. Fundamentals of botany. Botany. THE PROBLEM OF SEX IN PLANTS 347 entire new plant. A leaf of begonia laid on moist sand will give rise to several new plants wherever it is cut (Fig. 254). Leaves of the sundew (Drosera) frequently strike Vr-^. Fig. 253.—Regeneration at the leaf-base of potato leaves {Solarium tuberosum), a., roots formed; b, tuber-like enlargement; c, same as b, with roots; d, formation of true tuber. (After Miss Elsie Kupfer.) •^ w ^ '^' \ ^K w ^^^^L^ s^^--'* € Ai ^ ^ i P^p ^^ 1 i m Fig. 254.—Young plantlets developing from the edges of lacerations made in a large leaf of Re

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. Fundamentals of botany. Botany. THE PROBLEM OF SEX IN PLANTS 347 entire new plant. A leaf of begonia laid on moist sand will give rise to several new plants wherever it is cut (Fig. 254). Leaves of the sundew (Drosera) frequently strike Vr-^. Fig. 253.—Regeneration at the leaf-base of potato leaves {Solarium tuberosum), a., roots formed; b, tuber-like enlargement; c, same as b, with roots; d, formation of true tuber. (After Miss Elsie Kupfer.) •^ w ^ '^' \ ^K w ^^^^L^ s^^--'* € Ai ^ ^ i P^p ^^ 1 i m Fig. 254.—Young plantlets developing from the edges of lacerations made in a large leaf of Rex begonia. root at the tip and develop new plants (Fig. 255), while the leaves of Bryophyllum normally produce marginal buds from which new plants develop (Fig. 256). As. 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 Gager, C. Stuart (Charles Stuart), 1872-1943. Philadelphia, P. Blakiston's son & co.

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Keywords: ., bookauthorgag, bookcentury1900, bookdecade1910, booksubjectbotany