May 1902 ] bidex to North American Mycology 
35 
Dictyostelium aureum Olive nov. sp., on dung of mouse. Proc. 
Amer. Acad. Arts & Sci. 37:340. Dec. 1901. 
Dictyostelium brevicaule Olive nov. sp., on dung of Sheep and 
Goat. Proc. Amer. Acad. Arts & Sci. 37:340. Dec. 1901. 
Dictyostelium purpureum Olive nov. sp., on dung of mouse, 
toad, cow, horse, sheep, muskrat. Proc. Amer. Acad. Arts 
& Sci. 37:340. Dec. 1901. 
Dictyocephalos Underwood gen. nov. (Tylostomaceae.) Bull. 
Torr. Bot. Club, 28:441. Aug. 1901. 
Dictyocephalos curvatus Underwood sp. nov. Bull. Torr. Bot. 
Club. 28:441. Aug. 1901. 
Dinwiddie, R. R. Investigations of some Diseases in Arkansas. 
(Bacterial.) Ark. Agr. Exp. Sta. Bull. 67:27-47. 1901. 
Dioicomyces Thaxter nov. gen. (Laboulbeniaceae.) Proc. 
Amer. Acad. Arts & Sci. 37:33. June 1901. 
Dioicomyces anthici Thaxter nov. sp., on Anthicus floralis Linn. 
Proc. Amer. Acad. Arts & Sci. 37:34. June 1901. 
Dioicomyces onchophorus Thaxter nov. sp., on elytron of An- 
thiscus floralis Linn. Proc. Amer. Acad. Arts & Sci. 37:34* 
June 1901. 
Dioicomyces spinigerus Thaxter nov. sp., on Anthiscus floralis 
Linn. Proc. Amer. Acad. Arts & Sci. 37:34. June 1901. 
Diplodia cacaoicola P. Henn.; a parasitic fungus on Sugar-Cane 
and Cacao in the West Indies. Ann. Bot. 15 :683"7 oi. 1 pi. 
Dec. 1901. 
Discomycetes, Studies in North American. I. The Genus 
Holwaya Sacc. Elias J. Durand. Bull. Torr. Bot. Club, 
28:349-355. June 1901. 
Diseases, Bean, and their Remedies. Byron D. Halsted. N. J. 
Agr. Exp. Sta. Bull. 151:2-28. 4 pi. 1 June 1901. 
Disease in Plants, Pp. IX & 309. H. Marshall Ward. London. 
1901. (Some work of American mycologists and some 
American Fungi noted.) 
Diseases, Swine, Investigation of some. (Bacteria.) R. R. 
Dinwiddie. Ark. Agr. Exp. Sta. Bull. 67:27-47. 1901. 
Diseases of Trees likely to follow from mechanical Injuries. 
William G. Farlow. Trans. Mass. Hort. Soc. 1901 M40- 
154. 1901. 
Distegia involucrata, dead twigs, host to Otthia distegiae Tracy 
& Earle n. sp. PI. Bakerianae, 1:29. 22 Feb. 1901. 
Dog, see dung of . 
Duggar, B. M. & Stewart F. C. The sterile Fungus Rhizocto- 
nia as a cause of plant Diseases in America. Bull. Cornell 
Univ. Exp. Sta. 186:51-76. Jan. 1901. 
