250 ORDER 18. HYPERICACE/E. 



18 H. sphserocarpon 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-tb.3 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 ; st. acutely 4-cornered ; Ivs. oblong-lanceolato, 

 acute; cymas leafless; sty. 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. often 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; Ivs. 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. 816' high, slender, colored at base. Lvs. 813" by 2 4", some- 

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

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

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



21 H. gravSolena Buckley. St. terete, smooth, nearly simple; Ivs. oblong-ovate, 

 clasping, punctate beneath ; cymes terminal and axillary ; sep. and pet. narrow ; 

 fil. OO; styles 3. High Mti, 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, virgate; Ivs. ovate- 

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

 the ovary. CD Wet pine barrens, S. Car. to Fla. and La., common. Lvs. 4 8" long, 

 $ as wide, very acutj. St. 1 3f high, quito simple to near the top, clothed with 

 a rough coat of hairs. Fls. 5 6" diam., mostly alternate on the branches of tho 

 cyme. Jn. Sept. 



23 H. mutilum L. DWARF ST. JOHN'S WORT. St. quadrangular, branched ; 

 Ivs. obtuse, ovate-oblong, clasping, 5-vetned, minutely punctate; cymes leafy; pet. 

 shorter than the sep. ; sta. 6 12. 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 ; Ivs. linear, attenuated to the 

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

 lanceolate, acute sep.; sta. 5 10. (D Wet sandy soils, Can. to Ga, St. 6 12' 

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

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

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

 twice as long as the sepals. Jn. Aug. 



25 H. Sarothra MX. St. and branches filiform, quadrangular; Ivs. very minute, 

 subulate ; fls. sessile; 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 is twice the length of the sepals. JL, Aug. 



.26 H. Drummondii Torn & Gr. Branches alternate, square above ; Ivs. 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. 

 (p Near St. Louis, to Ga. and La. Plant more robust than tho last, 10 10' high, 

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



3. ELODfcA, Adams. (Gr. iX^S^, marshy ; from the habitat of the 

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

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

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

 n Herbs with pellucid-punctate Ivs., tho axils leafless. Fls. dull orange- 

 purple. 



