VACCINJACE^. 223 



half an inch long. Flowers single or in pairs, nearly sessile. Berry oblong, 

 deep blue, crowned with the style. Alpine Marsh Whortleberry. 



** Leaves evergreen. 



12." V. Vifis Idcea Linn. : stem creeping; branches erect; leaves obovate, 

 evergreen, dotted beneath, subentire and revolute at the margin ; flowers in 

 terminal drooping racemes ; corolla cylindric-campanulate. 



Woods and mountains. Mass. N. to Arct. Amer. May. June. A low shrub 

 with a creeping stem and angular branches Leaves small, coriaceous. Flowers 

 few, in a raceme, pale red. Corolla mostly 4-cleft, with 4 stamens. Berry red, 

 acid. Also a native of Europe. Red Whortleberry. Cov&e'rry. 



2. OXYCOCCUS. Pcrs. Cranberry. 

 (From the Greek o|oj, acid, and KOKKUS, a berry.) 



Calyx adnate to the ovary, with the limb 4-cleft. Corolla 

 4-parted, with the segments somewhat linear and revolute. 

 Stamens 8. Filaments connivent. Anthers tubular, 2 -parted. 

 Berry 4-celled, many-seeded. 



1. O. macrocarpus Pursk : stem creeping, with the branches ascending ; 

 leaves oblong, nearly flat, obtuse, glaucous beneath; pedicels elongated, 

 1-flowered. Vaccinium macrocarpon Ait. 



Sphagnous swamps. Can. to Del. June. 17. Stein creeping, and throwing 

 up short erect branches. Leaves about half an inch long, obscurely serrulate. 

 Flowers white or pale red, on slender axillary pedicels. Berry large, bright scar- 

 let, agreeably acid. Common Cranberry. 



2. O. palustris Pcrs. : stem filiform, creeping ; leaves ovate, acute, en- 

 tire, with revolute margins; pedicels elongated, terminal, 1-flowered; seg- 

 ments of the corolla oval. O. vulgaris Pursh. Vaccinium Oxycoccus Linn. 



Alpine bogs. Can. to N. Y. June. 17. A small evergreen creeping plant. 

 Leaves 3 4 lines long, glaucous beneath. Flowers red. Berry bright purple, 

 globose, very acid, smaller than the preceding. Small Cranberry. 



3. PHALEROCARPUS. G. Don.SnowToeny. 

 (From the Greek <pn\ript<;, white, and xap/ro?, fruit.) 



Calyx bi-bracteate, adhering to the ovary ; the limb 4-parted, 

 thin and membranaceous. Corolla short-campanulate, 4-cleft. 

 Stamens 8. Filaments short and dilated. Anthers awnless. 

 Berry globose-ovoid, white, crowned with the teeth of the calyx, 

 4-celled ; the cells many-seeded. 



P. serpyllifolia G. Don : stem filiform, creeping, hispid ; leaves roundish- 

 ovate, acute, with slightly revolute margins, smooth above, pnler and some- 

 what hispid beneath ; flowers solitary, axillary, subsessile. GauUheria 

 serpillifolia Pursh. Vaccinium titspididitm Linn. CAiogenes hispid ul a 

 Torr. <$ Gr. 



Alpine swamps. Mass. Conn, and N. Y. May, June. 17. Stem creeping, 

 much branched. Leaves evergreen, small. Flowers solitary', on recurved 

 pedicels. Corolla and brrrif white; the Ui'tt'o-' the !a't.-,r resembling that ol' 

 GaitLlheria rrocwmbenf. ( r< j pini! Snoivberry. 



