. A text-book of botany for secondary schools. Botany. 312 A TEXT-BOOK OF BOTANY Some of the well-known forms, either wild or in culti- vation, are ironweed, .ageratum, blazing star, goldenrod, daisy, aster, everlasting, rosinweed (compass plant), rag-. A 1) Fig. 299.—Dandelion: A, two flower-atalka, one head being closed and showing the double involucre, the other open and showing all the corollas strap-shaped; B, single flower; C, akene; D, receptacle, with single pappus-bearing akene.— After Strasburger. weed, cockle-bur, zinnia, sunflower, dahlia, cosmos, mari- gold, chrysanthemum, tansy,
. A text-book of botany for secondary schools. Botany. 312 A TEXT-BOOK OF BOTANY Some of the well-known forms, either wild or in culti- vation, are ironweed, .ageratum, blazing star, goldenrod, daisy, aster, everlasting, rosinweed (compass plant), rag-. A 1) Fig. 299.—Dandelion: A, two flower-atalka, one head being closed and showing the double involucre, the other open and showing all the corollas strap-shaped; B, single flower; C, akene; D, receptacle, with single pappus-bearing akene.— After Strasburger. weed, cockle-bur, zinnia, sunflower, dahlia, cosmos, mari- gold, chrysanthemum, tansy, sage-brush, burdock, thistle, and dandelion. The only plant extensively used for food is lettuce. 175. Other useful S3rmpetalse.—Some well-known plants that are not included in the families given above, but that. 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
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1906
