188 TRANSACTIONS OF THE 
wood Canyon, Salt Lake County; Henry Ranch above 
Panguitch Lake, Garfield County. On Grossularia lep- 
tantha (A. Gray) Cov. & Britton: Henry Ranch above 
Panguitch Lake, Garfield County. On Ribes Wolfii 
Rothr.: Brighton Resort, Big Cottonwood Canyon, Salt 
Lake County. 
II, II. On Salix Watsonii (Bebb) Rydb.: Gogorza, 
Summit County; East Canyon, Summit County. On Salix 
Schouleriana Barratt: Parley’s Canyon, Salt Lake County. 
This is one of the most congenial hosts for this rust. 
16. Melampsora Meduse Thum. ? 
II. On Populus angustifolia James: Wasatch Re- 
sort, Little Cottonwood Canyon, Salt Lake County. 
17. Melampsorella elatina (Albert & Schw.) Arth. 
I. On Abies lasiocarpa (Hook.) Nutt.: Manti 
National Forest, Sanpete County; Strawberry Valley, 
Uinta County. On Picea Engelmanni (Parry) Engelm.: 
Manti National Forest, Sanpete County; Coal Creek Can- 
yon above Cedar City, Iron County. On Picea pungens 
Engelm.: Manti National Forest, Sanpete County. 
II. On Cerastium scopulorum Greene: Abajo Mts. 
near West Mountain, San Juan County; on Cerastium 
Behringianum Regel: Gold Basin, La Sal Mts., San Juan 
County. On Stellaria borealis Bigelow: Brighton Resort, 
Big Cottonwood Canyon, Salt Lake County. 
18. Melampsoropsis Arctostaphyli (Dietel) Arthur. 
I. Unknown—to be looked for on leaves and cones 
of Picea. 
Il. On Arctostaphylos Ura-Ursi (L.) Spreng.: Fish 
Lake, Sevier County. Very rare. 
19. Melampsoropsis pyrole (DC.) Arthur 
I. On cones of Picea. Not yet reported from Utah. 
Il, Il. On Pyrola uliginosa Torr.: Big Cottonwood 
Canyon, Salt Lake County. On /fyrola secunda {,; 
Silver Lake, Big Cottonwood Canyon, Salt Lake County. 
20. Pucciniastrum Myrtilli (Schum.) Arthur. 
I. On Tsuga. Not yet reported from Utah. 
II. On Vaccinium czspitosum Michx.: above Brigh- 
ton Resort, Big Cottonwood Canyon, Salt Lake County. 
On Vaccinium globulare Rydb.: Uinta Mts., Uinta 
