44^ 



1XV1 INTRODUCTION. 



r Styles 3 to 5, each one deeply divided. Leaves fringed with 



glandular hairs Dboseea (p. 171). 



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



Paenassia (p. 170). 

 ^Styles 5. Leaves all radical, entire . Plumbagine^e (p. 363). 

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



40-J flowers Coeeigiola (p. 368). 



(Styles 5. Flowers blue Linum (p. 83). 



Irregular Polypetals with one free, simple, or compound ovary, 



41 /Flowers with a spur or pouch at the base 42 



\ Flowers not spurred 44 



! Stamens numerous . Delphinium (p. 13). 

 Stamens 6, united in two clusters . . Fumaeiace^ (p. 20). 

 Stamens 5 . . 43 

 Sepals 5. Petals 5, spreading, one of them spurred Viola (p. 53). 

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

 Petals 1 outer, entire, 2 inner lobed . Impatiens (p. 95). 

 'Petals small, deeply cut. Stamens more than 8, free Keseda (p. 50). 

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



PAPILIONACE^} (p. 100). 

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

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

 8, united in two clusters .... Polygala (p. 56). 



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

 Ceucifee^s (p. 22). 

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

 clusters Fumaeiace^ (p. 20). 



Polypetals with an inferior ovary. 



Stamens 10 or fewer, of the same number as or twice the petals 47 



46 \ Stamens 12 Lytheum (p. 155). 



Stamens indefinite, usually numerous 50 



Petals 5. Stamens 10 .... Saxifeaga (p. 165). 



Petals 5. Stamens 5 48 



47-[ Petals 3. Aquatic plants with diclinous flowers. 



Hydeochaeide^e (p. 433). 



Petals 2 or 4. Stamens 2, 4, or 8 49 



Herbs. Fruit separating into 2 dry 1 -seeded carpels. 



Umbellifee^e (p. 174). 

 48-[ Shrubs. Fruit a berry, with several seeds . EiBES (p. 163). 

 Evergreen climber. Fruit a berry, with 2 to 5 seeds. 



Hedeea (p. 203). 



4Q /Fruit a berry. Shrubs or herbs . . . . Coenus (p. 204). 

 \ Fruit dry, capsular. Herbs . . . Onageace^j (p. 149). 



f Calyx of 2 sepals Poetulace^e (p. 76). 



50 \ Calyx of 4, 5, or twice that number of teeth or divisions. 



[ Kosace^: (p. 127). 



Monopetals with an inferior ovary. 



P>« f Leaves alternate or radical 52 



\ Leaves opposite or whorled ....... 54 



