Standley: Fungi of New Mexico 
153 
The telial stage occurs in Colorado on Juniperus scopulorum 
Sarg., a common New Mexican species. 
Gymnosporangium Nelsoni Arthur 
I. On leaves of Amelanchier oreophila A. Nels. ; Brazos Can- 
yon, Aug. 21, 1914, Standley & Bollnian 10662. 
III. On Juniperus scopulorum Sarg. ; Brazos Canyon, Aug. 27, 
1914, Standley & Bollman 108pp. Reported from Colorado also 
upon J. utahensis and J. monosperma, common new Mexican 
species. 
Hyalopsora Cheilanthis (Peck) Arthur 
On Notholaena sinuata Kaulf. : Dark Canyon, Guadalupe Mts., 
Aug. 5, 1909, Wooton. This species is known upon four other 
ferns, Ceropteris triangularis, Cheilanthes Pringlei, Cryptogamme 
Stelleri, and Pellaea andromedaefolia, none of which occurs in 
New IMexico. Apparently it has not been reported before upon 
a N otholaena. 
Melampsora albertensis Arthur 
On leaves of Populus aurea Tidestrom: Brazos Canyon, Aug. 
20, 1914, Standley & Bollman 1062/. Reported by Arthur in the 
North American Flora only from Alberta. 
Melampsora arctica Rostr. 
On leaves of Salix Bebbiana Sarg.: Brazos Canyon, Aug. 20, 
1914, Standley & Bollman io6go, 10621; a new host. On Salix 
Wrightii Anderss. : Mesquite, Aug. 15, 1914, W. A. Archer. 
AIelampsora Bigelovii Thiim. 
On leaves of Salix amygdaloides AndersS. : Shiprock, Aug. ii, 
1911, Standley y866. On leaves of Salix Wrightii Anderss.: 
Mesilla Valley, Nov. 15, 1903, Wooton; a new host. On leaves 
of Salix Bebbiana Sarg.: Pecos, August, 1908, Standley; Pon- 
chuelo Creek, July 30, 1908, Standley 45po. On leaves of Salix 
spp.: Tunitcha Mts., Aug. 8, 1911, Standley 7712; Farmington, 
July 22, 1911, Standley 7161. Reported by Arthur from other 
