222 DICOTYLEDONOUS PLANTS. 



Stamais often 10. This shrub is said by Pursh to have a blue- 

 ish appearance,. by which it may be distinguished from all other* 

 at a great distance. 



10. AZALEA. Linn. Don. 



Calyx 5-parted. Corol short, campanulate, 5-cleft. Sta- 

 mens 5, equal, shorter than the corol ; anthers opening longi- 

 tudinally. Style straight, included. Capsule 5-celled, 5- 

 valved, opening at the top. Pentandria. Monogynia. 



A. procumbcns Linn. : stems diffusely procumbent ; leaves opposite, 

 elliptical, glabrous, revolute on the margin, included. Loiselcuria pro- 

 cumbens R. $ S. 



HAB. High mountains. N. S. N. to Arc. Amer. July. f?. 

 Shrub 3 4 inches long, branched, leafless below. Flmcer 

 smallj reddish, in small terminal umbels or corymbs. 



11. LEDUM. Linn. 



Calyx minute, 4-toothed. Corol 5-petalled, spreading. 

 Stamens 5 10, exserted ; anthers opening by two terminal 

 pores. Capsule subovate, 5-celled, 5-valved, opening at the 

 base, pedicellate. Seeds numerous, flat, linear, scabrous, 

 with a membranaceous wing at each extremity. 



Decandria. Monogynia. 



1 . L. latifolium Ait. : leaves oblong, replicate on the margin, ferru- 

 ginous tomentose beneath; stamens 5, as long as the corol. L. palus- 

 trt var. latifolium Mich. 



HAB. Sphagnous swamps. N. S. N. to* Arc. Amer. June. ^>. 

 An evergreen shrub, with the stem irregularly branched ; the 



branches woolly. Lcarts alternate, broad-oblong, obtuse. Flow- 

 ers large, in terminal corymb*, white. Labrador Tea. 



2. L. palustrc Linn. : leaves linear, revolute on the margin, ferrugi- 

 nous tomentose beneath ; stamens 10, longer than th corol. 



HAB. Swamps. N. S. N. to Arc. Amer. June. If.- A shrub 

 smaller than the last and with narrower leaves. I have found 

 both species in a sphagnous swamp near Fairhaven, Vt. 



ORDER LXXI. VACCINES. De Cand. Lind. 



Calyx superior, entire, or with from 4 to 6 lobes. Corol 

 monopetalous, lobed as often as the calyx. Stamens distinct, 

 double the number of the lobes of the corol, inserted into an 

 epigynous disk ; anthers with 2 horns and 2 cells. Ovary 

 inferior, 4 or 5-celled, many-seeded ; style simple ; stigma 

 simple. Berry crowned by the persistent limb of the calyx, 

 succulent, 4 or 5-celled, many-seeded, Seeds minute ; em- 



