. The botany of crop plants; a text and reference book. Botany, Economic. LILIACE/E 233 sometimes borne in the axils of the leaves, and these may also develop into flower shoots. Leaf.—The first foliage leaf emerges from a slit in the cotyledon. AU leaves are very thick and fleshy, and over- lapping. There is no petiole. The oldest leaves are on the. lM<; 00 —A, base of stem of common onion (Allium cepa) showmg hollow leaves cut across; B. cross-section of hollow stem of same: C. base of stem o leek (Allium porrum) showing flattened solid leaves; D. cross-section of solid stem of same. outs
. The botany of crop plants; a text and reference book. Botany, Economic. LILIACE/E 233 sometimes borne in the axils of the leaves, and these may also develop into flower shoots. Leaf.—The first foliage leaf emerges from a slit in the cotyledon. AU leaves are very thick and fleshy, and over- lapping. There is no petiole. The oldest leaves are on the. lM<; 00 —A, base of stem of common onion (Allium cepa) showmg hollow leaves cut across; B. cross-section of hollow stem of same: C. base of stem o leek (Allium porrum) showing flattened solid leaves; D. cross-section of solid stem of same. outside of the Inill). while the younger appear toward the inside. In a longitudinal section of the bulb, it will be noted that these younger leaves, coming from within, are higher on the compressed stem than the older (Fig. 14)- The edible "portion of the common onion, and of some other. 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
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectbotanyeconomic
