60 
IOWA ACADEMY OF SCIENCE Vor.. XXVII, 1920 
Stipa Neisoni Scribn. Specimen Mountain, 12,500 feet; west fork of 
St. Louis creek; open places. 
S. viridula Trin. Manitou; west fork of St. Louis creek; Lookout 
Mountain; common on mountain slopes. 
S. Vaseyi Scribn. Lookout Mountain. 
Phleum alpinum L. Mount Byers, 10,500 feet; Specimen Mountain, 
12,900 feet; common in parks and meadows. 
Alopecurus aristulatiis Michx. West fork of St. Louis creek. 
Sporobolus cryptandrus (Torr.) Gray. Lookout Mountain;' Berber 
streets and vacant lots. 
S. asperifolia Nees. & Meyer. Lookout mountain. 
Cinna latifolia (Trev.) Griseb. Spruce creek, Arapahoe national forest; 
moist places in spruce woods. 
Agrostis hiemalis (Walt.) B. S. P. Specimen Mountain, 9,500 feet; 
Mount Byers, 10,000 feet; west fork of St. Louis creek; Lookout Moun- 
tain; Fraser, in burnt-over areas. 
A. humilis L. Mount Byers. 12,000 feet; Milner Pass, 10,700 feet. 
Moist places near snow banks. 
Calamagrostis canadensis (L) Beauv. Beaver bog, west fork of St. 
Louis creek; Specimen Mountain, 12,000 feet; Mount Byers, 9,000 feet; 
Berthoud Pass. In moist places near springs and creeks. 
C. purpurascens R. Br. Mount Byers. 
Deschampsia caespifosa (L) Beauv. Mount Byers, 10,500 feet; Milner 
Pass, 11,700 feet; Berthoud Pass; Specimen Mountain, 12,500 feet; west 
fork of St. Louis creek; Fraser. Common in parks and open places. 
Trisetum spicatum (L) Richt. Mount Byers, 12,000 feet; Specimen 
Mountain, 12,900 feet; Camp Uray on Grand river, 10,000 feet; Fraser; 
west fork of St. Louis creek. 
T. montanum Vasey. Berthoud Pass, 11,000 feet, on Pacific slope. 
Avena fatua L. Lookout Mountain. 
Danthonia intermedia Vasey. West fork of St. Louis creek; Mount 
Byers. 
D. californica Bolander. Lookout Mountain. 
Bouteloua olygostachya (Nutt.) Torr. Common near Denver and Man- 
itou. 
B. gracilis (H. B. K.) Lag. Lookout Mountain. 
Koeleria cristata Pers. Lookout Mountain; Berthoud Pass. 
Bromus Richardsonii Link. Specimen Mountain, 10,000 to 12,000 feet; 
Camp Uray, Grand river; Mount Byers; Fraser. In parks and pine 
woods. 
B. Porteri (Coult.) Nash. Mount Byers, 10,500 feet; Lookout Moun- 
tain. 
Poa pratensis L. Camp Uray, Grand River; west fork of St. Louis 
creek; Lookout Mountain; common in pine woods. 
P. alpina L. Mount Byers; Milner Pass, 10,700 feet; Specimen Moun- 
tain, 10,000 feet; west fork of St. Louis creek. Abundant above timber 
line. 
P. leptocoma Trin. Specimen Mountain, 12,000 feet; Mount Byers, 
12,000 feet. In moist places, edge of snowbanks. 
P. crocata Michx. Mount Byers, 10,500 feet, moist places. 
