. Plant studies; an elementary botany. Botany. Fig. 305. Eguisetum arvense, a common horsetail: X, three fertile shoots rising from the dorsiventral stem, showing the cycles of coalesced scale-leaves at the joints and the terminal strobili with numerous sporophylls, that at a being mature; 2, a sterile shoot from the same stem, showing branching; 3, a single peltate sporo- phyll bearing sporangia; 4, view of sporophyll from beneath, showing dehiscence of sporangia; 5, 6, 7, spores, showing the unwinding of the outer coat, which aide in dispersal.—After Wosbldlo,. Please note that these images
. Plant studies; an elementary botany. Botany. Fig. 305. Eguisetum arvense, a common horsetail: X, three fertile shoots rising from the dorsiventral stem, showing the cycles of coalesced scale-leaves at the joints and the terminal strobili with numerous sporophylls, that at a being mature; 2, a sterile shoot from the same stem, showing branching; 3, a single peltate sporo- phyll bearing sporangia; 4, view of sporophyll from beneath, showing dehiscence of sporangia; 5, 6, 7, spores, showing the unwinding of the outer coat, which aide in dispersal.—After Wosbldlo,. 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 and Company
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Keywords: ., bookauthorcou, bookcentury1900, bookdecade1900, booksubjectbotany
