. Botany for agricultural students. Plants. GAMETOPHYTE 431 spores as in the Interrupted Fern (Osmunda Claytonia) {Fig. 382). In some like the Sensitive Fern {Onoclea sensibiUs), common along roadsides and in wet meadows, there are two distinctly different kinds of fronds, one of which is entirely devoted to bearing spores and the other entirely to vegetative work (Fig. 383). This separation of spore-bearing and vegetative tissues is adhered to more closely in some other Pteridophytes than in the True Ferns, and it is a feature. Fig. 382. — a portion of a leaf of the Interrupted Fern {Osmunda

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. Botany for agricultural students. Plants. GAMETOPHYTE 431 spores as in the Interrupted Fern (Osmunda Claytonia) {Fig. 382). In some like the Sensitive Fern {Onoclea sensibiUs), common along roadsides and in wet meadows, there are two distinctly different kinds of fronds, one of which is entirely devoted to bearing spores and the other entirely to vegetative work (Fig. 383). This separation of spore-bearing and vegetative tissues is adhered to more closely in some other Pteridophytes than in the True Ferns, and it is a feature. Fig. 382. — a portion of a leaf of the Interrupted Fern {Osmunda Claytonia), showing a pair of vegetative leaflets above and below and between them two pairs of spore-bearing 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 Martin, John N. (John Nathan), b. 1875. New York, John Wiley ; London, Chapman & Hall

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectplants, bookyear1919