ORDER 18. HYPERICACE^E. 249 



8 H. perforatum L. St. 2-edged, branched; Ivs. with pellucid dots ; sep. lanceo- 

 late, half as long as the petals. 1 A hardy plant, prevailing in dry pastures, 

 Can. and U. S., much to the annoyance of farmers. St. 1 to 2f high, brachiate 

 erect, round, with 2 opposite, elevated lines extending between the nodes! 

 Lvs. 6 10" long, as wide, ramial ones much smaller, all obtuse, the dots as 

 well as veins best seen by transmitted light. Fls. numerous, deep yellow, in 

 terminal panicles. Petals and sep. bordered with fino dark-colored glands. Jn 

 JL Eur. 



9 H. corymbosum MuhL Sis. terete, corymbously branched ; Ivs. oblong-ovate 

 or oval, obtuse, marked with black (as well as pellucid) dots; sep. ovate, acute (very 

 small) as long^ as the petals. 1 Woods and plains, Can. to Penn. and Ark. St. 

 1 to 3f high, with many small fls. in a corymb of dense cymes. Lvs. 1 to 2' long, 

 nearly as wide, veiny, either clasping or sessile, or (in a variety, E. Tenn.j 

 almost petiolate. Fls. small, petals with oblong black dots. Stig. orange-red on 

 distinct styles. Jn., JL 



10 H. maculatum "Walt. St. terete, corymbously branched ; Ivs. oblong, thickly 

 sprinkled with black dots; sep. lanceolate. S. Car., Ga. (Feay) Fla. St. 'at first 

 simple, often becoming diffusely branched, 1 to 4f high. Lvs. smaller (about 1' 

 by 3"). Fls. rather smaller. This species (or variety?) scarcely differs from No. 

 8, but in its bluish aspect (from the numerous dots) and smaller Ivs. Jl., Aug. 



11 H. aftreum Bartram. Branches spreading, ancipital ; Ivs. thick, lance-ovate, 

 obtuse, sessik ; fls. (large) solitary, sessile. A beautiful shrub, Ga., near Macon. 

 St. 2 to 4f high. Lvs. 2 to 3' long, as wide, obtuse or mucronulate, only the 

 strong mid- vein visible, almost petiolate, edge wavy-crisped. Fls. 18" broad. 

 Petals reflexed. Sta, excessively numerous (more than 500), shorter than the 3 

 partly united styles. Jn., Aug. 



12 H. myrtifolium L. St. terete ; Ivs. thick, ovate or oblong, cor date- clasping ; 

 fls. in a leafy compound fastigiate cyme, the dichotomal sessile. Ga., Fla. Shrub 



1 to 2f in hight, declined and often divided at base, corymbed above. Lvs. about 

 1' long, -?f or J as wide, glaucous. Sep. lance-linear, as long as (3 4") tho 

 petals, at length reflexcd. Sta. as long as the sty., which separate at top. 

 May, Jn. 



13 H. ambigimm Ell. Branches ancipital ; Ivs. lance-linear, thin, acute ; fls. soli- 

 tary and in 3s in the axils of the upper leaves. Banks of the Congaree and Chat- 

 tahoochee, Ga. Shrub with scaly bark, 2 to 4f high, with numerous, opposite 

 branches. Lvs. 1 to 2' long, 3 4" wide, sessile, mucronate, with a white, cal- 

 lous point. Sep. lance-linear, as long as the 1-toothed petals. Sty. united. 

 May , Jn. 



14 H. cistifolium Lam. St. 2-winged, subsimple; Ivs. linear-oblong, obtuse 

 sessile ; fls. in a leafless, compound cyme. Ga. to Fla. and La. Shrub straight 

 and erect, 1^ to 2f high. Lvs. 1' long, 2 3" wide, opaque, with smaller ones 

 clustered in the axils. Petals twice longer than the oval sepals. Sty. united 

 except at the top, nearly as long as the capsule. May. 



15 H. adpressum, Bart. St. 2-winged above; Ivs. linear-oblong or lanceolate, 

 half erect ; cymes few-leaved ; sep. lance-linear ; caps, almost 3-celled. Swamps, 

 R. L, Penn. to Ark. Plant about 2f high. Lvs. 1 2' by 2 4", pellucid- 

 punctate, sessile, rather acute. Fls. 6" diam., 15 20 in an almost leafless cyme. 

 Sep. unequal, half as long as the oblong-obovate petals. Sty. 1. Aug., Sept. 



16 H. nudiflorum MX. St. and branches 4.-angled and winged; Ivs. crate-lanceolate 

 or oblong, obtuse, sessile; cyme leafless, peduncled; sep. linear; caps, almost 

 3-celled. Wet grounds, Penn. to La. and Ga. Plant woody at base, 1 2f high, 

 with numerous branches. Lvs. thin, about 2' long, with minute, pellucid, reddish 

 dots. Fls. few, small, rather loose in the stalked cyme. Aug., Sept. 



17 H. dolabriforme Yent. St. decumbent at the woody base, scarcely 2-edged 

 above; Ivs. linear-lanceolate, spreading, veinless; fls. in a kafy, fastigiate cyme; 

 seps. lance-ovate, about as long as the very oblique (dolabriform) petals. Ky. and 

 Tenn. Sts. G 18' long, with scaly bark at base. Lvs. 1' or more in length, 

 sessile, with smaller ones in the axils with brownish dots. Jl. Aug. 



