. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. ctly marked tribes, but it has been proposed to separate certain Orders from themunder the name of Byssacese, Gasteromyci, and Hypoxyla : the first comprehendingthe filamentous Fungi found in cellars, and similar plants ; the second Lycoperdonsand the like ; and the third species which approach Lichens in the formation of a dis-tinct nucleus for the sporules, such as Sphteria. But Fries considers the first as adistinct group, and the two last as Fungi. Some writers have questio
. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. ctly marked tribes, but it has been proposed to separate certain Orders from themunder the name of Byssacese, Gasteromyci, and Hypoxyla : the first comprehendingthe filamentous Fungi found in cellars, and similar plants ; the second Lycoperdonsand the like ; and the third species which approach Lichens in the formation of a dis-tinct nucleus for the sporules, such as Sphteria. But Fries considers the first as adistinct group, and the two last as Fungi. Some writers have questioned the propriety of considering Fungi as plants, and Fig. XXI.—Botrj-tis curta. Fig. XXII.—1. Spore-stalk of Agaricus elixus, with its four long sterigmata and small spores ; of Ag. semiovatus, with spores in various states of development; 3. asci and sporidia ofHelvella elastica ; 4. sporidium of Tuber magnatum (Piedmontese Truffle),/Voh! a sketch hy Dr. Mon-tague ; 5. sporidium of Peziza aurantia, with its two nuclei ; 6. single sporidium of Helvella elastica,with a large globose nucleus. D. 34 FUNGALES. [Thallogens. have proposed to establish them as an independent Kmgdom, equally distinct fromanimals and vegetables ; others have entertained doubts of their being more thanmere fortuitous developments of vegetable matter, called into action by special con-ditions of light, heat, earth, andair — doubts wliich have beencaused by some remarkable cir-cumstances connected with theirdevelopment, the most materialof which are the following : theygrow with a degree of rapidity un-known in other plants, acquiringthe volume of many inches in thespace of a night, and are frequentlymeteoric, that is, spring up afterstorms, or only in particular statesof the atmosphere. It is possibleto increase particular species withcertainty, by an ascertained mix-ture of organic and inorganic mat-ter exposed to Avell-known atmo-spheric conditions, as is proved bythe process adopt
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