Xlil INTRODUCTION 



poly symmetric or monosymmetric flowers ; sepals 3 — 5 ; petals 

 3 — 5 ; stamens 5 — 10; carpels 3 — 5; ovules 1 or more in each 

 chamber, (p. 99.) 



Order 21. llidnecB (The Holly). — A tree with evergreen 

 spinous leaves and small white flowers ; sepals, petals, stamens, 

 and carpels 4 — 5 each ; fruit berry -like, with 4 one-seeded stones. 

 (p. 106.) 



Series 2. Calyciflbra;. — Petals and stamens perigynous or 

 epigynous; ovary superior or inferior. 1 (pp. 107-228.) 



§ Stamens perigynous ; ovary generally superior 2 



Order 22. Celastrinece (The Spindle-tree). — A shrub or tree, 

 glabrous ; with opposite leaves ; small greenish flowers ; pink, 

 fleshy capsules, and orange seeds; sepals, petals, stamens, carpels, 

 and seeds usually 4 each. (p. 108.) 



Order 23. Rhdmnea (The Buckthorn Family). — Shrubs with 

 simple leaves, small, greenish flowers, and berry-like fruit ; sepals, 

 petals, and stamens 4 — 5 each ; stamens opposite petals ; ovary 

 3-chambered ; chambers i-ovuled. (p. no.) 



Order 24. Acerinece (The Maple Family). — Trees with opposite 

 palmately-lobed leaves and small, green, polysymmetric flowers ; 

 sepals and petals 4 — 9 each ; stamens 8, on a disk ; carpels 2 ; 

 fruit a double samara, (p.m.) 



Order 25. Leguminosce (The Pea Family). — Shrubs or herbs 

 with scattered, stipulate, usually compound leaves and papilion- 

 aceous flowers ; sepals and petals 5 each ; stamens 10, monadelph- 

 ous or diadelphous ; carpel 1 ; fruit a pod. (p. 113.) 



Order 26. Rosacea (The Rose Family). — Trees, shrubs, or 

 herbs with scattered, stipulate, simple or compound leaves and 

 polysymmetric flowers ; sepals 4 — 5 ; petals 4 — 5 ; stamens 

 many ; carpels, 1, 2, 5, or many, free or united ; fruit various. 



(P- I37-) 



Order 27. Saxifrd%ecB (The Saxifrage Family). — Shrubs and 

 herbs with polysymmetric flowers ; sepals 4 — 5 ; petals 4 — 5 ; 

 stamens 4 — 10; carpels 2 — 4, united, (p. 165.) 



Order 28. Crassuldcece (The Stonecrop Family). — Succulent 

 herbs with simple leaves and polysymmetric flowers ; sepals, 

 petals, and carpels 3 — 20 each, usually 5 ; stamens usually twice 

 as many as the petals ; carpels free, forming follicles, (p 172.) 



Order 29. Droserdcece (The Sundew Family). — Small viscid 

 marsh plants with radical leaves, small white polysymmetric 



1 The stamens are sometimes indistinctly perigynous in Leguminosae, Saxifrageae, Crassu- 

 laxeae, and Droseracea. 



2 It is inferior in some Rosaceae and Saxifrageae. 



