198 IOWA ACADEMY OF SCIENCES. 



Johnson county. It is reported from Humboldt and Dubuque 

 counties by Professor Macbride. 



Proc. Iowa Acad, of Sciences, Vol. 6, p. 186; Flora of Iowa, 

 p. 69; Iowa Geol. Sur., Vol. 7, p. 106; Vol. 9, p. 151; Macbride 

 Forestry notes of Dubuque county, p. 21, Iowa Geol. Sur., 

 Vol. 10. 



Viburnum opulus L. This species seems to be limited to the 

 northeastern portion of the state. We have examined speci- 

 mens in the S. U. I. herbarium from Allamakee and Delaware 

 counties. It is reported from Fayette (Fink) and Dubuque 

 (Macbride) counties. It is found in the rough wooded portions 

 near the streams. The fruit is globose or oval, red, edible, 

 sometimes used as a substitute for cranberries. The species is 

 very ornamental and in cultivation is known as the snowball 



Arthur's Flora of Iowa, edition 1876, p. 16; Bui. Lab. Nat 

 Hist., Vol. 3, p. 203; Proc. Iowa Acad, of Sciences, Vol. 4, p 

 90; Flora of Iowa, p. 69; Iowa Geol. Sur., Vol. 8, p. 197; Mac 

 bride Forestry notes of Dubuque county, p. 20, Iowa Geol. Sur, 

 Vol. 10. 



Viburnum pubescens (Ait.) Pursh. This species is a small 

 •hrub, growing in clumps, in rocky upland woods. The leaves 

 are sessile or on short petioles, ovate or oval, rounded or some- 

 what cordate at the base, acute or acuminate, coarsely dentate, 

 velvety-pubescent beneath, mostly glabrous above. The 

 flowers appear in May. Drupes oval, black or blackish; stone 

 two-grooved on both faces. Our specimens are from Fayette 

 (Fink) and Decatur counties. Specimens that are referred to 

 this species are in the S. U. I. herbarium from Emmet and 

 Cerro Gordo counties. 



Arthur's Flora of Iowa, edition 1876, p. 16; Proc. Iowa Acad, 

 of Sciences, Vol. 4, p. 90; Flora of Iowa, p. 69; Trans. St, 

 Louis Acad, of Science, Vol. 5, p. 497. 



V. pubescens petiolum n. var. A low shrub, three to five feet 

 high, with slender grayish branches, opposite leaves, and 

 cymose flowers. The leaves are broadly oval to nearly orbicu- 

 lar, acuminate, sharply and somewhat irregularly dentate, 

 velvety-pubescent beneath, glabrous above, base cordate, 

 petioles one half an inch to an inch in length; fruit oblong or 

 oblong-oval, three to four-tenths of an inch long by two-tenths 

 of an inch wide; stone mostly plane on one side and convex on 

 the other, two-grooved on both surfaces. 



