488 ORDER 73. ERICACEAE. 



/5. RIIOMBIFOLIA. Lvs. roundish-oval, obtuse or abruptly pointed ; cal. half as 

 long as the turgid-ovate corolla. (A. rhombifolia Pers. ?) 



10 A. Mariana L. STAGGERBUSH. Glabrous; Ivs. deciduous, oval, subacuto 

 at each end, flat, entire, subcoriaceous, paler beneath ; flowering branches leaf- 

 less ; pedicels fasciculate ; cal. lobes linear, foliaceous : cor. ovate-cylindric ; stain. 

 10, fil. villous. Woods and dry, sandy soils, N. J., Penn. to Fla., common. An 

 ornamental shrub, 2 to 3f high, with very smooth, deciduous foliage, and largo 

 (5" long), whito or pale red fls. Caps, urn-shaped, the valvelets narrow-linear. 

 Seeds angular. Jn., Jl. After flowering the calyx and corolla sometimes becomo 

 very large and erect, as if diseased. (Leucothoe, G. Don.) 



11 A. axillaris Lam. Lvs. oblong or elliptic-lanceolate, acute, or slightly pointed, 

 petiolate, spinulous-serrulate, glabrous, or minutely strigous beneath ; fls. in axil- 

 lary, dense racemes, not drooping, much shorter than the Ivs. ; sep. broad-ovate, ob- 

 tusish ; cor. ovoid-cylindrical Banks of streams, Va, to Fla. in the low country, 

 common. Shrub 2 to 3f high. Lvs. largo (3 to 5' long). Rac. spike-like, inter- 

 rupted. Feb., Mar. ; again in Sept. 



12 A. Catesb&i "Walt. Lvs. ovate-lanceolate, conspicuously acuminate, rounded 

 at base, petiolate, serrulate, with appressed, spinulous teeth, thick, strigous be- 

 neath ; fls. in spicate, drooping racemes as long as the blade of the leaves ; sep, 

 ovate-oblong, acute. Banks of streams, Penn. (Miss Carpenter, Blue Ridge), to 

 Ga. in the mountainous district. Rac. 2 to 3' in length, on the long, recurved 

 branches. May. (Leuoothoe, Don.) 



13 A. acuminata L. PIPE- WOOD. Lvs. very smooth, rigid, ovate and lanceo- 

 late, gradually acuminate, entire, on short petioles ; rac. few-flowered ; cor. cylin- 

 drical ; sep. broad-ovate, acute ; caps, globular, strongly lobed. Shady swamps, 

 S. Car. to Fla, Sta. 3 to lOf high, straight and hollow. Lvs. 2 to 4' long, 1' 

 wide. Fls. white, abundant and handsome. Apr. The stems are used by 

 smokers in pipe-making. 



14 A. ligustrina Muhl. Pubescent; Ivs. deciduous, obovate-lanceolate, acumi- 

 nate-cuspidate, finely serrulate ; fls. somewhat paniculate, in terminal, leafless 

 racemes; caps. 5-angled by the linear valvelets. Shrub, 4 to 8f high, in swamps, 

 &c., Mid. and S. States. Lvs. abruptly acuminate, paler beneath, 2 to 3' long and 

 nearly half as wide, on short petioles. Fls. small (1" long), nearly globous, white, 

 in dense panicles. (Jn. *J1). 



/?.- FRONDOSA. Panicle with small Ivs. scattered among tho fls. (A. frondosa 

 Muhl.) 



15 A. fermginea Walt. Shrubby; Ivs. evergreen, distant (not crowded}, oblan- 

 ceolate or obovate, obtuse, tapering to very short petioles, thick, revolute-edged, 

 rust-scaly beneath ; fls. in axillary umbels ; valvelets of the capsules nearly as 

 large as the valves. Pine woods, Ga. and Fla. Shrub 3 to 5f high. Lvs, 1 to 

 2' long. Fruit appearing when open as if 10-valved. Jn. 



16 A. rigida Ph. Arborescent; branches rigid, erect; Ivs. rigid, coriaceous, 

 crowded, obovate, acute, strongly revolute edged, rust-scaly beneath ; fls. numer- 

 ous, in axillary umbels, bbssoming in April ; fruit as in the last Sandy pino 

 barrens, S. Car. to Fla. A small tree, 10 to 2 Of high, remarkably rigid and leafy. 

 Lvs. 1' long, pale or yellowish-green. 



17 A. montana Buckley. Lvs. evergreen, ovate-lanceolate, minutely serrate or 

 entire, ciliate; fls. in large, terminal and axillary panicles; pedicels 3-bracted, 

 bracts subulate, the 2 upper opposite ; ped. pubescent. High Mts. of N". Can 

 Shrub 5 to 6f high. Lvs. 2' by 1', tho petiole 6" long. Stem above sprinkled 

 with mucronate glands. 



12. OX\DEN'DRUM, DC. SORREL-TREE. (Gr. 6%v, sour, Mvdpov, 

 a tree; the herbage is sour to the taste.) Sepals bractless, valvatc in 

 the early bud ; corolla urceolate, ovoid, 5-toothed ; stamens 10, anther* 

 linear, erect, awnless, cells opening lengthwise ; capsule oblong, trun- 

 cate, 5-celled, 5-valved, placenta below, seeds many, ascending. A 

 tree, with deciduous, petiolate, oblong-lanceolate, acuminate, serrulate 

 Ivs. and terminal panicles of slender, spicate racemes. 



