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IOWA ACADEMY OF SCIENCE 
831. Lonicera glaucescens Rydb. Douglas' 7 Honeysuckle. Rather com- 
mon in rich woods. 
832. Lonicera dioica L. Glaucous Honeysuckle. Common in rich 
woods. 
TRIOSTEUM L. 
833. Triosteum perfoliatum L. Feverwort or Horse Gentian. Common 
in rich woodlands. 
834. Triosteum auriantiacum Bick. Scarlet Fruited Feverwort. Less 
common and found in drier woods. 
VIBURNUM (Tourn) L. 
835. Viburnum pubescens (Ait.) Pursh. Downy-leaved Arrow- wood. 
Common in rocky wooded places. 
836. Viburnum molle Michx. Soft-leaved Arrow-wood. Not uncom- 
mon in similar places. 
837. Viburnum lentago L. Nanny-Berry. Common in woods and 
thickets. 
838. Viburnum prunifolium L. Black Haw. Rather scarce in rich 
woodlands. 
SAMBUCUS (Tourn) L. 
839. Sambucus canadensis L. American Elder. Common in thickets 
and along streams. 
CUCUBITACEAE. 
SICYOS L. 
840. Sicyos angulatus L. One-seeded Bur-Cucumber. Common in low 
thickets. 
ECHINOCYSTIS T. & G'. 
841. Ecliinocystis lobata (Michx.) T. & G. Wild Cucumber, Wild Bal- 
sam Apple. Common in thickets and along streams. 
CAMPANULACEAE. 
SPECULARIA (Heist) Fab. 
Specularia perfoliata (L.) A. DC. Venus 7 Looking Glass. Com- 
mon in dry soil in open places. 
842. 
