«{! 



ANALYTICAL KEY. lxi 



(^Branches twiggy, with small green scale-like leaves. Capsule one- 



o 9 J celled. Seeds cottony Tamarisc Gen. (p. 137.) 



^ ] Shrubs or trees, with flat leaves. Ovary and fruit (usually a berry) 



L divided into cells 33 



f Petals white, alternating with the stamens . . Holly Gen. (p. 552.) 

 33 <{ Petals very small, green and behind the stamens, or none. 



L Buckthorn Gen. (p. 178.) 



~ Petals 4 35 



. Petals 5 36 



f Leafless herbs, with brown scales. Stamens 8. 



Monotrope Gen. (p. 534.) 

 35 «{ Herbs with entire or divided leaves. Stamens 6, of which two are 



shorter, or rarely wanting Crucifer Fam. (p. 38.) 



L Herb with compound leaves. Stamens 4. . . Epimede Gen. (p. 26.) 



ofi f Stamens 10 37 



ob 1 Stamens 5 38 



r Style single, with a broad stigma. Leaves entire or minutely toothed. 



Wintergreen Gen. (p. 531.) 

 37 \ Two styles or two distinct stigmas. Leaves often toothed or divided. 



Saxifrage Gen. (p. 304.) 

 ^Five styles. Leaves of three leaflets .... Oxalis Gen. (p. 171.) 



£ I Leaves all radical, or only one on the stem 39 



\ Stem-leaves several, entire 40 



("Styles 3 to 5, each one deeply divided. Leaves fringed with glandular 

 hairs Sundew Gen. (p. 315.) 



39 \ Stigmas 4, sessile. Leaves broad, entire, one on the stem. 



Parnassia Gen. (p. 314.) 

 ^Styles 5. Leaves all radical, entire . . . Plumbago Fam. (p. 677.) 

 r Styles 3. Procumbent plant, with very small white and green flowers. 



40 \ • Corrigiole Gen. (p. 686.) 



[ Styles 5. Flowers blue Flax Gen. (p. 148.) 



Irregular Folypetals with one free, simple, or compound ovary. 



., J Flowers with a spur or pouch at the base 42 



\ Flowers not spurred . . 44 



"Stamens numerous Larkspur Gen. (p. 22.) 



42 \ Stamens 6, united in two clusters .... Fumitory Fam. (p. 35.) 



^Stamens 5 ... * 43 



f Sepals 5. Petals 5, spreading, one of them spurred. Violet Gen. (p. 94.) 



43 \ Outer sepals 2. One inner sepal, large, hooded, and spurred. Petals 



L one outer, entire, 2 inner lobed . . . . . Balsam Gen. (p. 172.) 

 "Petals small, deeply cut. Stamens more than 8, free. 



Mignonette Gen. (p. 88.) 

 Petals 5, papilionaceous. Stamens 10, all or 9 united. 



44 \ Peaflower Tribe (p. 180.) 



Petals and sepals in pairs or in fours. Stamens 6 45 



I Sepals 5, of which 2 are large. Petals 3 or 5, small. Stamens 8, 



I united in two clusters Milkwort Gen. (p. 98.) 



/"Petals 4 ; spreading, 2 large and 2 small. Stamens free. 



45 J Crucifer Fam. (p. 38.) 

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



Fumitory Fam. (p. 35.) 



\ 



