. Journal of agricultural research . Journal of Agricultural Research Vol. XVIII, No. 5 Pistillate Spikeletand Fertilization in Zea mays L. Plate 22. Vf Journal of Agricultural Research Vol. XVIII, No. PLATE 22 A.—Longitudinal section of the developing spikelet: g, lower empty glume; g,upper empty glume; 1, primordium of the lemma or flowering glume of the fertileflower; V, primordium of the lemma or flowering glume of the sterile flower; sf, primor-dium of the sterile flower. X 300. B.—Longitudinal section of the developing spikelet: g and g^, empty glumes; 1and V, lemmas or flowering glumes;

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. Journal of agricultural research . Journal of Agricultural Research Vol. XVIII, No. 5 Pistillate Spikeletand Fertilization in Zea mays L. Plate 22. Vf Journal of Agricultural Research Vol. XVIII, No. PLATE 22 A.—Longitudinal section of the developing spikelet: g, lower empty glume; g,upper empty glume; 1, primordium of the lemma or flowering glume of the fertileflower; V, primordium of the lemma or flowering glume of the sterile flower; sf, primor-dium of the sterile flower. X 300. B.—Longitudinal section of the developing spikelet: g and g^, empty glumes; 1and V, lemmas or flowering glumes; sf, primordium of the sterile flower; st, stamenof the fertile flower; p, palet of the fertile flower; pp, primordium of the pistil. X 300. PLATE 23 A.—Longitudinal section of the developing spikelet at the time the carpel or ovarywall has begun to develop: g and g, empty glumes; 1 and V, lemmas; sf, sterile flower;p and p^, palets; st, stamen; c and c, rudiment of the carpel or ovary wall; c is themore rapidly growing part of the carpel. X 300. B.—Longitudinal section of a developing ovary: c and c\ developing ovary walls;c is the po

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1913