92 HEATH FAMILY 



unlobed ; fruit a globose capsule surrounded by the persistent calyx, 

 loculicidal, the inner layer of the pericarp separating from the outer layer 

 and splitting into 10 valves; seeds small, numerous. 

 One species, 



Chamaedaphne calyculata (Linne) Moench 1794 



3 dm.-l m. high; leaves with scurfy scale-like hairs, apex pointed, base 

 rounded, 5 mm.-4 cm. long, 2-15 mm. wide, those of the inflorescence 

 smallest ; flowers white, about 5 mm. long : calyculata, cup-like. 



Bogs; Newfoundland to Alaska, Siberia and Scandinavia, south to 

 Georgia, Illinois, Minnesota, and British Columbia. In Minnesota most 

 abundant in the northern part of the state, occuring southward in the 

 edge of tamarack swamps to the region about Minneapolis and more 

 rarely in open peaty swamps further south. Flowers in May. 



Andromeda Linne 1753 

 (Named for the mythological character Andromeda) 



Small upright shrubs (some of the sub-genus P i e r i s, tree-like) ; buds 

 very small, scaly; leaves evergreen, alternate, flowers in terminal clusters, 

 sepals 5, pointed, united at the base, petals 5, almost completely united 

 to form a jug : shaped corolla, stamens 10, included, anthers awned, open- 

 ing by terminal pores, ovary 5-celled, superior, style short, straight, 

 columnar, stigma terminal, unlobed ; fruit a sub-globose capsule, loculicidal, 

 many seeded, seeds small, flat, oval. 



A genus of two closely related species, one Arctic the other of north- 

 eastern North America, with which are often included the twelve species 

 of P i e r i s of eastern Asia and eastern North America. 



Andromeda glaucophylla Link 1821 



Shrubs 5 cm. -4 dm. high, from a creeping base; bark of young shoots 

 brown, of older shoots gray; leaves linear, leathery, nearly sessile, margins 

 rolled back, dark green above, white and finely hairy beneath, tip acute, 

 base wedge-shaped, midrib prominent, 2-5 cm. long, 2-5 mm. wide; flow- 

 ers in small terminal umbel-like clusters, pedicels 3-5 mm. long, curved, 

 glaucous; flowers white, about 4 mm. long; capsule depressed, globular, 

 indented on top ; glaucophylla, Gr. glaucous leaved. 



Labrador to Manitoba, south to New Jersey and Minnesota. In Min- 

 nesota common in bogs in the northern and eastern parts of the state, 



