DICOTYLEDONS. MALVAC'E/E. 3 



an hypogynous disk. Stam. definite, generally different in 

 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 of many cells 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 or Shrubs. Leaves opposite, without stipules. Flowers in 

 racemes or corymbs. Juss. 



1. ACER. 



Cal. 5-cleft. Pet. 5. Stam. 8. Ovary 2-lobed. Samara 2, 

 united at the base, 1 -celled, 1 2-seeded. 



1. A. p seudo- Plat amis 9 leaves 5-lobed unequally serrated, ra- 

 cemes pendulous subtomentose. p. 120. -Plantations. 



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

 racemes upright subtomentose. p. 120. Woods. 



ORDER LII. TILIACE.E. Juss. 



CaL 5 -parted. Pet. 5. Stamens indefinite. Ovary 1, with 

 5 cells. Ovules definite, peltate. Style 1. Stigma obscurely 

 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, with stipules. Flowers in eorymbi. 

 Mirl. 



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- 

 minate serrated, pericarp ribbed woody, p. 170. Walks and 

 avenues. 



ORDER LIIL MALVACEAE. Juss. 



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

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

 Anthers reniform. Ovary 1. Style 1. 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 body or 

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

 ascending. Albumen mucilaginous, not abundant. Embryo 

 curved. Cotyledons foliaceous, plaited. 



