250 Order 18.— HYPERICACE^E. 



18 H. sphaerocarpon Mx. St. obscurely 4-sided ; Ivs. linear-oblong, obtuse, 

 with a minute callous tip, almost veinless; cyme compound, nearly leafless, pedun- 

 culate; sep. ovate, mucronate; sty. closely united ; caps, globular. — Rocky banks 

 of the Ohio and Ky. rivers. St. somewhat woody at base, 10 — 15' high. Lvs. 

 1 — 2' long, \ as wide, closely sessile, with large, pellucid dots. Fls. at length 

 numerous, 7" diam. JL 



19 H. angulosum Mx. Herb smooth ; si. acutely i-cornered ; lvs. oblong-lanceolate, 

 acute ; cymes leafless ; sly. distinct, thrice larger than the ovary. — Swamps in pine 

 barrens, N. J. to Fla. (Bainbridge, Ga,, Misses Keen). St. nearly 2f high. Lvs. 

 distinct, opaque, scarcely punctate, 8 — 12" long, 1 — 3" wide, edges revolute, 

 Fls. oftan alternate on the ultimata branches. Sepals ovate, striate, acute, 5 

 times shorter than the orange-colored petals. Jl. 



20 H. ellipticum Hook. Herb smooth; st. quadrangular, simple; lvs. elliptical, 

 obtuse, somewhat clasping, pellucid-punctate; cyme pedunculate ; sep. unequal; 

 sty. united to near the summit, as long as the ovary. — % Low grounds Can. to 

 Penn. St. 8 — 16' high, slender, colored at base. Lvs. 8 — 13" by 2 — 4", some- 

 what erect, about as long as the internodes. Cymes of about a dozen flowers, 

 generally 1 or 2' above the highest pair of leaves. Central fl?. subsessilc. Petals 

 acutish, orange-yellow, 2 — 3" long; sep. shorter. Stig. minute. Jl. 



21 H. graveolens Buckley. St. terete, smooth, nearly simple ; lvs. oblong-ovate, 

 clasping puuctato beneath ; cymes terminal and axillary ; sep. and pet. narrow ; 

 fil. (X>: styles 3. — High Mts., N. Car. (Buckley). Plant with a strong odor. 

 Stem 2 — 3f high. Lvs. 2' long, half as wide. Fls. largo and numerous. 

 Jl.— Aug. 



22 H. pilosum Walt. Herb rough-downy ; st. simple, terete, virgale; lvs. ovate- 

 lanceolate, appressed, clasping, acute; cyme few-flowered; sty. distinct, as long as 

 the ovary. — 'X) Wet piue barrens, S. Car. to Fla. and La., common. Lvs. 4 — 8" long, 

 i as wide, very acuta. St. 1 — 3f high, quito simple to near tho top, clothed with 

 a rouo-h coat of hairs. Fls. 5 — 6" diam., mostly alternato on tho branches of the 

 cyme. Jn. — Sept. 



23 H. mutilum L. Dwarf St. John's Wort. St. quadrangular, branched ; 

 lvs. obtuse, ovate-oblong, clasping, b-veined, minutely punctate; cymes leafy; pet. 

 shorter than the sep.; sta. G — 12. — (D Damp sandy soils, Can. to Ga., W. to Ind. 

 St 3 — 6 — 9' high. Lvs. closely sessile, apparently connate, 4 — 8" by 2 — 5", 

 outer veins obscure. Fls. minute, orange-colored. Jl., Aug. 



24 H. Canadense L. St. quadrangular, branched; lvs. linear, attenuated to the 

 base, with pellucid and also with black dots, rather obtuse ; pet. shorter than tho 

 lanceolate, acute sep.; sta. 5 — 10. — (T) Wet sandy soils, Can. to Ga. St. 6 — 12' 

 high, slightly 4-winged. Lower branches opposite, upper pair forked. Lvs. 



8 12" by i — 1 or 2", sometimes linear-lanceolate, radical ones obovate, short 



Fls. small, orange-colored. Ova. longer than tho styles. Caps, red, very acute, 

 twice as long as the sepals. Jn. — Aug. 



25 H. Sarothra Mx. St. and branches filiform, quadrangular; lvs. very minute, 

 subulate ; fls. sesiila ; sta. 5 — 10. — (1) St. 4 — 8 — 12' high, branched above into 

 numerous, very slender, upright, parallel branches apparently leafless, from tho 

 minuteness of the leaves. Fls. very small, yellow, succeeded by a conical brown 

 capsule which i3 twico tho length of the sepals. Jl., Aug. 



26 H. Drummondii Torr. & Gr. Branches alternate, square above ; lvs. linear, 

 very narrow, acute, longer than the internodes; fls. pedicellate; sta. 10 — 20; 

 sep. lanceolate, shorter than the petals, but longer than the ovoid capsule. — 

 ODNear St. Louis, to Ga. and La. Plant more robust than the last, 10 — 20' high, 

 very branching. Lvs. £' long. Fls. about 4" diam. 



3. EL0DEA, Adams. (Gr. tAwoV^, marshy ; from the habitat of tho 

 plant?.) Sepals 5, equal, somewhat united at base ; petals 5, deciduous, 

 equilateral; stamens 9 (rarely more), triadelphous, the parcels alter- 

 nating with 3 hypogynous glands; styles 3, distinct; capsule 3 -celled. — 

 U Herbs with pellucid-punctate lvs., the axils leafless, Fls. dull orange- 

 purple. 



