Journal of Agricultural Research . D, C. S. 1919. COTTON ROOTROT SPOTS. In JouT. AgT. Research, v. 18, p. 305-310, 7 fig- 7) Shantz, H. L., and Piemeisel, R. L. 1917. FUNGUS FAIRY RINGS IN EASTERN COLORADO AND THEIR EFFECT ON VEGE- TATION. In Jour. Agr. Research, v. 11, p. 191-246, 15 fig., pi. 10-30.Literature cited, p. 242-245. 8) Shear, Cornelius Lott. 1907. NEW SPECIES OF FUNGI. In Bul. Torrey Bot. Club, v. 34, p. 305-317. PLATE I A.—A conidial mat i day old. Still increasing its area by active growth on theperiphery where the pronounced white color is shown. The stromatic myceliumwhich sp
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Journal of Agricultural Research . D, C. S. 1919. COTTON ROOTROT SPOTS. In JouT. AgT. Research, v. 18, p. 305-310, 7 fig- 7) Shantz, H. L., and Piemeisel, R. L. 1917. FUNGUS FAIRY RINGS IN EASTERN COLORADO AND THEIR EFFECT ON VEGE- TATION. In Jour. Agr. Research, v. 11, p. 191-246, 15 fig., pi. 10-30.Literature cited, p. 242-245. 8) Shear, Cornelius Lott. 1907. NEW SPECIES OF FUNGI. In Bul. Torrey Bot. Club, v. 34, p. 305-317. PLATE I A.—A conidial mat i day old. Still increasing its area by active growth on theperiphery where the pronounced white color is shown. The stromatic myceliumwhich spreads i or 2 cm. in advance of the conidiphores is identical with the charac-teristic Ozonium form on the roots of infected plants. B.—Conidial mats forming in holes made by rodents. Mats on the inside of gopherrunways have been observed to remain well preserved for a month after the last ofthe fruiting bodies on the surface of the ground had been disintegrated by weatheringagencies. Habits of the Cotton Rootrot Fungus Plate I.