. Botany for high schools and colleges. Botany. 336 Puff-balls, of which the best known is L. giganteum, the Giant Puff- ball, an edible species, from ten to thirty em. in diameter ; Oeaster, the Earth-stars, including several species, and Grucibulum, of which 0. imlgo/re is very common. , \^' (6) This order presents no unusual difficulties to the student, and it is one which should receive more attention than it has hith- erto. For the study of the structure the speci- mens should be taken in their earlier t-tages, as but little can be made out after the hyphse begin breakinijf up or
. Botany for high schools and colleges. Botany. 336 Puff-balls, of which the best known is L. giganteum, the Giant Puff- ball, an edible species, from ten to thirty em. in diameter ; Oeaster, the Earth-stars, including several species, and Grucibulum, of which 0. imlgo/re is very common. , \^' (6) This order presents no unusual difficulties to the student, and it is one which should receive more attention than it has hith- erto. For the study of the structure the speci- mens should be taken in their earlier t-tages, as but little can be made out after the hyphse begin breakinijf up or dissolving. 424. — Order Hy- menomyeetes. These plants tire doubtless to be regarded as the highest of the, chlo- rophyll - free Carpo- sporese. They are not only of considerable size (ranging from one to twenty centimetres, or more, in height), but they present a structural complexity which is so much greater than that of Fig. 225.—Development of Agaricm campestris. the other Orders, that A., undergrouud mycelium (m), bearing numerous . x i, j. -u young sporocarps of various sizes. /., vertical sec- they Cannot DUt DC I'C- tion of a young enorocarp, showing its attachment ^ -, , i i • v, j. to the mycelium, m. //., verticaf seciion of an garded aS the highest older sporocarp, showing the annular opening, ^. j; j-i -P-ny^rr^ T iVc 7//., the same at a still later ,youugspoi-o- 01 me lungl. IjlKB carp, with stalk (st); rudimentary gills (0, and the ,„ flaHtpvnTnvpptp's beginning of the veil («). K, sporocarp nearly ma- ^^^ uasieromyceieb, ture ; m, mycelium; A, pileiis ; I, the gills (hyme- flipv T>rnrlnf>p an nhiin- nial lamelto); v, theveil,notyet rlipturld; i, a very ^'^^J prOQUCe an d,DUU young sporocarp. All natural size.—After Sachs. dant myCclium Under- ground, or in the substance of decaying wood; it fre- quently consists of multitudes of whitish jointed hyphse, which are loosely interwoven, but in some cases they be-. Please note that these
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1885
