ERICACEAE. 153 



acutely auricled sessile entire overlapping leaves ; minute rounded 

 solitary buds with few scales, generally developing the first 

 season ; small perfect deeply parted white or reddish gamo- 

 petalous flowers along the branches in a feathery tuft, drying 

 on the stem ; and small rounded 4-celled capsules. 



1. Neither matted nor prostrate. 2. 



With spreading or prostrate branches. C. vulgaris prostrata. 

 Forming low dense mats. C. vulgaris nana. 



2. Gray-woolly. C. vulgaris hirsuta. 

 Not gray-woolly. 3. 



3. Flowers white. 4. 

 Flowers pink or red. 5. 



4. Flowering in early autumn. C. vulgaris alba. 

 Flowering very late. C. vulgaris Searlei. 



5. Flowers pink or rosy. 6. 



Flowers carmine. C. vulgaris rubra. 



6. Flowers single. C. vulgaris. 

 Flowers double. C. vulgaris plena. 



CHTOGENES. Moxie Plum. 



Delicate trailing evergreen shrubs with very slender sub- 

 terete twigs, minute roundish homogeneous pith ; alternate low 

 half-round or crescent-shaped minute leaf-scars with a single 

 bundle-trace ; no stipule-scars ; minute flattened buds ; small 

 broad pointed subsessile leaves ; small pale perfect cup-shaped 

 gamopetalous flowers solitary in the axils ; and berry-like fruit 

 Stem rough : leaves glabrous above, revolute. C. hispidula. 



GAYLUSSACIA. Huckleberry. 



Rather small mostly deciduous shrubs with roundish slender 

 twigs ; roundish homogeneous pale pith ; alternate small low 

 crescent-shaped leaf-scars with I bundle-trace ; no stipule- 

 scars ; solitary small sessile ovoid buds with about 3 exposed 

 scales ; simple usually entire and resinous-dotted rather small 

 short-stalked leaves ; small perfect often reddish urn-shaped 

 gamopetalous flowers ; and berry-like fruit with the seeds en- 

 closed singly in core-like small shells. 



