186 
IOWA ACA.DEMY OP SCIENCES. 
CORNACE^. 
Gornus asioerifolia Mx. Taylor, Fremont, Montgomery, and 
Pottawattamie counties; thickets; common. 
G. sericea L. Adams county; low places; common. 
G. paniculata L ’ Her. Ringgold and Pottawattamie counties. 
G. alternifoUa L. Johnson county; one shrub, from which 
several specimens were collected, is known. 
Capripoliace^. 
Sambucus canadensis L. Clarke, Union, Adams, Montgom- 
ery, Pottawattamie, Ringgold, Taylor, Page, and Fremont 
counties. Low grounds; common. 
Viburnum pubescens Decatur county. Upland thick- 
ets; frequent locally. 
V. lentago L. Union and Decatur counties. Low ground, 
along streams; frequent. 
V. prunifolium L. Johnson county. Low grounds; infre- 
quent. 
F. dentatum L. Johnson county. Wooded ravines; infre- 
quent. 
Triosteum perfoliatum L. Union, Adams, Pottawattamie, 
Ringgold, and Page counties. Woods; common. 
Symplioricaijdos vulgaris Mx. Clarke, Union, Adams, Mont- 
gomery, Pottawattamie, Lucas, Monroe, Ringgold, Taylor, 
Page, and Fremont counties. Upland woods and prairies; 
common. 
S, occidentalis Hook. Fremont and Pottawattamie counties. 
Base of loess hills; common. 
Lonicera suUivantii Gray. Fremont county. Woods; a few 
collected. 
Rubiace^. 
Houstoniof angustifolia Mx. Taylor and Fremont counties. 
Prairies and loess hills; common. 
Galium concinnum T. & G. Union and Page counties. 
Woods; common. 
G. circcezans Mx. Fremont and Pottawattamie counties. 
Woods; common. 
Composite. 
Vernonia noveboracensis latifolia Gray. Ringgold county. 
Pastures; common. 
Eupatorium purpureum L. Ringgold, Page, and Pottawat- 
tamie counties. Woods; common. 
