. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Børgesen : Rhodophycea of the Danish W. Indies. Ill Cutting a transverse section we find that the thallus con- sists in the middle of irregularly most often dichotomously ra- mified cylindrical filaments which run in all directions in the mucilage found here; they have a diameter of about 8// but both thicker and thin- ner also occur. The peripheral tissue (Figs. 119 and 120) reaches a thick- ness of about 90,«, not count- ing the papillæ. The inner- most cell-layer has the largest cells; these are rounded poly- gonal, rather closely united
. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Børgesen : Rhodophycea of the Danish W. Indies. Ill Cutting a transverse section we find that the thallus con- sists in the middle of irregularly most often dichotomously ra- mified cylindrical filaments which run in all directions in the mucilage found here; they have a diameter of about 8// but both thicker and thin- ner also occur. The peripheral tissue (Figs. 119 and 120) reaches a thick- ness of about 90,«, not count- ing the papillæ. The inner- most cell-layer has the largest cells; these are rounded poly- gonal, rather closely united, about 70// broad and 40« high but larger and smaller ones also occur. The cells in the middle are smaller, roundish, but larger lobed cells are common (Fig. 119 a); the cells in this layer are about 30 iJL high. Between. Fig. 120. Galaxaura occidentalis noy. spec. Transverse section of the peri- pheral tissue shovving the campanulate chromatophores with the large pyre- noid above. Below the nucleus is maid visible by staining, (About 370:1).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Dansk botanisk forening. Kbenhavn : Dansk botanisk forening
Size: 1495px × 1672px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectio, bookdecade1910, booksubjectplants
