File:The structure and development of mosses and ferns (Archegoniatae) (1918) (14784991875).jpg

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Description
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Identifier: structuredevelop00camp3 (find matches)
Title: The structure and development of mosses and ferns (Archegoniatae)
Year: 1918 (1910s)
Authors: Campbell, Douglas Houghton, 1859-1953
Subjects:
Publisher: New York, Macmillan
Contributing Library: The LuEsther T Mertz Library, the New York Botanical Garden
Digitizing Sponsor: The LuEsther T Mertz Library, the New York Botanical Garden

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Text Appearing Before Image:
Fig. 41.—a, Pallavicinia cylindrica, X4; per, the elongated perianth; B, Aneura pin-natiUda, X6; J, archegonial branches; C-E, Fossombronia longiseta, X4; F, Blasiapusilla, X4. cinaj in vertical section the cell is nearly semicircular, i. e., herethere are but three sets of segments, two lateral ones and abasal one, extending the whole depth of the thallus, and only m THE JUNGERMANNIALE^ 02
Text Appearing After Image:
Fig. 42.—A, Vertical, B, C, horizontal sections through the apex of Pallaviciniacylindrica; x, apical cell, A, X225; B, C, X450; D, E, Pellia epiphylla; U, ver-tical section; E, horizontal (optical) section, X4S0. 92 MOSSES AND FERNS CHAP. later showing a division into ventral and dorsal cells. Prob-ably this type has been derived from the former by a gradualincrease in the size of the angle formed by the dorsal and ven-tral walls of the apical cell, which finally became so great asto practically form one plane. The antheridium of Pellia is larger than that of Aneura,but its development is very similar except that the stalk ismulticellular, as it is in the other Anacrogynse. The sperma^tozoids of Pellia (Fig. 40, D, E), are much larger than thoseof Aneura, but are exceeded in size by those of the allied genusMakinoa (Miyake (2)). \ \^ / /

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  • bookid:structuredevelop00camp3
  • bookyear:1918
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Campbell__Douglas_Houghton__1859_1953
  • bookpublisher:New_York__Macmillan
  • bookcontributor:The_LuEsther_T_Mertz_Library__the_New_York_Botanical_Garden
  • booksponsor:The_LuEsther_T_Mertz_Library__the_New_York_Botanical_Garden
  • bookleafnumber:104
  • bookcollection:biodiversity
  • bookcollection:NY_Botanical_Garden
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
30 July 2014

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