ST. JOHN’S-WORT FAMILY 403 
Stamens 25 to 100, more or less united in groups. 
Styles five. 
Leaves egg-shaped or nearly oval. 
Blower an ins on more: broad’s, %) «9... .. Hs Aseyron 
Leaves oblong-linear, flower nearly an in. broad . . . . H. Kalmianum 
Styles three, rarely four. 
Plants shrubby, at least at base. 
Leaves lance-shaped or oblong. 
lowers pamwins broad sn sue 2 el vy) el edn proliiccum 
lowers ins broad). yeu esme 5) be ew een densifiorum 
Plants not shrubby. 
Creeping at base, stem winged . . . - « A. adpressum 
Creeping at base, stamens not in phalanxes a eH, (Bisselin 
Erect, not creeping at base. 
Leaves elliptic, styles united at base . . H. ellipticum 
Leaves oblong or linear . . . . . . HA. perforatum 
Leaves egg-shaped, obtuse . . . . . H. maculatum 
Stamens 5 to 15. Flowers small. : 
Clusters of flowers with leafy bracts . as.) et k-e eeeDOrede 
Clusters of flowers with narrow awl- shaped bracts. 
Weaves eap-shapedOoneovall iii) cau tenes) co) ern meoreen eee 
eaves linear, ‘obtuse atvapex 2 = « «204. 9.) 3 Ais canadense 
Leaves lJance-shaped, acute at. apex =< = 9. 21. - |. ‘« Hl. ‘majus 
1. H. Ascyron, L. (Fig. 2, pl. 96.) Grant Sr. Jonn’s-wort. (H. 
pyramidatum, Ait.) Plant, 2 to 6 ft. high. Leaves oblong egg-shaped 
with rather blunt points, 2 to 5 in. long, clasping at base. Flowers 
bright yellow about 1 in. broad. On dry hills also along banks of streams. 
July-Aug. 
2. H. Kalmianum, L. (Fig. 1, pl. 96.) Katm’s St. JoHn’s-worrt. 
Shrubby, at least at base, 1 to 2 ft. high. Leaves narrow-oblong, obtuse 
but with the mid-vein protruding as a stiff bristle; about 2 in. long, 
4 in. wide at apex, narrowed at base; rather numerous. Branches 4-angled. 
Clusters of flowers mostly terminal. Individual flowers about { in. 
broad. Fruit capsule 5-celled, tipped with 5 styles. 
3. H. prolificum, L. Snmrusey St. Jonn’s-wort. Shrubby, 2 to 4 
ft. high. Leaves very numerous. oblong, narrow, rounded at tip, nar- 
rowed to a short leaf-stalk at base, 1 to 3 in. long. Flowers yellow, 
numerous, + to ? in. broad. Branches 2-edged. Sandy soil. July-Sept. 
4. H. densiflorum, Pursh. Busuy St. JoHN’s-wort. Similar to No. 
3, but branches, leaves and flowers smaller and crowded. July-Sept. 
5. H. adpressum, Bart. Creepina St. Jonn’s-wort. Shrubby at 
base, 1 to 2 ft. high. Leaves oblong-linear, 1 to 2 in. long, rounded at 
tip, branches 2-winged. Flowers in terminal clusters, without leaves, 
each about 4 in. broad. Styles 3 to 4. 
6. H. Bissellii, Robinson. Brssett’s St. JoHn’s-wort. Resembles 
H, adpressum, Stamens in the latter are separable into phalanxes, in 
this not. Capsule of H. adpressum partly divided into 3 or 4 cells, this 
has only 1 cell. Southington, Conn. July-Aug. 
7. H. ellipticum, Hook. (Fig. 5, pl. 96.) ExLiiptic-LEavep Sr. 
JOHN’S-worT. Smooth with 4-angled stem, 4 to 2 ft. high. Leaves thin, 
rather broadly elliptic, rounded at tip, without leaf-stalk at base. 
Flowers few, terminal, pale yellow, 4 in. broad. In marshy grounds and 
along streams. July-Aug. 
8. H. perforatum, L. (Fig. 7, pl. 96.) Common Sr. JoHn’s-wort. 
Stems 1 to 2 ft. high, 2-winged, much branched. Leaves oblong, rounded 
at tip, attached directly to stem, many shoots commonly springing from 
