Milk: Good surface growth; growth in medium cloudj'. Aerial mj'celium scant, white. Rapidly coagulated and gradually peptonized. Potato: Gray to olive-graj' growth. Aerial mj'celium either absent or white, turning gray. Soluble brown pigment. Starch is hydrolj-zed. Tyrosinase reaction: Negative. Nitrites usually produced from nitrates. Optimum temperature 37.5° C. Source: Isolated from ruptured, pitted type potato scab. Habitat: Soil. 127. Streptoniyces loidensis (Millard and Burr, 1926) Waksman, 1953. {Actinomy- ces loidensis Millard and Burr, Ann. Appl. Biol., 13, 1926, 601; Waksman, in Waksman and Lechevalier, Actinomycetes and Their Antibiotics, Baltimore, 1953, 110.) lo.i.den'sis. M.L. adj. loidensis pertaining to Loidy; named for Loidy, a place in Siberia. Aerial mycelium: Spores cylindrical to spherical, 0.9 to 0.95 by 0.9 to 1.0 micron. Gelatin: Gray growth with scant, white aerial mycelium. Soluble yellow pigment. Rapid liquefaction. Synthetic sucrose agar: Thin, flat, gray to 3'ellowish olive growth. Aerial mycelium scant, olive-colored. Soluble yellow pig- ment. Synthetic glucose agar: Thin, graj'ish olive growth. Aerial mycelium olive-buff. Soluble, light golden to yellowish pigment. Potato agar: Good, gray growth. Aerial mycelium olive-buff. Soluble, golden brown pigment. Glycerol synthetic solution : Flaky growth, mostly at bottom. Aerial mycelium scant, buff-colored. Glucose broth: Growth on surface and at bottom good, gray to golden brown. Aerial mycelium olive-buff. Soluble, golden brown pigment. Milk: Excellent surface growth covered with white aerial mj'celium. Coagulated; rapidly peptonized. Starch is hydrolyzed. Tyrosinase reaction: Negative. Nitrites not produced from nitrates. Grows well at 37.5° C. Source: Isolated from a medium-sized ruptured potato scab. Habitat: Found in potatoes so far as known. 128. Slreptomyces wedmorensis (Mil- lard and Burr, 1926) Waksman, 1953. (.4c- tinomyces wedmorensis Millard and Burr, Ann. Appl. Biol., 13, 1926, 601; Waksman, in Waksman and Lechevalier, Actinomy- cetes and Their Antibiotics, Baltimore, 1953, 110.) wed.mo.ren'sis. M.L. adj. wedmorensis pertaining to Wedmore; named for Wed- more, a city in England. Aerial mycelium: Sporophores simple, straight, branched, closely septated. Spores ellipsoidal to cylindrical, 0.6 to 0.8 by 0.8 to 0.9 micron. Gelatin : Fair growth. No aerial mycelium. Liquefaction. Synthetic sucrose agar: Flat, thin, gray- ish growth covered with white to gray aerial mycelium. Synthetic glucose agar: Good, grayish growth with crater-like dark spots. Mod- erate amount of gray aerial mycelium. Potato agar: Wrinkled, good, grayish growth. No aerial mycelium. Glycerol synthetic solution: Good growth in form of spongy masses at bottom and numerous colonies throughout medium; surface growth granular. Aerial mycelium gray, flecked with white. Glucose broth: Small flakes and minute colonies at bottom and at surface. Milk: Greenish surface growth. Coagu- lated; slowly peptonized. Potato: Wrinkled, grayish growth covered with white aerial mycelium. Plug pigmented drab. Starch is hydrolyzed. Tyrosinase reaction: Negative. Nitrites produced from nitrates. Grows well at 37.5° C. Source: Isolated from peat soil. Habitat: Soil. 129. Slreptomyces scabies (Thaxter, 1891) Waksman and Henrici, 1948. (Oospora scabies Thaxter, Ann. Rept. Conn. Agr. Exp. Sta., 1891, 153; Waksman and Henrici, in Manual, 6th ed., 1948, 957.)
