks. 
Polyporus gilvus Schw. on rotten wood. 
Polyporus versicolor L. on old stumps. 
Polystictus cinnabarina (Jacq.) Fr. on old log. 
Puccinia caricina DC. on Carex laxiflora. 
Puccinia glechomatis DC. on Agastache nepetoides. 
Puccinia menthae Pers. on Mentha canadensis, Monarda fistulosa. 
Puccinia osmorrhizae C. et P. on Washingtonia longistylis. 
Puccinia panici Dietel on Panicum virgatum. 
Puccinia seymouriae Burr, on Afzelia macrophylla. 
Puccinia taraxaci Plow, on Taraxacum. 
Puccinia xanthii Schw. on Xanthium. 
Pucciniastrum agrimoniae (DC.) Diet, on Agrimonia hirsuta. 
Ramularia celastri Ell. & Martin on Celastrus scandens. 
Ramularia variabilis Fckl. on Verbascum thapsus. 
Rhizobium mutabile, in root Tubercles of several leguminous plants. 
Schizophyllum alnea (L.) Schroet. on old wood. 
Sepedonium chrysospermum (Bull.) Fr. on rotten wood. 
Septoria oenotherae (Lasch.) West, on Onagra biennis. 
Septoria scrophulariae Pk. on Scrophularia marylandica. 
Septoria verbascicola B. & C. on Verbascum blattaria. 
Sphaerotheca phytoptophila K. & Sw. on Celtis occidentalis. 
Stereum candidum Schw. on bark Juniperus virginiana. 
