CHIMAPHILA 85 



stigma 1 ; fruit a capsule, either septicidal or loculicidal, a berry, or a 

 drupe with a compound stone; seeds small. 



A large family of about 90 genera and 1400 species, several of the 

 tribes of which are often segregated as families, notably those with in- 

 ferior ovary as "V acciniacea e", and the herbaceous forms with 

 separate petals as "Pyrolacea e." 



KEY TO THE GENERA 



1. Ovary superior 



a. Corolla composed of separate petals 



( 1 ) Evergreen undershrub, scarcely woody, 



leaves smooth, flowers pink Chimaphila 



(2) Low bushy evergreen, leaves very woolly 



beneath, flowers white Ledum 



b. Corolla composed of plainly united petals 



( 1 ) Leaves deciduous, corolla bell-shaped Menziesia 



(2) Leaves evergreen 



(a) Corolla with a flat or spreading limb. 



stamens awnless 



x. Corolla wheel-shaped, stamens open- 

 ing by pores 



y. Corolla salver-shaped, very fragrant, 

 stamen opening by slits 



(b) Corolla bell-shaped or jug-shaped 

 x. Anthers awnless 

 y. Anthers awned 



(x) Leaves not aromatic, fruit a cap- 

 sule 

 (y) Fruit fleshy 

 m. Leaves aromatic, sepals plainly 

 united at base, calyx tube be- 

 coming fleshy in fruit 

 n. Leaves not aromatic, sepals im- 

 bricated and little connected, 

 fruit a drupe 



2. Ovary more or less inferior, fruit fleshy 



a. Ovary half inferior, foliage aromatic, ever- 

 green 

 x. Berry red — here might be sought fruiting 



specimens of Gaultheria 



Kalmia 



Epigaea 



Chamaedaphne 



Andromeda 



Gaultheria 1 



Arctostaphylos 



