PIPER FLORA OF THE STATE OF WASHINGTON. 263 



10. Arenaria nuttallii Pax; Engler's, Bot Jahrb. 18: 30. 1893. 

 AreTMvia pungens Nutt.; Torr. & Gr. Fl. 1: 179. 1838, not Clem. 1816. 

 Type locality: "Summit of hills in the Rocky Mountain range (lat. 41°)." 

 Range: British Columbia to California and Wyoming. 



Specimens examined: Mount Stuart, Brandegee 676; Elmer 1118; Mount Adams, 

 Suksdorf 48; Howell & Henderson, August, 1882; Henderson, August 10, 1892. 

 Zonal distribution: Arctic. 



11. Arenaria sajanensis Willd. Schlecht. Berl. Gesell. Nat. Fr. Mag. 7: 200. 1813. 

 Type locality: "Auf der ostlichen Hohen des altaischen G«birges," Siberia. 

 Rangf: Alaska to Greenland, south in the mountains to Arizona. Siberia. 

 Specimens examined: Olympic Mountains, Flett 805; Cascade Mountains, latitude 49°, 



Lyall in 1860; near Mount Baker, Flett 860; Mount Stuart, Brandegee 672; Elmer 1119; 

 Mount Adams, Flett 1353; Suksdorf \75; Loomis, Elmer 633. 



Zonal distribution: Arctic. 



This species appears in Suksdorf's list as "A. hiflora Wats, var.'' 



SPERGULA. 



1. Spergula arvensis L. Sp. PI. 1: 440. 1753. Spurrey 



Type locality: Europe. 

 Specimens examined: Pullman, Hardunck, July, 1895. 



TISSA. 



Maritime plants; leaves very fleshy. 



Perennial, large-rooted ; flowers large : 1. T. macrotheca. 



Annual, fibrous-rooted ; flowers smaller 2. T. marina. 



Not maritime ; leaves not fleshy. 



Stipules elongate, silvery 3. T rubra. 



Stipules short, deltoid 4. T. diandra bracteata. 



1. Tissa macrotheca (Hornem.) Britt. Bull. Torr. Club 16: 129. 1889. 

 Arenaria macrotlieca Hornem.; Cham. & Schlecht. Linnaea 1: 53. 1826. 

 Lepigonum macrothecum Fisch. & Mey. Ind. Sem. Hort. Petrop. 3: 14. 1835. nam. nud. 

 Type locality: "In sabulosis Californiae." 



Range: Washington to California. 



Specimens examined: Port Angeles, Piper 2302 in part; Stuart Island, Lawrence 138. 



Zonal distribution: Humid Transition. 



2. Tissa marina (L.) Britt. Bull. Torr. Club, 16: 126. 1889. 

 Arenaria rubra marina L. Sp. PI. 1 : 423. 1753. 

 Spergularia salina J. & C. Presl, FI. Cech. 95. 1819. 



Type locality: Europe. 



Range: Atlantic and Pacific coasts and alkaline places in the interior. 



Specimens examined: Clallam County, Elmer 2746; Whidby Island, Gardner 363; 

 Seattle, Pijoer, September 4, 1890; Howell372; Port Angeles, Piper 2302 in part; Whatcom 

 County, SuitscZor/ 954; 1874, 1872. 



Zonal distribution : Humid Transition. 



3. Tissa rubra (L.) Britt. Bull. Torr. Club 16: 127. 



Arenaria rubra L. Sp. PI. 1 : 423. 1753. 



Spergularia rubra J. & C. Presl, Fl. Cech. 94. 1819. 



Type locality: Europe. 



Range: British Columbia to California. Atlantic States. Europe. 



Specimens examined: Clallam County, Elmer 2745; Tacoma, Flett 179; Oakesdale, 

 Piper, July 19, 1894; Union Flat, Lake <& Hull, July 18, 1892; Waitsburg, Horner 112; 

 Newport, Kreager 452. 



Zonal distribution: Transition. 



