INIKODUCTION 



Xliii 



flowers, and cajisular fruits ; sepals, petals, and stamens 5 each ; 

 carpels 3 — 5; C)\ules many. (p. 177.) 



Ordlr 30. LyihfdriecB (The Loosestrife Famity). — Herbs with 

 entire, generally opposite leaves and polysymmetric flowers ; 

 sepals and petals 3 — 6 each ; stamens genera])}' twice as many a.; 

 the petals; carpels 1 — 6; fruit a many-sccded capsule, (p. 178.) 



§§ Stamens ep'gynous ; ovary syncarpnus, inferior 



Order 31. HalordgciT (The Mare's-tail Family). Aquatic 

 hirbs with o] posite or whorltd leaves and ver) inconspicuous 

 flowers ; sepals 2 — 4, or absent ; petals 2 — 4, vahate or absent ; 

 stamens i — 8; carpels i — 4; st)k'S distinct; o\ultS i in each 

 chamber, (p. iSo.) 



Order 32. Onagrarkce (The ^Villow-herb Family). — Herbs 

 with simple exstijjulate leaves and generally conspicuous poly- 

 sj'mmetric flowers; sepals 2 — 4, valvate ; petals 2 — 4, coiitoited, 

 or absent ; stamens 2— 8 : carpels i — 6, usually 4. (p. 1S4.) 



Order t,Tj. ('iiciiri iidicie (The ^^'hite Br)'ony). — A hispid 

 climbing herb with tendrils, palmately lobed leaves, greenish 

 diiKcious flowers, and scarlet berries; sepals 5, united; petals 5, 

 united; stamens 3 ; carpels 3. (p. 1S9.) 



Order 34. l'nihcUij<:ru: (The Farsley Fainily). — Herbs, mostly 

 with pinnate leaves, sheathing at the base, and compound umbels 

 of small white flowers ; sepals, petals, and stamens 5 each ; carpels 

 2, i-ovuled ; fruit a cremocarp. (p. 191.) 



Order 35. A/a/iJirce (The Ivy Family). — A climbing shrub 

 with adhesi\-e rootlets, evergreen leaves, simple umbels of yellow- 

 ish flowers, and black beriies; sepals, petals, stamens,, carpels, and 

 seeds 5 each. (p. 225.) 



Order 36. Conuicea. (The Dogwtjod Family). — Shrubs and 

 herbs with opposite leaves, small flowers, and berry-like fruits ; 

 sepals, petals, and stamens 4 each ; carpels 2, i-ovuled. (p. 

 226.) 



Sue-Cl.\ss 2. Gamnpetala. — Having both calyx and corolla 

 and the petals of the latter united.^ (p. 22S-407.) 



Series i. Epigy!hc. — O'vary inferior.^ (pp. 22S-304.) 



§ Stamens epipetalous ■' 

 Order 37. Caprifolijccie (The Honeysuckle Family). — Trees, 

 shrubs, and herbs with opposite leaves and generally conspicuous 



1 Gamopetalous forms occur e.xccptionally among Po'^-p^talse. (See p. ?::vrcix, rote.) 

 Free petals occur in some j^ricaccEe, Plumbagi'nes:, and Gentifineae. Petals ai-e absent in 

 some PrimulncecD O' d C)leace£E. 



2 The ovary is aUo inferior in somePrimuldcesc. 



3*The stamens are also epipetalous in some Campanulacea;. 



