Text-book of botany, morphological and physiological . Fig. 398.—Diagram of Zingiberaceas ; A Hedychium (after Le Maoutand Decaisne), B Alpinia (after Payer). Fig 399.—Diagram of Caima (Musacea-), after Payer. the rest of the members of the androecium are present or only partially deficient,but are transformed into petaloid staminodes. It has already been pointed outhow the flowers of Gramineae and Orchideae can be traced back to the trimerouspentacyclic type; the theoretical diagrams here given (Figs. 395-402) will answerthe same purpose for some of the other more important families. If the p
Text-book of botany, morphological and physiological . Fig. 398.—Diagram of Zingiberaceas ; A Hedychium (after Le Maoutand Decaisne), B Alpinia (after Payer). Fig 399.—Diagram of Caima (Musacea-), after Payer. the rest of the members of the androecium are present or only partially deficient,but are transformed into petaloid staminodes. It has already been pointed outhow the flowers of Gramineae and Orchideae can be traced back to the trimerouspentacyclic type; the theoretical diagrams here given (Figs. 395-402) will answerthe same purpose for some of the other more important families. If the pentacyclic flower wdth the formula »S„P^i67„^„ C„(^,j) is considered as ^ The dimerous flower of Potamogelon {S.^P.,^St.^^C^) (see Hegelmaier, Bot. Zeit. 1870, p. 287)differs from the typical formula only lo this extent, lliat the four carpels arise simultaneously, andare placed diagonally to the preceding pairs. MONOCOTYLEDONS. 549 the typical one for Monocotyledons, it will be seen that the great majority offamilies the number of whose
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1875
