. Flowers of the field. Botany. t82 HALORAf^K/l', elongated erect spike ; I'/ar/s pinnatifid, longer than the flowers, the upper ones without flowers in their axils.—Stagnant water ; not common. The whole plant is submerged with the exception of the spikes of inconspicuous flowers, which rise a few inches above the surface.—Fl. July, August. Perennial. 2. J/, spiaitiiin (Spiked \Vater Milfoil).,—Avery similar plant, with kav<:s 4 in a whorl and very sQiall hrciits, of which only the lower are pinnate, so that the whorls of flpivers form a slender,. :iOfHVLLi:M spic.(tl-:ii {S/'ikca )l^^icr
. Flowers of the field. Botany. t82 HALORAf^K/l', elongated erect spike ; I'/ar/s pinnatifid, longer than the flowers, the upper ones without flowers in their axils.—Stagnant water ; not common. The whole plant is submerged with the exception of the spikes of inconspicuous flowers, which rise a few inches above the surface.—Fl. July, August. Perennial. 2. J/, spiaitiiin (Spiked \Vater Milfoil).,—Avery similar plant, with kav<:s 4 in a whorl and very sQiall hrciits, of which only the lower are pinnate, so that the whorls of flpivers form a slender,. :iOfHVLLi:M spic.(tl-:ii {S/'ikca )l^^icr Milfoil'). erect, and apparently leafless spike.—More common than the preceding.—Fl. June—August. Perennial. 3. Af. aUcrmfloriim (Alternate-flowered Water Milfoil).— Another similar plant, but more slender ; Icai'cs 3 or 4 in a whorl; brads at the base of the spike in whorls of 3 or 4, pinnate, longer than the axillary pistillate//( ; ihose higher up opposite or alternate, entire or serrate, shorter than the staminate tlowers, which thus appear to form a leafless spike which is nodding when in bud. The most freiiuent species. - Fl. May - August. I' 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 Johns, C. A. (Charles Alexander), 1811-1874. London : Society for Promoting Christian Knowledge
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1911
