ERICACE^. (heath FAMILY.) 311 



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



awl-shax'Cd. Style long. Valves of the capsule cobwebby on the edges. 



Suborder IV. Monotropese. (Txdian-pipe Family.) Flow- 

 ers nearly as in Suborders 2 or 3, but the plants herbaceous, root-para- 

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

 Seeds as in Suborder 3. 



* Corolla monopetalous ; anthers 2-celled. 



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



25. Sch'weinitzia. 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. braehycera, 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 ivaxy atoms. 



2. G. dum6sa, Torr. & Gray. (Dwarf Huckleberry.) Somewhat 

 hairy and glandular, low (1 -5° high from a creepiug 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 Jloicetg, 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 



