168 THE FLORA. 
10 V. cuculla’ta. Hood-leaved V. Leaves reniform-cordate, base lobes involute. com. 
11 V. villo’sa. Woolly V. Leaves round-ovate, cordate, obtuse, flat, downy. M. 8, 
12 V. sagitta’ta. Arrow-lvd. V. Lvs. lance-oblong, some sagittate or cut-toothed at base. 
13 V.hasta’ta. Hulberd-leaved V. Smooth. Lvs. hastate. Stip. ovate, minute. S. 
14 V. tripar’tita, Three-cleft V. Hairy. Lvs. deeply 3-parted. Stip.lanceolate. 8, 
15 V. pubes’cens, Downy V. Downy. Lvs. broad-cordate. Stip. ovate, large. ¢ 
6 V. Canaden’sis, Canada V. Plant lf. high. Leaves cordate, pointed, smooth. 
17 V. stria’ta. Cream-colored V. Spur 4 the length of the corolla. Stip. large, oblong. 
18 V. Muhlenber’gii. Muhlenberg’s V. Spur } the length of corolla. Stip. lanceolate, 
19 V. rostra’ta. Long-spurred V. Spur longer than corolla. Stipules lanceolate. 
20 V. tric’olor. Pansy. Heartsease. Stipules as large as the leaves. Fis, three-colored. 
21 V. grandifio’ra. Great-floweredV. Stip. much smaller than the leaves. Purple. + 
22 V. odora’ta. Sweet English V. Stolons creeping. Lvs. cordate. Fragrant. +¢ 
Orver XVIII. HYPERICACEA, St. Johusworts. 
Herbs or shrubs with opposite, entire, 
dotted leaves, and no stipules; 
Jlowers mostly yellow, in cymes; 
sepals unequal, 4-5, dotted ; 
petals 4-5, twisted in the bud, dotted, 
and with the veins oblique; 
stamens hypogynous, in 3 or more par- 
cels; 
ovary superior; style 1; 
Jruit a capsule or berry, many-seeded. 
Analysis of the Genera. 
Petals and sepals 5....2 
Petals and sepals 4. Flowers yellow. 
St. Peterswort. As’oyRuM. 
2 Fis. yellow. St. Johnswort, Hyrer’ioum. 1 
2 Flowers purplish. Exopx’a. 
Fig, 400. Hypericum perforatum (Common St. 
Johnswort): stem, leaves, and flowers. ig. 401, 
The stamens in 8 sets surrounding the ovary with 8 
styles, Fig. 402, Cross-section of the ovary, 
