280 ERICACEAE. (lIKATH FAMILY.) 



TiUDE II. ItllODOUK^iK. CapMule Hepticidally Ueliiacent. 

 * Curolla moiioiHitaluus. 



10. K.VLMIA. Curolla wheel-slmped, with 10 cavities iii which the anthers are lodged. 



11. MKNZIKSIA. Corolla (siiiall) ovoid, 4-toothcd. Stamens 8, included. 



12. RHODODKNDRON. Corolla (large) funnel or bell-shaped, 5-lobed. Stunieiis 5 or 10, 



exserted. 



* * Corolla of 4 - 7 separate petals. 



13. LEIOPHYLLUM. Corolla r>-petalou8. Anthers o])ening lengthwise. 



14. BK.IARIA. Corolla T-pctalous. Anthers opening at the apex. 



15. ELLIOTTIA. Corolla 4-petalous. Anthers opening lengthwise. 



SiHoiiiiKH III. rVi;<»l.INi:.K. Calyx frt'C froiii the ovarv. Corolla 

 polvpetalous, hypogynous. AiitluTs li-lionieil, resupiuate iu the Imd. Cap- 

 sule lofuliciilal. 



16. CLETHRA. Flowers racemose. Capsule 3-celled. Leaves deciduous. 



17. PYROLA. Flowers racemose. Style filiform. Leaves persistent. 



18. CHIMAPHILA. Flowers umbellate. Style broadly turbinate. Leaves persistent. 



Suborder IV. MONOTROPE^. Calyx of 4 - h .scale-like or l.ract-like 

 sepals. Corolla 5-lobed or 5-petalous. Seeds very iniuute. — Fleshy scaly 

 herbs, parasitic on roots, and destitute of green foliage. 



19. SCHWEINITZIA. Corolla monopetalous, bell-shaped, 5-lol)ed. Anthers 2-celled. 



20. MONOTROPA. Corolla 4 - 5-petalous. Anthers kidney-shaped, opening across the 



top. 



Suborder I. VACCII^IE^. The Whortleberry Family. 



1. GAYLUSSACIA, Kuntli. Hlcklkkerky. 



Corolla tubular, ovoid, or bell-shaped, .'i-cleft. Stamens 10 : anthers awn- 

 less. Fruit a berry -like drupe containing 10 seed-like nutlets. — Low branch- 

 ing mostly resinous-(b)tted slirubs, with white or reddisii nodding Howers, in 

 lateral bracted racemes. 



1. G. frondosa, Torr. & Gray. Leaves entire, oblong or obovatc, obtuse, 

 rugose, glaucous, and like tlie spreading l)ranches sliglitly pubescent; corolla 

 small (2"), short-bell-shaped, reddish ; berry dejjre.sscd-globose, blue, glaucous ; 

 bracts small, oldong. — Low ground. April. — Shrub I°- 5° high. 



2. G. dumosa, Torr. & Gray. Branches and racemes pubescent ; leaves 

 thick, obloug-obovate, serrulate, mucronate, soon smooth and shining ; corolla 

 (4" long) bell-shaped, angled, white ; bracts ovate, leafy ; berry globose, smooth> 

 black. — Var. iiiktklla. Stem taller (l°-2° high); brandies, leaves, and 

 berries hirsute or hairy. — Low sandy pine barrens and swamps. April - 

 May. — Shrub 6'- 12' high. Berry 4"- 6" in diameter. 



3. G. resinosa, Torr. & Gray. Stem much branched ; leaves oblong or 

 obovate, entire, coated, like the branchlets, etc., with resinous vi.scid globules ; 

 racemes few-flowered ; bracts small, deciduous ; corolla small, ovoid or cylin- 

 drical, reddish; berry black, smooth. — Sand}' woods in the upper districts. 

 April - May. — Shrub 2° - 3° high. 



