404 HYPERICACEAE 
leaf-axils, Leaves black dotted, generally broader at tip than at base. 
Clusters of flowers nearly terminal, of many flowers, leafy. Common in 
pastures, ete. July-Sept. ‘ 
9. H. maculatum, Walt. (Fig. 9, pl. 96.) Spotrep St. JoHN’s- 
wort. (H. punctatum, Lam.). Shrubby at base, 1 to 3 ft. high. Leaves 
oval, broadest at base, abundantly sprinkled with black dots, 1 to 3 in. 
long. Flowers small, crowded; petals black dotted, much longer than the 
sepals. Styles 3. Capsule 3-celled. Moist soil. July-Sept. 
10. H. boreale, (Britton) Bicknell. (Fig. 11, pl. 96.) NorTHEerN 
Sr. Joun’s-wort. Stems rounded or somewhat 4-angled, 1 to 13 ft. high. 
Leaves elliptic, } to 1 in. long, 1/12 to 1/3 in. wide, commonly 3-nerved. 
Clusters leafy, few flowered. Stamens few. Capsule purple, longer than 
the sepals or petals. Wet soil. July-Sept. 
11. H. mutilum, L. (Fig. 10, pl. 96.) Dwarr Sr. JoHN’s-wort. 
Stems slender, 4 to 2 ft. high, abundantly branched, 4-angled. Leaves 
oblong, clasping at base, somewhat rounded at tip, 5-nerved. Flower 
clusters not leafy, but with awl-shaped bracts. Flowers small. A slender 
species. Low grounds. | July-Sept. 
12. H. majus, (A. Gray) Britton. Larcer CANADIAN ST. JOHN’S- 
wort. Stems | to 3 ft. high, stouter than No. 12, branched above. Leaves 
lance-shaped, clasping at base, tapering but rounded at tips, 5-nerved. 
Moist soil. June-Sept. 
13. H. canadense, L. (Fig. 8, pl. 96.) CANADIAN St. JOHN’S-worT. 
Stems 4 to 14 ft. high, branching. Leaves linear, 4 to 2 in. long, rounded 
at tip. Flower clusters with awl-like bracts. Flowers small. Low 
grounds. July-Sept. 
3. SAROTHRA, L.  ‘ 
Small branching herb, with leaves reduced to scales. Flowers small, 
yellow, along the stem in the axils of some of the scales. Petals 5; 
sepals 5, stamens 5 to 10. 
S. gentianoides, L. (Fig. 3, pl. 96.) ORraNcr-crass. (Hypericum 
nudicaule, Walt.). Stems wiry, 3 to 9 in. high. In sandy fields. Com- 
mon. June-Oct. ‘ 
4. ELODEA, Pursh. (Triadenum, Raf.) 
Perennial herbs growing in marshes. Leaves opposite and without 
lobes or teeth. Flowers in terminal clusters also in smaller clusters in 
the leaf axils. Calyx of 5 divisions; petals 5; stamens 9 or more in 
3 groups. Alternating with these stamen groups are three large glands 
resembling petals. The presence of these glands forms the distinctive 
feature of the flower of Hlodea. 
l. EQ virginica, (L.) Nutt. (Fig. 3, pl. 97.) Marsn Sr. Joun’s- 
wort. Opposite leaves oblong, blunt at each end and attached direcily 
to the stem without intervention of leaf-stalk, dotted with black dots. 
Flowers reddish-purple each about 4 in. broad. Swamps. July-Aug. 
2. E. petiolata, Pursh. Lararr Marsn Sr. Jonn’s-wort. Plant - 
usually larger than No. 1, and leaves attached to the stem by a short 
leaf-stalk. 
