. A text-book of botany for secondary schools. Botany. 170 A TEXT-BOOK OP BOTAXY it, one of them fuses with the egg, and an oospore is formed. It is evident that fertihzation can take place only in the presence of moisture. A B Fig. —Mnrchantia: A, thallus bearing archegonial branches of various ages; B, section through portion of archegonial dislc, showing pen<lant archegonia.—After Kny. Fig. 166.—Marchan- tia: archegonium, containing an egg; sperms seen at the mouth of the neck. —.\fter Kny. 95. The spore-case. it begins to germinate;. Please note that these images are ex
. A text-book of botany for secondary schools. Botany. 170 A TEXT-BOOK OP BOTAXY it, one of them fuses with the egg, and an oospore is formed. It is evident that fertihzation can take place only in the presence of moisture. A B Fig. —Mnrchantia: A, thallus bearing archegonial branches of various ages; B, section through portion of archegonial dislc, showing pen<lant archegonia.—After Kny. Fig. 166.—Marchan- tia: archegonium, containing an egg; sperms seen at the mouth of the neck. —.\fter Kny. 95. The spore-case. it begins to germinate;. 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 Coulter, John Merle, 1851-1928. New York, D. Appleton
Size: 1877px × 1332px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1906
