. The botany of crop plants; a text and reference book. Botany, Economic. 360 BOTANY OF CROP PLANTS which spring from the crown of the plant. The flowers are usually perfect; however, there are some varieties (Bisel, Princess, Warfield, etc.) which have only pistillate flowers (Fig. 150); there are no commercial varieties that have only staminate flowers. In planting varieties with pistillate flowers only, it is necessary to have rows near-by planted to pollen-bearing individuals. Some perfect-flowered varieties. siamens^ petal achene lobe cahx \ rim oj receptacle '^jleshy receptacle Fig. 151-
. The botany of crop plants; a text and reference book. Botany, Economic. 360 BOTANY OF CROP PLANTS which spring from the crown of the plant. The flowers are usually perfect; however, there are some varieties (Bisel, Princess, Warfield, etc.) which have only pistillate flowers (Fig. 150); there are no commercial varieties that have only staminate flowers. In planting varieties with pistillate flowers only, it is necessary to have rows near-by planted to pollen-bearing individuals. Some perfect-flowered varieties. siamens^ petal achene lobe cahx \ rim oj receptacle '^jleshy receptacle Fig. 151-—Sti-awberry (Fragaria chiloensis). Median lengthwise section of flower. X 4. (Glen Mary and Crescent) bear very few stamens, and hence are practically self-sterile. The receptacle is convex or con- ical (Fig. 151). The calyx is five-parted, with five bracteoles (epicalyx) below, that are persistent in the fruit. There are five obovate, short-clawed petals, attached to the rim of. 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 Robbins, Wilfred William, 1884-1952. Philadelphia, P. Blakiston's Son & Co
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectbotanyeconomic
