. The Bible and science. Fig. 21.—Musliroom, showing stalk or pileus, on the gills of which the spores grow. with their different contents are formed, and fromtheir union a spore again Fig. 22.—Hair moss. a. The stalk, or seta, bearing a spore case or A sporangium covered by its hood or calyptra. c. Head of antheridiabearing the male inflorescence. 80 ALTERNATION OF GENERATIONS. In ferns a flat cellular alga-like expansion, orprothallium, grows from the spore, and on it areproduced the antheridia and oogonia, from ^^hichthe spore-bearing plant is produced. In both mosses
. The Bible and science. Fig. 21.—Musliroom, showing stalk or pileus, on the gills of which the spores grow. with their different contents are formed, and fromtheir union a spore again Fig. 22.—Hair moss. a. The stalk, or seta, bearing a spore case or A sporangium covered by its hood or calyptra. c. Head of antheridiabearing the male inflorescence. 80 ALTERNATION OF GENERATIONS. In ferns a flat cellular alga-like expansion, orprothallium, grows from the spore, and on it areproduced the antheridia and oogonia, from ^^hichthe spore-bearing plant is produced. In both mosses and ferns, then, we have an alterna-tion of generations, the spore germinating into a plant
Size: 1120px × 2231px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectnaturalhistory, booky
