PIPER—FLORA OF THE STATE OF WASHINGTON. 121 
lla. Agrostis hyemalis geminata (Trin.) A. 5. Hitchcock, U.S. Dept. Agr. Bur. PI. 
Ind. Bull. 68: 44. 1905. 
Agrostis geminata Trin. Gram. Unifl. 207. 1824. 
Tyee Locauity: Unalaska. 
Rance: Alaska to Washington and Colorado. 
SPECIMENS EXAMINED: Cascade Mountains, Henderson, July, 1892; Skagit Pass, Lake & 
Hull 119; Mount Rainier, Allen in 1894. 
ZONAL DISTRIBUTION: Arctic. 
12. Agrostis idahoensis Nash, Bull. Torr, Club, 24: 42, 1897. 
Agrostis tenuis Vasey, Bull. Torr, Club, 10: 21, 1883, not Sibth. 1794. — 
Agrostis tenuiculmis Nash, Mem, N. Y. Bot, Gard. 1: 32. 1900. 
TYPE LocaLity: ‘‘ Forest, Nes Perces County, Idaho.’’ Collected by Heller. 
Rance: Washington and Montana to California and Colorado. 
SPECIMENS EXAMINED: Without locality, Brandegee 1165; Wenache Mountains, Cotton 
1669; without locality, Suksdorf in 1883. 
ZONAL DISTRIBUTION: Canadian? 
13. Agrostis oregonensis Vasey, Bull. Torr. Club. 13: 55, 1886 (April). 
Agrostis attenuata Vasey, Bot. Gaz. 11: 337. 1886 (December). 
Type Locatity: Oregon.” Collected by Howell. 
Rance: Washington and Oregon. 
SPECIMENS EXAMINED: Skamania County, Suksdorf 907; Copalis, Conard 47; Lake Suth- 
erland, Lawrence 318; Kittitas County, Henderson 2123. 
ZONAL DISTRIBUTION: Humid Transition. 
14. Agrostis schiediana Trin. Mem. Acad. St. Petersb. VI. 67: 327. 1841. 
Agrostis hallii californica Vasey, Contr. Nat. Herb. 3: 74. 1892. 
TYPE LocALItTy: ‘‘ Mexico.” 
Rance: British Columbia to Mexico. 
SPECIMENS EXAMINED: Falcon Valley, Suksdorf 50,189, 196; Lewis River, Henderson 2131. 
On Suksdori’s List appear the names Agrostis canina L., A. densiflora Vasey var.(arena- 
ria), A. verticillata Vill. (A. stolonifera L.), and A. perennans Tuck.? These names all 
seem to rest upon erroneous determinations, the last being A. hyemalis. A. verticillata 
Vill. has been collected at Walla Walla by Leckenby, but only from cultivated plots. 
HOLCUS. 
1. Holcus lanatus L. Sp. Pl. 2: 1048. 1753. VELVET GRASS. 
Type Locauity: ‘‘ Habitat in Europae pascuis arenosis.” 
SPECIMENS EXAMINED: Seattle, Smith 785; near Montesano, Heller 3952; Clarks Springs, 
Spokane County, Areager 86. . 
Quite commonly escaped from cultivation. In western Washington known as ‘“ mes- 
quite grass.” 
ARRHENATHERUM. 
1. Arrhenatherum elatius (L.) Beauv.; Mert. & Koch, Deutsch. FI. 1: 546, 1823. 
TALL MEADOW OATGRASS. 
Avena elatior L. Sp. Pl. 1: 79, 1753. 
Holcus avenaceus Scop. F]. Carn. ed. 2. 276. 1772. 
Arrhenatherum avenaceum Boiss. Voy. Bot. Espagne 2: 657. 1839-45. 
Type Loca.iry: ‘Habitat in Europae maritimis & apricis.”’ 
SPECIMENS EXAMINED: Seattle, Piper 830. 
AIRA. Hair Grass. 
Panicle loose; lemma 2 mm. long... .--...---.------------------- 1. A. caryophyllea. 
Panicle dense; lemma 3 mm. long .......--...-----2-2----- eee eee 2. A. praecor. 
