PIPER—-FLORA OF THE STATE OF WASHINGTON. 263 
10. Arenaria nuttallii Pax; Engler’s, Bot Jahrb. 18: 30. 1893. 
Arenaria pungens Nutt.; Torr. & Gr, Fl. 1: 179. 1838, not Clem. 1816. 
Type LocaLity: ‘‘Summit of hills in the Rocky Mountain range (lat. 41°).” 
Rance: 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. 
Tyee Loca.ity: “Auf der éstlichen Héhen des altaischen Gebirges,” Siberia. 
Range: Alaska to Greenland, south in the mountains to Arizona. Siberia. 
SPECIMENS EXAMINED: Olympic Mountains, Fett 805; Cascade Mountains, latitude 49°, 
Lyall in 1860; near Mount Baker, Flett 860; Mount Stuart, Brandegee 672; Elmer 1119; 
Mount Adams, Flett 1353; Suksdorf 175; Loomis, Elmer 623. 
ZONAL DISTRIBUTION: Arctic. 
This species appears in Suksdorf’s list as ‘A. biflora Wats. var.” 
SPERGULA. 
1. Spergula arvensis L. Sp. Pl. 1: 440. 1753. SPURREY 
Type Locatity: Europe. 
SPECIMENS EXAMINED: Pullman, Hardwick, 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 macrotheca Hornem.; Cham. & Schlecht. Linnaea 1: 53. 1826. 
Lepigonum macrothecum Fisch. & Mey. Ind. Sem. Hort. Petrop. 3: 14. 1835. nom. nud. 
Type LocaLity: ‘‘In sabulosis Californiae.” 
Rance: 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. Pl. 1: 423, 1753. 
Spergularia salina J. & C. Presl, Fl. Cech, 95. 1819. 
Type Loca.ity: Europe. ‘ 
Rance: Atlantic and Pacific coasts and alkaline places in the interior. 
SPECIMENS EXAMINED: Clallam County, Elmer 2746; Whidby Island, Gardner 363; 
Seattle, Piper, September 4, 1880; Howell 372; Port Angeles, Piper 2302 in part; Whatcom 
County, Suksdorf 954; 1874, 1872. , 
ZONAL DISTRIBUTION: Humid Transition. 
3. Tissa rubra (L.) Britt. Bull. Torr. Club 16: 127. 1889. 
Arenaria rubra L. Sp. Pl. 1: 423. 1758. 
Spergularia rubra J. & C. Presl, Fl. Cech. 94. 1819. 
Type LocaLiry: Europe. 
Rance: 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. 
