252 Journal of Mycology [Vol. 10 
Aecidium occidentale Arthur n. sp., on Clematis douglasii Hook. 
Bull. Torr. Bot. Club, 31 \y. Jan. 1904. 
Aecidium onosmodii Arthur n. sp., on Onosmodium molle 
Michx., and O. carolinianum DC. Bull. Torr. Bot. Club, 
31:6. Jan. 1904. 
Aecidium oxalidis Thiim. [alternate form of Puccinia sorghi 
Schw. Arthur]. Bot. Gaz. 38:64. July 1904. 
Aecidium on Oxalis cymosa Small. [Successful cultures on 
Maize — uredo produced. Arthur.] 
Aecidium pustulatum Curt. [Obtained in cultures by applying 
puccinial teleutospores from Andropogon scoparius to Com- 
andra umbellata (L.) Nutt. Puccinia pustulata (Curt.) n. n. 
Arthur.] Jour. Mycol. 10:17. Jan. 1904. 
Aecidium ranunculi Schw., on Ranunculus abortivus L. [Used 
in cultures on Eatonia pennsylvanica (DC.) A. Gr. — ob¬ 
taining uredospores and teleutospores (Puccinia rubigo-vera 
Am. Auct. p. p.) Arthur.] Jour. Mycol. 10:18. Jan. 
1904. 
Aecidium recedens Aruthur n. sp., on Solidago mollis Barth 
Bull. Torr. Bot. Club, 31 :y. Jan. 1904. 
Aecidium sambuci Schw., see Puccinia thompsonii Hume, Cul¬ 
tures. . . . 
Aecidium tuberculatum E. & K., a perennial species. [Carle- 
ton.] U. S. Dept. Agr. Bureau PI. Industry, Bull. 63:27. 
12 July 1904. 
Aecidium violascens Trelease n. sp., on leaves of Geranium 
erianthum, on a leaf with Puccinia geranii-silvatici. Alaska, 
Har. Exped. 5 :37. 5 April 1904. 
Aecidium williamsi Ricker n. sp., on leaves and stems of Litho- 
spermum angustifolium Mx. Jour. Mycol. 10:165. July 
1904. 
Aira caespitosa brevifolia, host to Didymosphaeria arenaria mic- 
rospora Sacc. & Scalia n. subsp. Alaska, Har. Exped. 5:30. 
5 April 1904. 
Aira atropurpurea, host to Stagonospora graminum Sacc. & 
Scalia n. sp. Alaska, Har. Exped. 5 :20. 5 April 1904. 
Alaska, fungi of, see Alaska, Harriman Exp. . . . 
Aleuria wisconsinensis Rehm n. sp., ad terrem. Ann. Mycolog. 
2:34. Jan. 1904. 
Aleurina lloydiana Rehm n. sp. ad terram. Ann. Mycolog. 
2:35. Jan. 1904. 
Alnus, bark, host to Limacinia ? alaskensis Sacc. & Scalia n. sp. 
Alaska, Har. Exped. 5 :35. 5 April 1904. 
