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Flora of Nebraska Volume 1-2 download torrent

Flora of Nebraska Volume 1-2 download torrent

Flora of Nebraska Volume 1-2.cUniversity Of Nebraska Seminar
Flora of Nebraska Volume 1-2
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Author: University Of Nebraska Seminar
Number of Pages: 38 pages
Published Date: 12 Sep 2013
Publisher: Theclassics.Us
Publication Country: United States
Language: English
Format: PDF
ISBN: 9781230860329
File Name: Flora.of.Nebraska.Volume.1-2.pdf
Download Link: Flora of Nebraska Volume 1-2
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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 edition. Excerpt: ... inflated; zygospore lenticular, brown at maturity, 102x84 //. Lincoln. PI. X., Figs. 2 and 2 a. Spirogyra crassa Kuetz. Phyc. Gener. 280. 1843. Vegetative cells 150-156 // in diam., 1-114 times as long; bands numerous, denticulate or tuberculate, making to 1 turn or more in each cell; zygogonium not inflated; zygospore broadly oval, elliptical, or ovoid, 144x150//. Lincoln, South Bend, common. PI. XI., Figs. 1 and 1 a. Pamily.-MUCORACEAE. "Mycelium well developed, thread-like (i. e., with hyphae), branched, up to the time of fructification unicellular (i. e., without septa). Asexual reproduction by internal spore-formation in terminal cells (sporangia) or by reduced sporangia which resemble one-celled conidia or conidia-chains. Sexual spore-formation by zygospores; that is, by the union of two undifferentiated or scarcely differentiated cells to form a zygospore. All spores germinating by a germinating tube; no swarmspore formation."--(Schroeter). The Mucoraceae are a well marked group containing about 18 genera and 120-125 species, which are saprophytes or parasites on other fungi, chiefly of the same group. The group is now divided into 5 sub-families, of which 2 only are represented in Nebraska. In the formation of zygospores the Mucoraceae agree with the Conjugatae All of the sub-families except the Cephalideae form the zygospore directly by the union of the contents of the two conjugating cells, as in the Zygnemeae. In the Cephalideae the zygospore is formed in a new cell cut off by a partition wall from the cell formed by the conjugating cells, as in the Mesocarpeae. But the asexual spore-formation has no prototype in the Conjugatae. In this respect the Mucoraceae appear to be connected with the Chytridiaceae, certain...

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