(92) 
Stakman, E.C. The black stem rust and the barberry. ( Yearbook U. S. Dept. Agric. 
[1918] 1919, p. 75—100. Pl. I-IX, Fig. 1.) i 
Stakman, E. C. and Hoerner, G.R. The occurrence of Puccinia graminis tritici compacti 
in the southern United States. (Phytopathology VIII [1918], p.141—149, 2 Figs.) 
Stakman, E. C. and Krakover, L. J. Puccinia graminis on natives Berberis cana- 
densis. (Phytopathology X [1920], p. 305—-306.) 
Stakman, E. C. and Levine, M. N. Rye smut. (Minnesota Agric. Experim. Stat. 
Bull. 160 (1916], 19 pp., 6 Fig.) 
Stevens, F. L. Some Meliolicolous Parasites and Commensals from Porto Rico. (Bot. 
Gazette Vol. LXV [1918], p. 227—249, Pl. V—VI.) 
— Foot-rot disease of wheat. Historical and bibliographic. (Illinois Nat. Hist. Surv. 
" Bull. XIII [1919], p. 259—286, 1 Fig.) 
— Problems of Plant Pathology. (Bot. Gazette LXIII [1917], p.. 297—306.) 
— The Relation of Plant Pathology to Human Welfare. (Am. Journ. Bot. VIH 
[1921], p. 315—322.) : 
Stevens, H. E. Citrus canker III. (Florida Agric. Experim. Stat. Bull. 128 [1915], 
20 pp-, 6 Figs.) 
— Report of the plant pathologist. (Florida Agric. Experim. Stat. Report [1916] 
1917, p. 66 R—79R., Fig. 10—11.) 
— Lightning injury to citrus trees in Florida. (Phytopathology VII [1918], 
p- 283—285, 1 Fig.) 
— Recovery ofa tree from a lightning stroke. (Phytopathology VI1[1916], p. 204—206.) 
—- Report of plant pathologist. Citrus diseases. (Ibidem Report [1917] 1918, 66 R.— 
75 R., 2 Fig.) ) 
— Melanose II. (Florida Agric. Experim. Stat. Bull. 145 [1918], p. 103—116, 
Fig. 26—31.) 
Stevenson, J. A. The mottling or yellow-stripe disease of sugar cane. (Journ. Dept. 
Agric. Porto Rico II [1919), p. 3-76.) 
— Citrus scab in Porto Rico. (Porto Rico Dept. Agric. and Lab.. Experim.. Stat. 
Bull. XVIl [1917], 16 pp.) 
— Wood rot of citrus trees, (Porto Rico Dept. Agric. and Lab. Experim. Stat. 
Rio Piedras Circ. X [1917], 10 pp.) 
— An epiphytotic of cane disease in Porto Rico. (Phytopathology VII [1917], 
p. 418—425, 2 Figs.) 
— The green ruscardine fungus in Porto Rico. (Journ. Departm. Agric. Porto Rico II 
{1918}, p. 1932, 1 Pl.) 
— Report of the Department of Pathology and Botany. (Ann. Rep. Ins. Experim. 
Stat. Porto Rico 1917, p. 37—83.) 
Stevenson, J. A. and Rose, R.C. Vegetable diseases. (Ann. Rep. Ins. Experim. Stat. 
[Porto Rico 1917], p. 83—98.) i 
Stewart, F. C. The velvet-stemmed Collybia. — A wild winter mushroom. (Bu. 
New York Agric. Exp. Stat. Geneva Nr. 448 [19181.) 
— A Phoma blight of red cedar. (Phytopathology VIII [1918], p. 33—34.) : 
— Notes’ on New York plant diseases II. (New York Agric. Experim. Stat. Bull. 
no. 463 [1919], p. 3-9, Pl. I-IL.) 
Stewart, V. B. Some important leaf diseases of nursery stock. (Cornell Agric. Exp. 
Stat. Bull. 358 [1915], p. 169-226, Fig. 66-94.) rn 
— Exclusion legislation and fruit tree BeoBeeee (Phytopathology VI EM 
P- 360— 364.) 
