Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 639
getates in damp shady situations whichare favourable to the nutritive processes, it does not readily producethe true fructification, which is to be looked for rather in plantsgrowing in more exposed places. Each of the stalked peltate(shield-like) discs contains a number of flask-shaped cavities… … Fig. 447.—Gemmiparous conceptaclesof Marchantia polymorplia: A, con-ceptacle fully expanded, rising fromthe surface of the frond, a, a, andcontaining gonidial gemmae alreadydetached. B, first appearance ofconceptacle on the surface of thefrond, showing the formation of itsfringe by the splitting of…
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