Ord. 1.] DECANDRIA MONOGYNIA. 89 



Parasit. on the roots of beech and fir. If. 6. Juicy, of a pallid hue. 

 226. ANDRoMEDA. Andromeda. 



1. A.polifolia, 10.813. (Marsh A.) Clusters terminal. Leaves al- 

 ternate, lanceolate, revolute ; glaucous beneath. 

 Mossy bogs. T? . 6. 6 — 9 in. evergr. Fl. white or reddish, drooping. 



227. ARBUTUS. Strawberry-tree. Bear-berry. 



1. A. Unedo, 35. 2377. (Common S.) Stem arboreous. Leaves 



smooth, bluntly serrated. Panicle terminal. Berry with many 

 seeds. 

 Limest. rocks, S. of Ir. \ . 9. Bushy. Berry crims. very like a 

 strawberry. 



2. A. alp'ina, 29. 2038. (Black B.) Stems procumbent. Leaves 



rugged, serrated. Clusters terminal. 

 Rocky mount. ^ . 5. Stems woody, trailing. Berries smooth, black. 



3. A. Uvaursi, 10.714. (Red B.) Stems procumbent. Leaves obo- 



vate, entire. Clusters terminal. 

 Alpine, stony heaths. Tj . 6. Widely spreading. Fl. rose-col. Ber. 

 red, mealy. 



228. PyROLA. Winter-green. 



1. P. rotundifolia, 3. 213. (Round-leaved W.) Stamens ascending. 



Style twice as long, declining and recurved. Cluster many- 

 flowered. Calyx as long as the stamens. 

 Bushy pi., rare, 2£ . 7, 8. L. nearly orbic. Fl. droop, white, bell-sh. 



2. P. media, 28. 1945. (Intermediate W.) Stamens regularly in- 



flexed. Style twice as long, deflexed. Cluster many-flowered. 

 Calyx shorter than the stamens. 

 Northern woods. If. 7. Smaller. Fl. drooping, globose, milk-wh. 



3. P. minor, 3. 168. (a bad fig.), P. rosea, 36. 2543. (Lesser W.) 



Stamens regularly inflexed. Style the same length, straight. 

 Stigma five-lobed, pointless, without a ring. Cluster of many 

 drooping flowers. 

 Northern woods. 1{. 7. Still smaller. Fl. rose-col. Style short. 



4. P. secunda, 8. 517. (Serrated W.) Leaves ovate, acute, serrated. 



Cluster unilateral. Pores of the anthers dilated. Style straight. 

 Stigma five-lobed. 

 Alpine woods. 14 . 7. L. acute, veiny. Fl. droop. Pet. white, con- 

 verging. 



5. P. uniflbra, 3. 146. (Single-flowered W.) Stalk single-flowered. 



Pores of the anthers tubular, contracted. Stigma with five 

 pointed rays. 

 Moist woods, N. of Scotl., rare. V-. 7, About 2 in. L. roundish. 

 Fl. large, fragrant. 



