. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. .f- in great patches miles m extent and is peiennial The tuberous rhizome stands erect in the mud where it is anchored by innumeiahle sponâj roots which spring fiom the bises of the h s in pinups of 10-30 or 40 The tuber may be as much as b in in diameter and 2 ft long It decajs below as it f,iows above The Ivs
. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. .f- in great patches miles m extent and is peiennial The tuberous rhizome stands erect in the mud where it is anchored by innumeiahle sponâj roots which spring fiom the bises of the h s in pinups of 10-30 or 40 The tuber may be as much as b in in diameter and 2 ft long It decajs below as it f,iows above The Ivs are arranged in 5o-144 older and the flowers arise in a parallel but independtiit spiial of the same Older (Planchon) Each leaf attei the ftist seedling leaf has a broadly ovate fu ed pair oE stipules these organs serving to protect the apex of the stem The petioles and peduncles ire terete ab mt 1 in in diam co\eied with stout fleshy prickles and fiasersed intein ill-y by 4 large and a number of smilki an canals The pet loles attain to a length much greiter thin the depth of the water so that the h s can adiust themselves to changes of the watei le\ el though Banks states that they may be completely submerged in times of flood The gigantic Ivs are covered beneath w ith a close net work of prickly veins the larger of which proiect an inch or more from the leaf surface the tissues are full of air spaces and canals thus buoving up the mass of cellular matter. Besides many stomata on the upper surface of the leaf, which open into the air-chambers of the mesophyll, there are innumerable tiny depressions, in each of which one can see with a hand-lens that the leaf is perforated with a fine hole; these holes were termed by Planchon "stomatodes" ( 6:249). He considered thera to be useful as air - holes to let out gases which, rising from the water or mud, might bo caught in the deep meshes of the netted veins on the under side of the leaf. It is also to be noted that,
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Keywords: ., bookauthor, bookcentury1900, bookdecade1900, booksubjectgardening
