. The elements of structural botany with special reference to the study of Canadian plants [microform]. Botanique; Botany; Plant anatomy; Physiologie végétale; Plant physiology; Botanique. If 130 ELEMENTS OF STRUCTURAL BOTANY. \ H i. f* which follows G show the carpels to 1)0 united, and the placing of the figure aboi'e the short line indicates that the ovary is superior; if inferior, the figure would be written below the line. Fig. 174 shows the plan of a Grass-flower. Here parts which are suppressed, and the position of which can in general be easily inferred from that of those which are pre


. The elements of structural botany with special reference to the study of Canadian plants [microform]. Botanique; Botany; Plant anatomy; Physiologie végétale; Plant physiology; Botanique. If 130 ELEMENTS OF STRUCTURAL BOTANY. \ H i. f* which follows G show the carpels to 1)0 united, and the placing of the figure aboi'e the short line indicates that the ovary is superior; if inferior, the figure would be written below the line. Fig. 174 shows the plan of a Grass-flower. Here parts which are suppressed, and the position of which can in general be easily inferred from that of those which are present, are represented by dot& The Fiff. 174. formula would be : Kq, Cg, A3+01 Gf'*\ 109. The gynu'ciuin is very frequently made up of fewer nieml)ers (carpels) tiian the other whorls, and in all .such cases the position of the carpels is more or less irregular. 1*00. Fig. 17') gives the plan of Shepherd's Purse. This shows the four .sepals to be in two whorls of two sepals each ; the four petals, however, are arranged alternately with the four sepals, as if « the latter were all in one whorl ; the position of tlie stanieus indicates that the fill) posterior ones, as well as the two anterior ones, occupy the place of single stamens, and have, therefore, probably arisen from the early division of single stamens into pairs. The ^'sf- ^''''• forumla would be: K2^-2, C.,, Aj+ji, (i(^); the expression 2" indicating the reduplication of the inner stamens. 201. If there is 110 clear distinction between the calyx and corolla, the letter P (for perianth) may be used to include both ; ami, fiiiully, if the members of any whorl Fi(r. 174.—Diaxrani of a Grass-flower. (Pnintl.) l''ig. 175.—DiAgraui of flower o( Shepherd's Puim. (PnnU.). 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 Spotton, H. B. (Henr


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, booksubjectpl