The natural history of plants, their forms, growth, reproduction, and distribution; . eply the compact bark, and their hyphalfilaments ramify between its dead cells. Other plants, instead of piercing throughthe substance of the bark, lay themselves flat upon its surface, and grow to it sofirmly that if one tries to lift them away from the substratum, either part of thelatter breaks oflf, or the adnata cell-strata are rent, but there is no separation of theone from the other. If a tuft of moss ( Orthotrichum fallax, 0. tenellum, or0. pollens), growing on bark, or a liverwort { Fridlania
The natural history of plants, their forms, growth, reproduction, and distribution; . eply the compact bark, and their hyphalfilaments ramify between its dead cells. Other plants, instead of piercing throughthe substance of the bark, lay themselves flat upon its surface, and grow to it sofirmly that if one tries to lift them away from the substratum, either part of thelatter breaks oflf, or the adnata cell-strata are rent, but there is no separation of theone from the other. If a tuft of moss ( Orthotrichum fallax, 0. tenellum, or0. pollens), growing on bark, or a liverwort { Fridlania dilatata) closelyadherent to a similar basis, is forcibly removed, little fragments of the bark may be SAPROPHYTES IN WATER, ON THE BARK OF TREES, AND ON ROCKS. 107 always seen torn off with the rhizoids at the places where they issue from thestemlets. The same thing occurs in the case of the roots of tropical orchidsgrowing to the tree-trunks which constitute their habitat. The majority of thesetree-orchids nestle, no doubt, in mould-filled crevices of the bark, andnourish them-. Fig. Koots of a Tropical Orchid {Sarcanthus rostratus) assuniin^ the form of ielves, besides, by means of special aerial roots which hang down in white ropes^nd threads, like a mane, from the places where the plants are situated upon therees, and which will presently be described in detail. But a small section developstrap-shaped roots as well, which adhere firmly to the bark with their flat surfaces,hi*? phenomenon is most strikingly exhibited by the splendid PhalcBnopsi^ 108 SAPROPHYTES IN WATER, OX THE BARK OF TREES, AND ON ROCKS. Schilleriana, a native of the Philippine Islands; its roots are rigid, compressed,and about 1 cm. in breadth; the surface turned away from the trunk is slightly-convex, and has a granular structure and metallic glitter like a lizards or chame-leons tail. The surface towards the trunk is flat and without metallic glitter,and upon it, close behind the g
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1902
