THE FLOWERING PLANT. 



05 



PLATES XXIII., XXIV. 



THE FLOWEEING PLANT. 



a. Apex of main axis. 



a '. Apex of root. 



a.b. Axillary bud. 



a.c. Air cavity. 



an. Annular vessels. 



ap. Antipodal cells. 



n.r. Main plumulnr axis. 



ni.r'. Hypocotyledonary stem. 



a.r". Main or primary root. 



az. Pollen grains. 



az'. Mother cells of the same. 



c. Cuticle. 



</(. Procambium. 



cV. Cambium. 



cb". Pericambium. 



eji. Carpels. 



ft. Cotyledon. 



ct'. Base of attachment of the same. 



c.u-. Cell wall. 



ex. Cortex. 



c. Embryo. 



erf. Bundle sheath (endodermis). 



en. Endosperm. 



en' . Parent endosperm nucleus (central nucleus 



of embryo sac). 



i'li. Epidermis. 



<'li'. Subepidermis (collenchyma). 



f.x. Embryo sac. 



/'. Funiculus. 



ij.c. Guard cells. 



;/l. Glandular hairs. 



i/r. Starch grains. 



fir 1 . Aleurone grains. 



i. Integuments. 



i.e. Intercellular space. 



i.n. Internode. 



/. Leaf. 



me. Micropyle. 



md. Medulla (pith). 



mil . Pith cavity. 



m.r. Medullary rays. 



nix. Mesophyll. 



n. Node. 



ne. Nucleus. 



mi. Nucellus. 



i). Ovule. 



ov. Oosphere. 



mj. Ovary. 



fi. Mouths of pits. 



JH: Parenchyma of cortex. 



fir'. Parenchyma of pith. 



ph. Phlffim (Protophlffim, in Figs. XXIV. and 



XXV., PI. XXIII.) 



ph'. Hard bast. 



ph.r. Phloem rays. 



pi. Pallisade tissue. 



p.p. Phloem parenchyma. 



pt. Petals. 



p.t. Pollen tube. 



/i.r. Pitted vessels. 



r. Secondary roots. 



". Lateral rootlets, 



s. Stoma. 



xl>. Subsidiary cells. 



se. Sepals. 



./. Stigma. 



s.l. Spiral layer of anther. 



SIM. Stamens. 



sp. Spiral vessels. 



x.p. Sieve plate. 



st. Style. 



x.t. Sieve tube. 



su. Suspensor. 



?/'. Basal cell of suspensor. 



sy. Synergidae. 



t. Testa. 



tc. Trichomes. 



tp. Tapetum. 



ut. Primordial utricle. 



v. Vacuole. 



r.li. Vascular bundle. 



.i:/i. Xylem parenchyma. 



.ri/. Xylem. 



.c//'. Protoxylem. 



.)!/". Xylem sclerenchyma. 



.vy.r. Xylem rays. 



