146 
Mycologia 
inally collected in Mexico, and I do not know whether it has been 
found in the States previously to the discovery of this specimen 
or not.” (Fairman.) 
Auerswaldia Pringlei (Peck) Sacc. 
On leaves of Yucca macrocarpa (Engelm.) Coville: Mesa west 
of Organ Mts., September, 1908, Standley. “Sporidia uniseriate, 
hyaline then yellowish brown, oblong-elliptical, rounded at ends, 
27-33 X 12-14 IX.” (Fairman.) 
Claviceps purpurea Fr. 
On Agropyron Smithii Rydb. : Near Ensenada, Sept. 10, 1914, 
Standley & Bollman 112^2. On Elynius canadensis L. : Pecos, 
Aug. 25, 1908, Standley 5319. 
Dimerosporium Collinsii (Schw.) Thiim. 
On Amelanchier oreophila A. Nels.: Brazos Canyon, Aug. 21, 
1914, Standley & Bollman 10681. On Amelanchier polycarpa 
Greene: Chama, July 9, 1911, Standley 6618. 
Erysiphe Cichoracearum DC. 
On Lactuca integ7'ata (Gren. & Godr.) A. Nels.: Farmington, 
July 20, 1911, Standley 7150. (? Immature.) On Heliopsis 
scabra Dunal: Gilmore’s Ranch, Aug. 15, 1897, IVooton. On 
Madia gloinerata Hook.: Brazos Canyon, Aug. 31, 1914, Stand- 
ley & Bollman 10972. On Chrysotharmms linifolius Greene (a 
new host) : Shiprock, Aug. 12, 1911, Standley 7890. On Chryso- 
thanmus Vaseyi (A. Gray) Greene (a new host) : Stinking Lake, 
Aug. 21, 1911, Standley 8232. On Aster vallicola Greene (a new 
host) : Santa Fe, July 23, 1908, Standley 4516. On Erigeroii 
subtrinervis Rydb. (a new host) : Brazos Canyon, Sept. 6, 1914, 
Standley & Bollman 11168. On Iva xanthiifolia Nutt.: Pecos, 
Aug. 20, 1908, Standley 5141. On Artemisia dracunculoides 
Pursh (a new host) : Winsor’s Ranch, Aug. 12, 1908, Standley 
4894. On Hydrophyilmn Fendleri (A. Gray) Heller (a new 
host) : Winsor Creek, July 5, 1908, Standley 4199; Chama, July 
