628 FLORA. 



in sets; styles 3; capsule ovoid, somewhat 3-lobed, 8-12 mm. long. Mountains of 

 Va., Term, and N. Car. June-Sept. 



15. Hypericum boreale (Britton) Bicknell. NORTHERN ST. JOHN'S-WORT. 

 (I. F. f. 2457.) Annual, or sometimes stoloniferous, 3-45 cm. high. Leaves 

 elliptic, oval, oblong, or linear-oblong, 6-32 mm. long, sessile or slightly clasping, 

 obtuse, mostly 3-nerved, those of the lower part of the stem commonly much 

 smaller; cymes leafy-bracted ; flowers about 5 mm. broad; sepals obtuse; capsule 

 oblong, obtuse or obtusish, apiculate, 4-5 mm. long, purple, cross-wrinkled, 

 longer than the sepals; seeds 3-5 times as long as wide, pale, longitudinally fur- 

 rowed and finely cross-lined. Wet soil, Newf. to Vt. , N. J. and Penn. July- Sept. 



1 6. Hypericum mutilum L. DWARF OR SMALL-FLOWERED ST. JOHN'S- 

 WORT. (I. F. f. 2458.) Annual, generally tufted, 1.5-8 dm. high. Branchlets 

 4-angled; leaves oblong or ovate, sessile, clasping, obtuse, 8-32 mm. long, 5-nerved 

 at the base; cymes many-flowered, subulate-bracted; pedicels 2-12 mm. long; flow- 

 ers 1-4 mm. broad, light orange-yellow; sepals foliaceous, linear, lanceolate, or 

 oblanceolate ; stamens 5-12; styles 3; capsule ovoid, pointed, 2-4 mm. long, some- 

 what longer than the sepals. In low grounds, N. S. to Man., Fla., Kans. and Tex. 

 July- Sept. 



17. Hypericum gymnanthum Engelm. & Gray. CLASPING- LEAVED ST. 

 JOHN'S-WORT. (I. F. f. 2459.) Annual, erect, 2-9 dm. high. Leaves ovate, or 

 the lower oval, cordate-clasping, often distant, 8-20 mm. long, acute, or the lower 

 obtuse, 3-y-nerved at the base; cymes terminal, loose, subulate-bracted ; flowers 

 numerous, 2-4 mm. broad; sepals lanceolate, generally somewhat shorter than the 

 ovoid capsule; styles 3; stamens 10-12; capsule about 4 mm. long. In low 

 grounds, N. J. and Del. to Minn., La. and Tex. July -Sept. 



18. Hypericum majus (A. Gray) Britton. LARGER CANADIAN ST. JOHN'S 

 WORT. (I. F. f. 2460.) Annual, erect, 3-9 dm. high, the branches nearly upright. 

 Leaves lanceolate, or oblong-lanceolate, sessile or somewhat clasping, 2-6 cm. 

 long, 5~7-nerved; flowers 6-10 mm. broad; sepals lanceolate, acuminate; styles 3; 

 capsule narrowly conic, acute, longer than the sepals; seeds minute, cross-lined 

 and faintly longitudinally striate. In moist soil, Me. to Mich., N. J. and Neb. 

 June-Sept. 



19. Hypericum Canadense L. CANADIAN ST. JOHN'S-WORT. (I. F. f. 2461.) 

 Annual, 1.5-5 dm. high. Branches angular; leaves linear, 15 cm. long, obtuse, 

 tapering to the base, 3-nerved; flowers 4-6 mm. broad; sepals lanceolate, acute ; 

 stamens 5-10; styles 3; capsule narrowly conic, acute, 4-8 mm. long, longer than 

 the sepals; seeds striate. In wet sandy soil, Newf. to Man., Ga., Ky., and Wis. 

 July-Sept. 



20. Hypericum Drummondii (Grev. & Hook.) T. & G. DRUMMOND'S ST. 

 JOHN'S-WORT. (I. F. f. 2462.) Annual, bushy-branched, 2.5-8 dm. high, rigid. 

 Leaves linear- subulate, 8-25 mm. long, erect or narrowly ascending, i mm. wide. 

 i-nerved; flowers scattered along the upper part of leafy branches, 4 mm. broad; 

 sepals lance-linear, longer than the petals; stamens 10-20; styles 3; capsule ovoid, 

 4 mm. long, equalling or shorter than the sepals; seeds large, rugose. In dry soil, 

 Va. to Ga., 111., Iowa, Kans. and Tex. July-Sept. 



3. SAROTHRA L. 



A low annual much-branched herb, the opposite leaves reduced to subulate 

 scales, the mostly opposite branches erect-ascending, the very small yellow flowers 

 alternate, very short-pedicelled or sessile along them in the axils of still smaller 

 scales. Sepals 5, equal. Petals 5. Stamens 5-10. Styles 3, separate. Capsule 

 elongated-conic, i-celled, much longer than the sepals; seeds minutely striate and 

 pitted. [Greek, a broom.] A monotypic genus of E. N. Am. 



i. Sarothra gentianoides L. ORANGE-GRASS. PINE-WEED. (I. F. f. 2463.) 

 Erect, 1-5 dm. high. Branches filiform, erect, wiry; leaves about 2 mm. long, ap- 

 pressed; flowers nearly sessile, 2-3 mm. long, open in sunlight; sepals linear, about 

 equalling the petals and much shorter than the acute purple pod; seeds very small. 

 In sandy soil, Me. to Fla., Ont, Minn., Mo. and Tex. June-Oct. 



