IOWA ACADEMY OF SCIE^CES 
127 
This species occurs in rich moist woods ITom New Brunswick and 
Ontario to Minnesota, south to Georgia, Alabama and Arkansas. In Iowa 
it blooms in April and May and appears to be infrequent. 
The only Iowa specimen at hand was collected in Johnson county, 
April, 1883. The writer has seen specimens from Winneshiek and Des 
Moines counties. J. C. Arthur reported the species from Benton county; 
Bruce Fink from Fayette county, and F. Reppert from Muscatine county. 
I’arry, C. C. Owen’s Report of the. <leologie:iI Hurvey of Wisconsin, Iowa, 
and Minnesota, p. 620, 1852. 
Ressey, C. E. Fourth Biennial Report of the Iowa Slate Agricultural Col- 
lege, p. 122, 1872. 
Arthur, ,T. C. Froceedings of the Davenport Academy of Natural Sciences, 
Vol. 2, p. 259, 1878. 
Fink, Bruce. Froceedings of the Iowa Academy of Sciences, 1890, Yol. 4, 
p. 103, 1897. 
Fitzpatrick, T. J. I‘roceedings of the Iowa Academy of Sciences, 1897, Vol. 
5, p. 129, 1898: The Iowa Naturalist. A'ol. 1, No. 4, p. 81, October, 1905; The 
Melanthaceae of Iowa, p. 8, December, 1905. 
Fitzpatrick, T. J. end AI. F. L. I’roceediugs of the Iowa Academy 'of Sciences, 
1897, A^ql. 5, p. 106, 1898. 
Barnes, W. D. ; Reppert, Fred: and Miller, A. A. Froceedings of the' Daven- 
port Academy of Sciences, Vol. 8, p. 201, 1900. 
3. LILIACEAE Adans. Fam. PI. 42. 1763. 
Lily Family. 
Scapose or leafy-stemmed herbs from bulbs or corms, with linear, 
lanceolate, or ovate leaves, and solitary or clustered, regular, usually per- 
fect flowers. Perianth of six separate or slightly united segments. 
Stamens 6, hypogynous or borne on the perianth-segments; anthers 
2-celled, introrse, sometimes extrorse. Ovary 3-celled; ovules few or 
many in each ceil; style one; stigma capitate or 3-lobed. Fruit usually 
a Icculicidal capsule; seeds Vvinged cr wingless. 
Plants wdth thick fibrous fleshy roots: scape tall. 1. Jlcmerocallis. 
I’lants w'ith bulbs or corms. 
Flowmrs umbelled ; odor onion-like. 2. AUiam. 
Flowers solitary, racemed, corymbed, or pauicled. 
Autliers not introj-se ; perianth-segments all alike or nearly so. 
Anthers versatile : tall herbs. 3. JAlinm. 
Anthers not vei'satile : hnv herbs. 4. Erijihroniinn. 
Antliers introrse: segments separate: fllaments filiform. .5. Quamasia. 
Stem with a wujody caudex : leaves rigid, bearing marginal fibers. 0. Yucca. 
1. Heimekocallis fulva L. Sp. PI. Ed. 2: 462. 1762. Day Lily. 
Roots fibrous, fleshy thickened, appearing tuberous; scapes 3 — 6 feet 
high, hollow, angled, with a few short bracts above, the base appearing 
fibrous coated due to the decaying leaves; leaves linear, 4 — 14 lines wide,' 
10 — 30 inches long, channeled above, carinate below; flowers 6 — 15, tawny 
yellow, on pedicels which are 3 — 6 lines long, panicled, ephemeral, 4 — 5 
inches long; tube of the perianth 10 — 18 lines long; perianth funnelform; 
the lobes oblong, netted-veined, spreading, the three outer nearly flat, 
acutish, the three inner undulate, bluntish ; stamens 6, inserted at the 
summit of the perianth tube, shorter than the lobes, declined; filaments 
