Classification of Plants 



265 



Parastranthus (Inverted flower) has the odd sepal in 

 front and the upper lip of three petals, as there is no twist as 

 in Lobelia. Herbs similar to Lobelia^ with yellow, white or 

 blue flowers. 



I. 



IV. 



V. 



Fig. 267. — Lobelia. I. Flowering shoot. II. Stamens with syngenesious anthers closed 

 over stigmas in bud. III. St^de and addressed stigmas from II. IV. Diagram of 

 flower. V. Transverse section of fruit. (From Henslow's "South African Flowering 

 Plants.") 



AA. Corolla regular ; anthers separate — 



B. Capsule opening at the top by triangular lids- — 



Lightfootia. — Corolla open to the base, or nearly so. 

 Filaments broad, fringed with soft hairs. Capsule half below 

 the flower. Small shrubs or herbs. Leaves sometimes oppo- 

 site. Flowers mostly in racemes, blue or white. Eastern and 

 Western. 



Wahlenbergia.— Funnel-shaped or tubular. Filaments 



