ls2 XATrh'AL lUSTOIiY OF PLANTS. 



GENERA. 



1. MAGNOLIE/E. 



1 . Magnolia L. — Flowers hermaphrodite; receptacle conoidal more 

 or less elongated. Sepals 2-4, petals 6-co , in 2-go whorls ; pra'flora- 

 tion imbricate. Stamens and carpels co arranged in a spiral ; bare 

 part of gynophore between androceum and gyna;ceum more or 

 less elongate very short, or 0. Stamens free, anthers 2-celled adnata 

 dehiscing by introrse or lateral clefts. Carj)els capitate or spicate ; 

 ovary 1 -celled; placenta ventral 2- oo - ovulate ; ovules either de- 

 scending, micropyle exterior superior, or sub-horizontal, micropyle 

 exterior lateral ; style of variable form grooved longitudinally and 

 internally ; apex papillose stigmatiferous. Fruit multiple ; carpels 

 subsucculent, finally dry, either capitate on a rather short receptacle, 

 or finally arranged like a spike or cone on a more or less elongated 

 receptacle, all fertile, or a fair number sterile and abortive ; in- 

 dehiscent and persistent until putrefaction, dehiscing dorsally, or 

 falling off by the base separately or in irregular masses. Seeds drupe- 

 like, finally pendulous from a filiform funicle; inner coat woody; 

 albumen copious fieshy ; embryo minute subapical. — Trees or shrubs ; 

 leaves alternate stipulate evergreen or deciduous ; stijDules supra- 

 axillary, in turn shutting in the leaves in vernation, and finally dis- 

 closing them, caducous ; flowers terminal or axillary (iV. trojncal 

 America, tropical, siibtrojncal and eastern Asia). See p. 129. 



2. Liriodendron L. — Perianth 9-partite, inserted on an oblong 

 receptacle. Leaves 3 outer sepaloid reflexed; G inner petaloidi 

 connivent in 2 whorls, imbricate. Stamens and carpels o) , inserted; 

 along one continuous spiral. Anthers linear adnate extrorse.j 

 Carpels spicate; ovaries 2-ovulate; ovules obliquely descending ;l 

 style compressed leafy, apex stigmatiferous. Fruit multiple stro-: 

 biliform ; carpels indehiscent 1 or 2-seeded, samaroid through thel 

 styles persisting into membranous-woody imbricated wings, samaras^ 

 finally deciduous. Seeds pendulous ; albumen fleshy copious ; embryd 

 superior minute. — A tree ; leaves alternate sinuately 4-lobed, truncate^ 



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