PIPER FLORA OF THE STATE OF WASHINGTON. 139 



13. Festuca subuliflora Scribn. in Macoun, Cat. Can. PI. 2: 396. 1890. 

 Festuca ambigua Vasey, Contr. Nat. Herb. 1 : 277. 1893, not Le Gall. 1852. 

 Festuca denticulata Beal, Grasses N. Am. 2: 589. 1896. 



Type locality: Goldstream, Vancouver Island. 

 Range: Washington to California in the coast region. 



Specimens examined: San Juan County, Henderson 2197; Seattle, Piper in 1889; 

 Olympia, Henderson 2179; Port Crescent, Lawrence 278. 

 Zonal distribution: Humid Transition. 



14. Festuca subulata Trin. in Bong. Mem. Acad. St. Petersb. VI. 2: 173. 1832. 

 Festuca jonesii Vasey, Contr. Nat. Herb. 1 : 278. 1893. 



Type locality: Sitka. 



Range: Alaska to Utah and California. 



Specimens examined: Olympic Mountains, Elmer 1916, 1918; Coupeville, Gardner 338; 

 Seattle, Piper 837, 957, 938; Smith, June, 1890; Nisqually Valley, Allen 39; Piper 1981; 

 Harmony, G. Hofer, July 26, 1901; without locality, Sandherg <& Leiherg 504; Blue Moun- 

 tains, Piper, July 16, 1896; LaTce <& Hull 81; Horner 506; Clarks Springs, Kreager 38; 

 Chelan County, Vasey 5. 



Zonal distribution: Humid Transition to Hudsonian. 



PANICTJLARIA. 



Spikelets linear, 10 to 20 mm. long. 



Floweringglumesscabridonly on the nerves; spikelets 10 to 17 mm. 



long 1 . P. borealis. 



Flowering glumes scabrid all over the back; spikelets 16 to 2D mm. 



long 2. P. fluitans. 



Spikelets ovate or oblong, 2 to 8 mm. long. 



Flowering glume with 5 prominent nerves 3. P. pancifiora. 



Flowering glume with 7 prominent nerves. 



Spikelets 3 to 4 mm. long 4. P. nervata. 



Spikelets 4 to 6 mm. long 5. P. americana. 



1. Panicularia borealis Nash, Bull. Torr. Club 24: 348. 1897. 

 Glyceria borealis Piper, Fl. Palouse Reg. 27. 1901. 



Type locality: Van Buren, Maine. 



Range: New York to California and northward. 



Specimens examined: Valley of Nisqually, Alien 441; Seattle, Piper 855; Ellensburg, 

 WhiUd, June 29, 1897; North Palouse River, Vasey, July 1, 1900; Pullman, Piper 1748; 

 without locality, Sandberg & Leiberg 701 ; Vasey 57, 517. 



Zonal distribution: Transition. 



2. Panicularia fluitans (L.) Kuntze, Rev. Gen. PI. 2: 782. 1891. 

 Festuca fluitans L. Sp. PI. 1 : 75. 1753. 



Glyceria fluitans R. Br. Prod. Fl. Nov. Holl. 1: 179. 1810. 



Panicularia davyi Merrill, Rhodora 4: 145. 1902. 



Glyceria leptostachya Buckl. Free. Acad. Phila. 1862: 95. 1862. 



Type locality: European. 



Range: British Columbia to Newfoundland, southward to New Jersey, Kentucky, and 

 California. 



Specimens examined: Near Montesano, ^cZZer- 3982; Quinault River, Lami 1400; Van- 

 couver, Piper 4905. 



Zonal distribution: Humid Transition. 



The Heller and the Lamb specimens agree with the types Panicularia davyi and Glyceria 

 leptostachya, characterized by having the lemmas puberulent-scabrous and the glumes 

 small and thin. These characters seem to be too variable, however, to accept as specific. 



