4,;» XATURAL HISTORY OF PLANTS. 



[2. CratiEgus T. — Flowers liermiiphrodite ; receptacle finally 

 bacoato, urceolate or campaiiuhite. Sepals 5 (of Pt/ms), persistent or 

 caducous. Corolla and oo stamens of Pp'ifs. Ovary 1-5-celled 

 atlnatc to bottom of receptacle ; styles and ovules of Pi/rus. Drupe 

 ovate or ^^lobular ; stones 5, free or coherent into one, putamen 

 somewhat rarely (?) bony 2-5-celled. Seeds erect compressed exal- 

 bu mi nous. — Shrubs or small trees ; twigs often spinescent ; leaves 

 alternate simple lobed or pinnatifid ; stipules large or small, deci- 

 duous; tlowers cymoso-corymbose bracteate terminal. {Cold and 

 temperate regions of Northern Hemisphere.) See p. 396. 



43. Cotoneaster Mkdik. — Flowers of Cratcegus ; stamens 10- oo. 

 Carpels 2-5, free inside and at apex, adnate by back (or rather very 

 obiicjuc base) to inside of receptacle ; cells rarely 2-partite by a 

 spurious half-dissepiment {Nagelia) ; styles and ovules of Pi/rus. 

 Drupe of variable form, 2-5-stoned; stones bony 1-seeded. Shrubs 

 or small trees, erect or decumbent ; leaves alternate petiolate usually 

 evergreen ; stipules subulate deciduous ; flowers solitary, or more 

 frequently in terminal or axillary, often unilateral cymes. {Northern 

 and Central Asia, Northern Africa, Europe, North America?^ See p. 398. 



4 i. Eriobotrya Linul. — Flowers of Cratcegus. Stamens not more 

 than 20 (of the liosacece). Ovary inferior, or rarely free at apex, 2—5-, 

 more rarely 1 -celled ; styles free or more or less connate, at apex 

 dilated or truncate stigmatiferous. Ovules {o^ Pgrm) often obturated. 

 Drupe or berry 1-5-celled ; cells 1-2-seeded ; septa membranous or 

 chartaceous, sometimes obsolescent. Seeds of Cratcegus. — Trees or 

 shrubs ; leaves evergreen simple petiolate coriaceous ; stipules small 

 or large, subfoliaceous ; flowers cymoso-racemose or corymbose ter- 

 minal. {Temperate Asia, California.) See p. 399. 



45. Stranvaesia Lindl. — Flowers of Eriohotrya. Ovary 5-celled 

 half-superior ; styles 5, connate at base, at apex 2 -lobed stigmati- 

 ferous ; ovules of Pyriis. Drupe of variable form ; endocarp crus- 

 taceous 5-celled ; cells dehiscing loculicidally and dorsally. Valves 

 separating from each other, and from the axis, bearing median 

 dissepiments. Seed exalbuminous ; embryo fleshy; radicle inferior 

 exserted. — A branching tree ; leaves alternate evergreen petiolate 



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