. Journal of agricultural research . OLUTION OF MAIZE, /w Bul. Torrey Bot. Club, V. 45, p. 309-342,.36 fig. 19 lyongitudinal section of the pistillate spikelet of corn at the time the silk is readyfor pollination: r, rachilla; g, lower empty glume; %, upper empty glume; 1, lemmaor flowering glume of the fertile flower; V, lemma or flowering glume of the sterileflower; pa, palet of the fertile flower; pa, palet of the sterile flower; sf, sterile flower;st, rudimentary stamen of the fertile flower; ova, ovary of the pistil; co, cavity of theovary; sk, silk or style; sc, stylar canal; vbs,
. Journal of agricultural research . OLUTION OF MAIZE, /w Bul. Torrey Bot. Club, V. 45, p. 309-342,.36 fig. 19 lyongitudinal section of the pistillate spikelet of corn at the time the silk is readyfor pollination: r, rachilla; g, lower empty glume; %, upper empty glume; 1, lemmaor flowering glume of the fertile flower; V, lemma or flowering glume of the sterileflower; pa, palet of the fertile flower; pa, palet of the sterile flower; sf, sterile flower;st, rudimentary stamen of the fertile flower; ova, ovary of the pistil; co, cavity of theovary; sk, silk or style; sc, stylar canal; vbs, one of the fibro-vascular bundles of thesilk. Through the sheath cells that siuround the bundle the pollen tube travels down thesilk; vsc, sheathlike cells through which the pollen tube travels from the vascularbundle to the cavity of the ovary; vb, fibro-vascular bundles that supply the partsof the spikelet; ov, ovule; ovc, ovule coats; mic, micropyle; es, embryo sac. X 45- (266) Pistillate Spikeletand Fertilization in Zea mays ^?iiiiill^iiiiii Journal of Agricultural Research Vol. XVllI, No. 5 Pistillate Spikelet and Fertilization in Zea mays L. Plate 20
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1913
