The American monthly microscopical journal . J. Doherty in the Journals from January to April, 1887, may be sentthrough the Business Manager, P O. Box 630, Washington, D. C. A few copies of Leidys Fresh-Water Rhizopods, of North America, can still be had at $ per copy.—PO. Box 630, Washington, D. C. Remittances should be made by postal notes, money orders, or by money sent in registered letters. Draftsshould be made payable in Washington, New York, Boston, or Philadelphia, to the order of the Manager. The first volume, 1880, is entirely out of print. The succeeding volumes will be sent by
The American monthly microscopical journal . J. Doherty in the Journals from January to April, 1887, may be sentthrough the Business Manager, P O. Box 630, Washington, D. C. A few copies of Leidys Fresh-Water Rhizopods, of North America, can still be had at $ per copy.—PO. Box 630, Washington, D. C. Remittances should be made by postal notes, money orders, or by money sent in registered letters. Draftsshould be made payable in Washington, New York, Boston, or Philadelphia, to the order of the Manager. The first volume, 1880, is entirely out of print. The succeeding volumes will be sent by the publisher forthe following prices which are net:—Vol. \l (1881) complete, $; Vol. HI (18S2), out of print; Vol. IV(1883) complete, $1.^0 ; Vol. V (1884) complete, ^ ; Vol. V (1884), Nos. 2-12, ; Vol. VI (1885), $ ;Vol. VII (1886), ; Vol. VIII (1887), $ As calls for Volumes I and III sometimes occur, those personshaving copies to dispose of would do well tc inform us, and to state their II a 3). ® ^ ^ ® ®«(gr® ^ <f^% SMUT OP WHEAT AND OATS THE AMERICAN MONTHLY MICROSCOPICAL JOURNAL, Vol. IX. JULY, 1888. No. 7. Smut of wheat, oats, and barley.* Ustilago carbo. Tul. Even the most unobservant person who has walked through a field of wheat,oats, or barley must have noticed smutted ears. Instead of the healthy spike orpanicle of grain, sooty and ragged masses of black dust and scales are seensurmounting the fruiting stems of the corn. In some places the disease iscalled chimney-sweeper, in others black-ball, dust-brand, or smut. Incertain districts it is erroneously termed bunt, which is a totally differentdisease of corn. The black powder is produced in such profusion that it isimpossible to gather a few diseased ears without the hands being soiled as ifwith soot. We have heard smutted ears called the male flowers of corn,the erroneous idea being that these diseased ears ai^e the black pollen-bearingplant. Some districts are more
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmicroscopy, bookyear1
