The journal of the Horticultural Society of London . rdson some bulbs of Tulips which were attacked by SclerotiumCepce, Lib., and Sporotrichum polysporum, Link. I have laidbefore the Society of Biology an account of a disease very pre-valent in tulip-roots sent me by M. Rayer. I have clearly esta-blished the fact that it is due to parasitic fungi. In some betweenthe scales of the bulb I found a large number of globular grains,black and shining when fresh, and of the size of a grain of parasitical bodies, already observed by Madame Libert inBelgium, and in England by Mr. Berkeley, up
The journal of the Horticultural Society of London . rdson some bulbs of Tulips which were attacked by SclerotiumCepce, Lib., and Sporotrichum polysporum, Link. I have laidbefore the Society of Biology an account of a disease very pre-valent in tulip-roots sent me by M. Rayer. I have clearly esta-blished the fact that it is due to parasitic fungi. In some betweenthe scales of the bulb I found a large number of globular grains,black and shining when fresh, and of the size of a grain of parasitical bodies, already observed by Madame Libert inBelgium, and in England by Mr. Berkeley, upon bulbs, whosefurther development they had prevented, have been referred toSclerotium by these two cryptogamists. Other bulbs presentedas the cause of evil a very different parasite from the first. Theroots and the base of the scales were deformed by bundles ofwhite threads, which, examined under the microscope, belongedcertainly either to Sporotrichum polysporum, Lk., or to somevery nearly allied species. 26 STUDY OF SAFFRON Dissections of Saffron Disease, from a drawing by M. Montagne. Thefigures magnified 300 diameters. 1, healthy cells, of which a is filledwith starch; 2, a diseased cell; 3, stratum of compressed cells. EXPERIMENT IN PACKING RIPE NECTARINES. 21 III. — Account of an Experiment in packing ripe fruit of theBoston Nectarine, in boxes surrounded with ice, and trans-witting it from Boston to London. By Robert Thompson. The following- is a copy of a letter from Stephen H. Perkins,Esq., Brookline, near Boston, Massachusetts. In the year 1821 my father, Samuel G. Perkins, who wasthen a corresponding member of the Horticultural Society, sentto the Secretary two plants, and a drawing, of a new variety ofNectarine, which was named in London the Boston of the plants was sent to the garden of Mr. Knight, and oneto the garden of the Society, but, as I understand, neither hasever borne fruit. The garden in which this fruit is raised,
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