. College botany; structure, physiology and economics of plants. Botany. DICOTYLEDONOUS PLANTS 351 The genus Rubus includes the many species and varietiee of the blackberries, dewberries and raspberries (Figs. 189, 190). Sub-Family—Potentillece (Strawberries).—Ovaries supe- rior, carpels few to many, becoming dry achenes; fruit a mass of dry achenes or a pulpy receptacle, bearing minute, dry Fig. 190.—Blackberry, a-form o'i aggregate fruit. The Fragaria includes the many species and varieties of the strawberrj^ (Figs. 191, 192, 193). LEGUMiNOSiE (Pea or Pulse Family).—Herbs,
. College botany; structure, physiology and economics of plants. Botany. DICOTYLEDONOUS PLANTS 351 The genus Rubus includes the many species and varietiee of the blackberries, dewberries and raspberries (Figs. 189, 190). Sub-Family—Potentillece (Strawberries).—Ovaries supe- rior, carpels few to many, becoming dry achenes; fruit a mass of dry achenes or a pulpy receptacle, bearing minute, dry Fig. 190.—Blackberry, a-form o'i aggregate fruit. The Fragaria includes the many species and varieties of the strawberrj^ (Figs. 191, 192, 193). LEGUMiNOSiE (Pea or Pulse Family).—Herbs, shrubs and trees; leaves alternate, stipulate, compound, rarely simple; flowers perfect, regular or irregular; sepals five, more or less. 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 Cook, Melville Thurston, 1869-1952. Philadelphia and London, J. B. Lippincott Company
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbotany, bookyear1920
