. The natural history of the farm; a guide to the practical study of the sources of our living in wild nature. Natural history. Pig. 13. Leaf-form in three common sub- merged plants whose leaves ^ow in whorls surrounding the stem at the nodes: a, the common water-weed (Elodea canadensis or Philotria canadensis); 6, the water horn- wort (Ceratophyllum demersum); c, the water milfoil (MyriO' phyUum).. Fig. 14. Outlines of four common kinds of floating leaves: a, the floating river- weed (Potamogeton natans); 6, the spatter-dock {Nymphaa advena); c, the white water- lily iCastoillia odorata); d,

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. The natural history of the farm; a guide to the practical study of the sources of our living in wild nature. Natural history. Pig. 13. Leaf-form in three common sub- merged plants whose leaves ^ow in whorls surrounding the stem at the nodes: a, the common water-weed (Elodea canadensis or Philotria canadensis); 6, the water horn- wort (Ceratophyllum demersum); c, the water milfoil (MyriO' phyUum).. Fig. 14. Outlines of four common kinds of floating leaves: a, the floating river- weed (Potamogeton natans); 6, the spatter-dock {Nymphaa advena); c, the white water- lily iCastoillia odorata); d, the water shield (^Brasenia peltala).. 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 Needham, James G. (James George), 1868-1956. Ithaca, N. Y. , The Comstock Publishing Company

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky