HYPERICACEJE. (ST. JOHN’S-WORT FAMILY.) 53 
the base; flowers numerous in simple or compound clusters; pods 
ovoid-oblong, ^-celled. — Penn, to Ohio and Michigan. July - Sept. — 
Shrub 1° - 3° high, with long rather simple shoots, leaves 2 1 long and 
or more wide, and large flowers. In New Jersey and southward is 
a variety ? which is more bushy, with smaller and more clustered 
leaves and flowers. 
* * Perennial herbs : styles ( spreading ) and cells of the pod 3 : petals 
and anthers with black, dots: calyx appressed: stamens in 3 or 5 
clusters. 
4. H. perforatum, L. (Common St. John’s-wort.) Stem 
much branched and corymbed, somewhat 2-edged (producing runners 
from the base); leaves elliptical-oblong or linear-oblong, with pellu¬ 
cid dots; petals (deep yellow) twice the length of the lanceolate acute 
sepals; styles diverging; flowers numerous in open cymes. — Pas¬ 
tures and meadows, &c. June-Sept. — Introduced from Europe, 
but thoroughly naturalized, and too well known everywhere as a per¬ 
nicious weed, which it is almost impossible to extirpate. Its juices 
I are very acrid. 
5. H. corymbdsnm, Muhl. (Spotted St. John’s-wort ) 
Conspicuously marked with both black and pellucid dots; stem terete, 
f sparingly branched; leaves oblong, somewhat clasping; flowers crowd- 
r ed (small); petals pale yellow, much longer than the oblong sepals.— 
I Damp places, common. July - Sept. — Leaves larger and flowers much 
smaller than in No. 4; petals marked with black lines as well as dots. 
§3. Stamens very numerous, obscurely clustered: pod 1-celled, the 3 
placentae projecting but not joined in the centre, bearing the seeds on 
the inner face. 
* Somewhat shrubby at the base. (Styles united.) 
6. H. niidiflorum, Michx. (Naked-flowered St. John’s- 
wort.) Stem 4-angled, winged above; leaves oblong or lanceolate - 
t oval, obtuse, pale; cyme compound, leafless; sepals oblong ; pods 
I ovoid-conical. — Pennsylvania (rare) and southward. Flowers rather 
small. 
7. H. splireroc&rpon, Michx. (Round-fruited St. John’s- 
’ wort.) Stem nearly terete; leaves oblong-linear, obtuse, thickish, pale 
beneath, spreading ; cyme compound, depressed, leafless; sepals 
ovate ; pods depressed-globose. — Rocky banks, Ohio and southw r est- 
y ward. July. — A handsome species, 2P high. Pod strictly 1-celled. 
8. H. adpressum, Barton. (Upright-leaved St. John’s- 
^ wort.) Stem simple, somewhat 4-angled below and 2-edged above, 
jl scarcely woody at the base; leaves ascending, lanceolate or linear - 
oblong, thin, the upper acute ; cyme few-flowered, nearly leafless; se¬ 
pals very unequal; pods ovoid-oblong. — Moist places, Philadelphia 
and New Jersey. Rhode Island, Olney. July, Aug. Plant! -2° 
high. Flowers half as large as in No. 4. 
5 * 
