40 ANALYTICAL EET. 



{Petals 4, spreading, 2 large and 2 small. Stamens free. 

 CBUCirEE Fmn. (p. 76.) 

 Petals 4, small, erect in two pairs. Stamens united in two clusters. 

 Fumitory Fam. (p. 74.) 



Polypetals with an inferior ovary. 



r Stamens 10 or fewer, of tlie same number or twice the petals . . 46 



45 -j Stamens 12 Lttheum Oen. (p. 213.) 



L Stamens indefinite, usually numerous 49 



"Petals 5. Stamens 10 Saxifeage Gen. (p. 227.) 



Petals 5. Stamens 5 47 



46 ■{ Petals 3. Aquatic plants with diclinous flowers. 



Htdeochaeis Fam. (p. 499.) 



Petals 2 or 4. Stamens 2, 4, or 8 48 



rilerbs. Fruit separating into two dry one-seeded carpels. 



I Umbellate Fam. (p. 235.) 



47 •{ Shrubs. Fruit a berry, with several seeds . . Eibes Gen. (p. 225.) 



I Evergreen cUmber. Fruit a berry, with 2 to 5 seeds. 



L ITT Gen. (p. 265.) 



^g r Fruit a berry. Shrubs or hei-bs Coenel Gen. (p. 266.) 



1 Fruit dry, capsular. Herbs .... CEnotheea Fam. (p. 205.) 

 r Calyx of 2 sepals Pueslane Fam. (p. 216.) 



49 -| Calyx of 4, 5, or twice that number of teeth or divisions. 



L Rose Fam. (p. 183.) 



Monopetals toith an inferior ovary. 



J Leaves alternate or radical 51 



50 \ Leaves opposite or whorled 53 



rShrubs. Stamens 8 or 10. Fruit a berry, Vaccinium Gen. (p. 342.) 



-, J Climber. Flowers dioecious. Stamens 5, combined into 3. Fruit 



I a berry Beyony Gen. (p. 215.) 



i_Herbs. Stamens 5. Fruit a capsule 52 



rStamens inserted within the base of the coroUa. 



ggj Campanula Fam. (p. 335.) 



I Stamens inserted in the tube of the coroUa. Flowers small, white. 

 L Samole Gen. (p. 358.) 



go J Leaves in whorls of four or more .... Stellate Tribe (p. 272.) 

 \ Leaves opposite 54 



c ^ r Stamens 1, 2, or 3 Valeeian Fam. (p. 278.) 



I Stamens 4 or 5 55 



fFlowers numerous, m heads, with a common involucre. Fruit dry, 

 1 one-seeded. Stem herbaceous Teasel Fam. (p. 282.) 



55 -j Flowers distinct or few together, without a common involucre. Fruit 

 I often succulent. Stem usually slirubby or cUmbing. 

 L Honeysuckle Fam. (p. 267.) 



Monopetals with a free ovary. 



-r. J Stamens twice as many as the lobes of the corolla 57 



\ Stamens equal in number to the lobes of the coroUa or fewer . . 59 

 r Flowers regular. Leaves entire or toothed 58 



57 < Flowers very irregular. Leaves much divided. 



L FuMiTOEY Fam. (p. 74.) 



