DICOTYLEDONS. MALVACE.T;. 2 



■^1 



an hvpogynous disk. Slam, definite, generally different iu 

 number from the petals, inserted into the middle of the same 

 disk. Ovary simple, placed on the disk. Style and Stigma 

 one; rarely double. Fruit oi' many ceils or many capsules; 

 the cells or capsules 3 or 2, each containing one or at the 

 most 3 suspended seeds. Embryo without albumen, its ra- 

 dicle bent back upon the cotyledons. 

 Trees ov Shrubs, Ls'aye^ opposite, without stipules. Flowers in 

 racemes or corymbs. Juss. 



1. ACER. 

 Cc/. 5-cleft. Pet.h. Stam.S. Ovary 2-\ohed. SamarcB2, 

 united at the base, I -celled, I — 2-seeded. 



1. A. pseiido-PlatanuSf leaves 5 -lobed unequally serrated, ra- 

 cemes pendulous subtomentose. p. \2Q.— Plantations. 



2, A. campestre, lobes of the leaves mostly 5 inciso-crenate, 

 racemes upright subtomentose. p. 120. — IVoods. 



Order LII. TILIACB^E. Jms. 



Cat. 5-parted. Pet. .">. Stameiis indefinite. Ovary 1, with 

 5cells. Oi'?</ei' definite, peltate. Slylel. Stigma ohscuvely 

 5-lobed. Pericarp by abortion with I cell and I seed. Seeds 

 peltate. Embryo transverse in the axis of a farinaceous albu- 

 men. Cotyledons foliaceous, lobed. Radicle inferior. 



Trees. Leaves alternate, v.-ith stipules. Flowers in corvmbs. 



Mirb. ' . 



1. TILIA. 



Cal. deciduous. Pet. .5. Pericarp coriaceous, 5-celled, with- 

 out valves. Cells 2-seeded. 



1. T. europcea. flowers destitute of nectary, leaves cordate acu- 

 juinate serrated, pericarp ribbed woody, p. IJO. — Walks and 

 avenues . 



OiiDER LIII. MALVACE/E. Juss. 



Cal. 5-cleft, calyculate. Cor. of 5 petals, regular. Slam, in- 

 definite, monadelphous, often bearing the petals on their base. 

 Ajithtrs reniform. Ovary \. Style i. Stigmas several. 

 Fruit composed either of many cells and many valves which 

 bear the septa in their middle, or of many capsules which are 

 either dehiscent or indehiscent; united into a compact bodj or 

 placed iu a whorl round the base of the style. Seeds solitary, 

 ascending. Albumen mucilaginous, not abundant. Embryo 

 curved. Cotyledons foliaceous, plaited. 



