. Botanisk tidsskrift. Plants; Plants -- Denmark. — o — 300 fi broad, the valves are semi-lunate with very fine radiating points, hyaline central space and coarser points within the margins, but the more robust striae which Van Heurck 1. c. p. 539 mentions, arc only obscure in my form. The girdle is very unecjual, narrow on the straight side and very broad on the curved side, so that the whole frustule resembles a piece of an orange. Curious is a curved fissure on the valves; in most specimens which I have seen, this fissure was a place of refuge for a little protist, probably. Please note tha


. Botanisk tidsskrift. Plants; Plants -- Denmark. — o — 300 fi broad, the valves are semi-lunate with very fine radiating points, hyaline central space and coarser points within the margins, but the more robust striae which Van Heurck 1. c. p. 539 mentions, arc only obscure in my form. The girdle is very unecjual, narrow on the straight side and very broad on the curved side, so that the whole frustule resembles a piece of an orange. Curious is a curved fissure on the valves; in most specimens which I have seen, this fissure was a place of refuge for a little protist, probably. 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 Botaniske forening i Kbenhavn; Botaniske forening i Kbenhavn. Journal de botanique; Dansk botanisk forening. Kbenhavn : G. E. C. Gads Forlag


Size: 1350px × 1851px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1860, bookpublisher, booksubjectplants