ANALYTICAL KEY. lXVil 



Shrubs. Stamens 8 or 10. Fruit a berry Vaccinium (p. 278). 

 Climber. Flowers dioecious. Stamens 5, combined into 3. 



5 o / Fruit a berry Bryonia (p. 157). 



"* Herbs with ternately divided leaves. Stamens 8 or 10. Fruit 



a berry Adoxa (p. 206). 



.Herbs. Stamens 5. Fruit a capsule 53 



{Stamens inserted within the base of the corolla. 

 Campanulace^ (p. 271). 

 Stamens inserted in the tube of the corolla. . Flowers small, 

 white . . Samolus (p. 294). 



Ki /"Leaves in whorls of four or more . . Stellate (p. 210). 



\ Leaves opposite 55 



g5 f Stamens 1, 2, or 3 VALERlANE^a (p. 216). 



\ Stamens 4 or 5 56 



r Flowers numerous, in heads, with a common involucre. Fruit 

 dry, 1 -seeded. Stem herbaceous . . DiPSACE^] (p. 219). 

 56-[ Flowers distinct or few together, without a common involucre. 

 Fruit often succulent. Stem usually shrubby or climby. 



Caprifoliacejg (p. 205). 



Monopetals with a free ovary, 



k* /Stamens twice as many as the lobes of the corolla . . .58 

 \ Stamens equal in number to the lobes of the corolla or fewer . 61 



5 g /Flowers regular. Stamens distinct 60 



\ Flowers very irregular. Stamens united 



. 59 



FUMAEIACE^] (p. 20). 



TRIFOLIUM (p. 109). 



POLYGALA (p. 56). 



f Leaves much divided . 

 59 \ Leaves with 3 leaflets . 

 [Leaves entire 



(Ovary single, of several cells. Leaves not peltate. 

 Ericaceae (p. 277). 

 Ovaries several, distinct. Eadical leaves peltate, fleshy. 

 Cotyledon (p. 159). 

 f Ovaries divided into two or four resembling naked seeds, in the 

 61 \ bottom of the calyx, with the style arising from between them 62 

 (Ovary entire, of 1 or more cells, the style or stigma at the top 63 



(Leaves all opposite. Corolla 2 -lipped, or seldom nearly regular 

 Labiates (p. 342). 

 Leaves alternate (except sometimes the floral ones). Corolla 

 regular or rarely oblique .... Borag-ineje (p. 307). 



fi o/Corolla regular ' . .64 



\ Corolla irregular 80 



(Stamens opposite the lobes of the corolla, and of the same 

 number Primulace^b (p. 287). 

 Stamens alternating with the lobes of the corolla, or fewer in 

 number . - 65 



(Stamens 2. Leaves opposite Q6 

 Stamens 3. Small herb, with minute white flowers Montia (p. 77). 

 Stamens 4 67 

 Stamens and divisions of the corolla 5 or more . . . .72 



6g r Trees or shrubs Oleaceje (p. 297). 



\Herb. Corolla rotate Veronica (p. 333). 



d2 



