IOWA ACADEMY OF SCIENCE 
73 
HYPERICACEAE. 
HYPERICUM (Tourn) L. 
617. Hypericum ascyron L. Giant St. John’s-wort. Plenty in open 
woods, in marshy spots. 
618. Hypericum punctatum Lam. Spotted St. John’s-wort. Scarce in 
damp woods, 
619. Hypericum cistifolium Lam. Round Podded St. John’s-wort. 
Common in open places, especially along streams. 
620. Hypericum mutilum L. Dwarf St. John’s-wort. Common in low 
or moist fields and woods. 
CISTACEAE. 
HELIANTHEMUM (Tourn) L. 
621. Helianthemum majus BSP. Hoary Frostweed. Common on dry 
hills. 
LECHIA (Kalm) L. 
622. Lechia stricta Leggett. Bushy Pinweed. Common in dry soils in 
open places. 
623. Lechia tenuifolia Michx. Narrow-leaved Pinweed. Not uncom- 
mon in similar places. 
YIOLACEAE. 
VIOLA (Tourn) L. 
624. Viola pedata L. Bird’s-foot Yiolet. Not common but occurring 
on sandy wooded hills. 
625. Viola pedata Yar. linearilohi DC. Scarce; found with the above. 
626. Viola cucullata Ait. Hooded or Marsh Yiolet. Common in moist 
places. 
627. Viola papilionacea Pursh. Meadow Yiolet. Common. 
628. Viola palmata L. Early or Palmate Yiolet. Not uncommon in 
rich woodlands. 
629. Viola sororia Willd. Wood Yiolet. Common in woods and fields. 
630. Viola fimbriatula Sm. Ovate-leaved Yiolet. Locally abundant 
near Hills Siding. 
