IOWA ACADEMY OF SCIENCES 
147 
obtuse, exceeding the sepals, erect-spreading; filaments and anthers of 
about equal length, the connective not prolonged; styles slender; berry 
globose, 3-lobed, about one-half inch in diameter. 
This species ranges from Pennsylvania to Ohio and Kentucky, west 
to Minnesota and Iowa. The flowers appear as early as March and as late 
as May. The habitat is woods and thickets. In Iowa the species is fre- 
quent in favored localities and is found in most portions of the state. 
Specimens in the writer's herbarium are from Winneshiek, Johnson 
and Decatur counties The State University herbarium has specimens 
from the additional counties of Linn, Henry and Chickasaw counties. 
Professor Fink reported the species from Payette county; Professor 
Pammel from Cherokee county; Professor Hitchcock from Boone county; 
Upham from Emmet county; Gow from Adair county; Professor Bessey 
from Des IMoines county; and Peck from Hardin county. 
Flores. Iowa Farmer and Ilorticnltnrist. Yol. 1. No. 2. p. 30. June, 1853. 
Bessey, (\ E. Fourth Biennial Report of the Iowa State Agricultural Col- 
lege, p. 122, 1872. 
Arthur, ,1. C. Contributions to the Flora of Iowa, p. 32, 1870. 
I’reston, C. II. Proceedings of the Davenport Academy of Natural Sciences, 
Yol. 2, p. 120, 1877. 
I'pham, Warren. Catalogue of the Flora of Minnesota, p. 144, 1884. 
Hitchcock, A. S. Transactions of the Academy of Science of St. Louis, Yol. 
5, p. 520, 1802. 
Pammel, L. II. Proceedings of the Iowa Academy of Sciences, 1805, Yol. 3, 
p. 134, 1800. 
Shimek, B. Bulletin from the Laboratories of Natural History of the State 
Fniversity of Iowa, Yol. 3, No. 4, p. 213, February, 1800. 
Britton, N. L. and Brown, A. Illustrated Flora, Yol. 1, p. 436, 1800. 
Fink. Bruce. ^ Proceedings of the Iowa Academy of Sciences, 1800, A'ol. 4, 
p. 104, 1807. 
Fitzpatrick, T. ,1. Proceedings of the Iowa Academy of Sciences, 1807, Yol. 
5. p. 130, 1808. 
Fitzpatrick T. .1. and M. F. L. Proceedings of the Iowa Academy of Sciences, 
1807, Yol. 5, p. 100, 1808; Yol. 0. 1808, p. 108, 1800. 
(low, James E. Proceedings of the Iowa Academy of Sciences. 1000, A'ol. 
8, p. 150, 1901. 
Cratty. R. I. Proceedings of the Iowa Academy of Sciences, 1003, A'ol. 11, 
p. 210, 1004. 
Mueller, H. A. Proceedings of the Iowa Academy of Sciences, 1003, Yol. 11, 
p. 278, 1004. 
Peck. Alorton E. I’roceedings of the Iowa Academy of Sciences, 1004, A'ol. 
12, p. 204, 1005. 
4. Trillium grandiflorltAi (Michx.) Salisb. Large-flowered Wake- 
robin. 
Trillium. rJiomboidcum var. (jrandiporum Alichx. FI. Bor. Am. 1 : 210. 1803. 
Trillium grand iflorum Salisb. Par. Bond. 1 ; pi. 1. 1805. 
This species much resembles Trillium erectum L.. but differs obviously 
in having the petals usually much longer and obovate or oblanceolate ii 
outline. The species occurs in woods from Quebec to Ontario and Minne- 
sota; south to Florida and Missouri. The flowers appear in May or June. 
Professor Bessey reported the species from Fayette, Fayette county, and 
Burlington, Des Moines ccuntv, but his reports lack confirmation. 
Bessey, C. E. Fourth Biennial Report of the Iowa Agricultural College, p. 
122, 1872. 
