. High school botanical note book [microform]. Botany; Botanique. noTAXICAL TENMS. Till! Uuct'nK'. Umk'l, mill Co« lis .shown In Figs. 103 (i-oinpouiul lioiind UuiIh,'!), yiiili niiiy ln> <',oni|ionii utc) tin J 101 (com (k) a Catkin ; when the (tisuuUy imiierfect) iiKho fiani Hciilo-liko bracts nlong a axin. The Catkin i» thiif) a sj^cial kind of apiko (Fig. lOo). (h) vt whon tho flowers (oftpii ini|«'rfoct) are nrranged in a spike-liko clusti'r on a lloshy , us in iMilian-'riiriiip (Figs. lOii and 107). 'I'lif -Siiiidix usually .surrounded liy a
. High school botanical note book [microform]. Botany; Botanique. noTAXICAL TENMS. Till! Uuct'nK'. Umk'l, mill Co« lis .shown In Figs. 103 (i-oinpouiul lioiind UuiIh,'!), yiiili niiiy ln> <',oni|ionii utc) tin J 101 (com (k) a Catkin ; when the (tisuuUy imiierfect) iiKho fiani Hciilo-liko bracts nlong a axin. The Catkin i» thiif) a sj^cial kind of apiko (Fig. lOo). (h) vt whon tho flowers (oftpii ini|«'rfoct) are nrranged in a spike-liko clusti'r on a lloshy , us in iMilian-'riiriiip (Figs. lOii and 107). 'I'lif -Siiiidix usually .surrounded liy a liirKi- sliDwy l)ract oallod a spathe (Fig. 108). MiXKi.: when axillary and forms are .ouiluned. For , in many Composites the is terminal or rymoso as to the h,;t,ls tlumslvrn, while each heail separately is always axillary or lateral us to tho developnuMif of the florets of which it is made up. Tho chief varieties of inflorescence are (a) 77a' Thyrsc: a cluster like that of Lilac, in which tho primary branches are lateral, and the secondary cymose. (1)) Virtkmaster: a cluster like that of Catnip and Mint flowers generally, where two cymes form in tlu; axils of opposit^j loaves, giving the appearance of a wliorl. In connection with inflorescence the following terms should \ni noticed : Pedunrle : the flower-stalk, or in the case of clusters the stalk supporting the whole cluster. Pedicel: the separate stalk of each flower in a cluster. 'Scape ; a leafless flower-stalk rising from the ground or near it, os in Tulij. and Dandelion. Bract! a foliage-leaf, differing from the ordinary loaves of tho plant in size, shape or colour, and found under the flower or flower-cluster. Bractlct: a secondary bract, as .soon on the pedicels in Fig. 103. , Involucre: a circle of bracts, such as the outer leaves of Composite flowers like Dandelion, etc. (Fig. lOft). Involucel: a .secondary or minor involucre or circle of bracHets, such as is comm
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1895
