ERICACEAE. (HEATH FAMILY.) 811 



23. Pyrola. Acaulescent. Flowers in a raceme. Petals not widely spreading. Filaments 



awl- shaped. Style long. Valves of the capsule cobwebby on the edges. 



SUBORDER IV. Monotropese. (INDIAN-PIPE FAMILY.) Flow- 

 ers nearly as in Suborders 2 or 3, but the plants herbaceous, root-par a* 

 sitic, entirely destitute of green foliage, and with the aspect of Beech-drops. 

 Seeds as in Suborder 3. 



* Corolla monopetalous ; anthers 2-eelled. 



24. Pterospora. Corolla ovate, 5-toothed; anthers 2-awned on the back, opening lengthwise. 



25. Schweinitzia. Corolla broadly bell-shaped, 5-lobed ; anthers opening at the top. 



* * Corolla of 4 or 5 separate petals; calyx imperfect or bract-like. 



26. Monotropa. Petals narrow. Anthers kidney-shaped, opening across the top. 



1. GAYLUSSACIA, HBK. HUCKLEBERRY. 



Corolla tubular, ovoid, or bell-shaped ; the border 5-cleft. Stamens 10; an- 

 thers awnless ; the cells tapering upward into more or less of a tube, opening 

 by a chink at the end. Fruit a berry-like drupe, containing 10 seed-like nutlets. 

 Branching shrubs, with the aspect of Vaccinium, commonly sprinkled with 

 resinous dots ; the flowers (white tinged with purple or red) in lateral and 

 bracted racemes. (Named for the distinguished chemist, Gay-Lussac, ) 

 # Leaves thick and evergreen, somewhat serrate, not resinous-dotted. 



1. G. brach^cera, Gray. (BOX-HUCKLEBERRY.) Very smooth (1 

 high) ; leaves oval, finely crenate-toothed ; racemes short and nearly sessile ; 

 pedicels very short ; corolla cylindrical-bell-shaped Wooded hills, Perry Co., 

 Penn., to Del. and Va. May. Leaves resembling those of the Box. 



* # Leaves deciduous, entire, sprinkled more or less with resinous or waxy atoms. 



2. G. dumdsa, Torr. & Gray. (DWARF HUCKLEBERRY.) Somewhat 

 hair y and glandular, low (1 -5 high from a creeping base), bushy ; leaves ob~ 

 ovate-oblong, mucronate, green both sides, rather thick and shining when old ; 

 racemes elongated ; bracts leaf-like, oval, persistent, as long as the pedicels ; ovary 

 bristly or glandular / corolla bell-shaped ,- fruit black (insipid) Var. HIRTELLA 

 has the young branchlets, racemes, and often the leaves hairy. Sandy swamps, 

 Newf., along the coast to Fla. and La. ; the var. chiefly southward. June. 



3. G. frondosa, Torr. & Gray (BLUE TANGLE. DANGLEBERRY.) Smooth 

 (3-6 high); branches slender and divergent ; leaves obovate-oblong, blunt, 

 pale, glaucous beneath ; racemes slender, loose , bracts oblong or linear , decidu- 

 ous, shorter than the slender drooping pedicels ; corolla globular-bell-shaped 

 fruit dark blue with a white bloom (sweet and edible) Low copses, coast of 

 N. Eng. and mountains of Penn. to Ky. , south to La. and Fla. May, June 



4. G. resinbsa, Torr, & Gray (BLACK HUCKLEBERRY. ) Much branched, 

 rigid, slightly pubescent when young (1-3 high) ; leaves oval, oblong-ovate, or 

 oblong, thickly clothed and at first clammy, as well as the floweis, with shining 

 resinous globules ; racemes short, clustered, one-sided ; pedicels about the length 

 of the flowers ; bracts and bractlets (reddish) small and deciduous , corolla ovoid- 

 conical, or at length cylindrical with an open mouth ; fruit black, without bloom 

 (pleasant, very rarely white). Rocky woodlands and swamps, Newf to Minn,, 

 south to N. Ga. May, June. The common Huckleberry of the markets. 



