iiOi ORDER 73. ERICACE^. 



* Leaves obtuse at each end. Flowers purple or lilac, not spotted Xos. 1, 2 



* Leaves acute or acuminate, dotted or discolored ben^a* h. Fl*. spotted. . . Nos. 3, 4, 5 



* Leaves acuminate, scarcely paler beneath. Flowers very broad, purple No. 



1 R. ILappomeum Wahl. Lapland Rose Bay. Dwarf; Ivs. elliptical, very small, 



roughened with concave rusty scales both sides ; fls. small (7"), lobes equal, purple ; 

 sta. 5, 7, or 10, exserted. High nits., N. Eng., N. Y. 810', very bushy. June, July. 



2 R. Catawfoieiise MX. Catawba Rose Bay. Lvs. oval, rounded-obtuse at each 



end, paler beneath, smooth; cal. lobes oblong, elongated; cor. broad-campanulate, 

 lilac-purple, large (14") ; stam. 10. High mts., Va., N. Car. 3-6f. Lvs. 35'. Jn. t 



3 It. punctatum Andr. Lvs. elliptical, acute or acuminate, glabrous, the lower sur- 



face and dense corymbs covered with resinous clot* ; fls. bell-funnel-form, pink-red, 



green-spotted within, the lobes wavy. Uplands, Car., Ga. 4 6f. Lvs. 2 3'. Jn., Jl. t 



B. ChapmdnU. Lvs. oval-obovate, obtuse, small (12') ; sepals minute. W. Fla. 



4 R. maximum L. Lvs. obovate-oblong, acute, smooth, coriaceous, rusty beneath, 



revolute on the margin ; cal. lobes oval, obtuse ; cor. white to roseate, spotted with- 

 in ; lobes unequal, roundish. Along streams, N. Eng. to Ga. 6 20f. Splendid, t 



5 It. ARBOREUM. Lvs. lanceolate, silvery-spotted beneath ; cor. lobes crenulate and 



curled, white, buff, red, crimson, &c. ;' calyx downy. Himmaleh Mts. 5 20f. 



6 R. PONTICUM. Lvs. lance-oblong, attenuated to each end, smooth, green both sides ; 



corolla bell-rotate ; calyx smooth. Asia Minor. Low bush, flowers broad (20, purple. 



18. RHODORA, Dunham. Cor. adnate to the 5-toothed calyx, deeply 

 divided into 3 segments, upper one much the broadest, 2-3-lobed at the 

 apex, in bud enfolding the 2 lower. Sta. 10, declinate, fil. unequal, anthers 

 opening by 2 pores. Caps. 5-celled, 5-valved. Cells many-seeded. *) 

 With alternate leaves, and pale-purple flowers. April, May. 



R. Canadeiisis L. Woods or swamps, N. Eng. to Penu. 23f. Fls. in terminal 

 clusterp, 1', appearing before the oblong leaves, which are downy-canescent beneath. 



19. BE J ARIA, Mut. Fls. heptamerous. Calyx 7-toothed, campanu- 

 late. Corolla of 7 distinct petals. Sta. 14. Caps. 7-celled, 7-valved, many- 

 seeded. 5 With alternate, entire Ivs., and fls. in dense, racemous panicles. 

 B. racemosa Vent. Branches hispid and glutinous ; Ivs. ovate-lanceolate, glabrous ; 



racemes terminal, white. Sandy soils, Ga., Fla. 3 4f. June, July. 



20. LEDUM, L. LABRADOR TEA. Calyx minute, 4-toothed. Cor. 

 5-petalled, spreading. Sta. 5 10, exserted, anthers opening by 2 terminal 

 pores. Caps. 5-celled, opening at the base. J> Lvs. alternate, entire, fer- 

 ruginous-tomentous beneath, coriaceous. Fls. in terminal corymbs, white. 

 Ii. latifolium Ait. Lvs. elliptic-oblong, strongly revolute at edge ; eta. 5 7, scarcely 



exserted. Mountains, Penn., to Greenland. 2 4f. May July. 



21. LEIOFHYLLUM, Pers. SAND MYRTLE. Calyx 5-parted. Pet. 

 5, ovate-oblong, spreading. Sta. 10, exserted, anthers dehiscing by lateral 

 clefts. Caps. 3-celled, 3-valved, many-seeded. 5 Glabrous, with erect 

 branches. Lvs. alternate, entire, oval, coriaceous, revolute-edged. Co- 

 rymbs terminal. Flowers white. 



Jj. buxiloHum Ell. Pine-barrens, N. J. to Car. 8 12f. Leaves shining. May. 



22. CLETHRA, Gsert. SWEET PEPPER-BUSH. Cal. 5-parted, persist- 

 ent. Pet. 5, distinct, obovate. Sta. 10, exserted, anth. inverted in the bud, 

 at length erect. Style persistent, stigma 3-cleft. Caps. 3-celled, 3-valved 



