Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 254. Spore of Funariahygrometrica Fig. 255. Prothallium and young plant. dense felt of branched confervoid threads results,which we term the prothallium, and forming thegreen film we may often notice in/spring coatingdamp walls and banks, and long mistaken for speciesof algae (figs. 253, 254, 255).- From various cells ofthis young plants are developed, whose fine radiclespenetrate the soil; their leaves shoot up, and theybecome like the parent from which the spore


Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . Fig. 254. Spore of Funariahygrometrica Fig. 255. Prothallium and young plant. dense felt of branched confervoid threads results,which we term the prothallium, and forming thegreen film we may often notice in/spring coatingdamp walls and banks, and long mistaken for speciesof algae (figs. 253, 254, 255).- From various cells ofthis young plants are developed, whose fine radiclespenetrate the soil; their leaves shoot up, and theybecome like the parent from which the spore ema-nated ; and being now capable of maintaining anindependent existence, the prothallium, no longerneeded, dies away, except in a few minute annual 250 HARDWICKES SCIENCE-GOSS IP. [Nov. 1, 1867. mosses of delicate texture, where it is persistentduring their whole life. But some mosses rarelyproduce fruit; yet it is necessary that their repro-duction should be ensured, and we find prothalliumalso developed from tubercles on the roots, fromgemmae or buds occurring on the leaves, or even fromthe cell-tissue of leaves themselves ; while iu somemosses a portion


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Keywords: ., bookcentury1800, booksubjectnaturalhistory, booksubjectscience