. Plants; a text-book of botany. Botany. Fig. 135. Equisetu7n arvense, a common horsetail: 1, three fertile shoots rising from the dorsivertral 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; S, a single peltate sporo- phyll bearing sporangia; A, view of spnrophyll from beneath, sho\\ ing dehiscence of sporangia; 5, 6, 7, spores, showing the unwinding of the outer coat, which aids in dispersal.—After Please note that these images are


. Plants; a text-book of botany. Botany. Fig. 135. Equisetu7n arvense, a common horsetail: 1, three fertile shoots rising from the dorsivertral 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; S, a single peltate sporo- phyll bearing sporangia; A, view of spnrophyll from beneath, sho\\ ing dehiscence of sporangia; 5, 6, 7, spores, showing the unwinding of the outer coat, which aids in dispersal.—After 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: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1900