256 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



AOBOSTEMMA. 



1. AgTostemma githago L. Sp. Pi. 1: 435. 1753. Cockle. 



Type locality: Euro{>oaii. 

 Specimens e.xamined: Ellonsbuq!;, WhUed 693; Pullman, Piper, July, 1894. 



SAPONARIA. 



1. Saponaria officinalis L. Sp. Pi. 1: 408. 1753. 

 TiPE locality: European. 

 Specimens examined: Union Gap, Cotton 428. 



VACCARIA. 



1. Vaccaria vaccaria (L.) Britton in Britt. & Br. 111. Fl. 2: 18. 1897. Cow cockle. 



Saponaria ixwcaria L. Sp. PI. 1 : 409. 1753. 



TiPE locality: "Habitat inter segetes Galliae, Gennaniae." 



Specimens examined: Rock Island, Sandberg cfe I^iherg 461; Waitsburg, Homer 395; 

 Wawawai, Ixike dk Hull 490; Pullman, Piper 1706; Meyers Falls, Kreager 498. 



Very common and troublesome in grain fields. 



CERASTIUM. 

 Petals not longer than the .sepals. 



Pedicels longer than the calyx 1. C. mdgatum. 



Pedicels not longer than the calyx 2. C. viscosum. 



Petals decidedly longer than the sepals. 



Annual ; viscid pubescent ; pods nodding 3. 0. nutans. 



Perennial ; pulx-scent ; pods erect 4. C. arvense. 



1. Cerastimn vxilgatum L. Sp. PI. ed. 2. 1: 627. 1762. 



Type locality: "Habitat in Scaniae & Europae australioris pratis, areis." 

 Specimens examined: Spokane, Sandberg tfe Leiberg 40; Seattle, Piper. 



2. Cerastium viscosum L. Sp. PI. 1: 437. 1753. 

 TiPE locality: European. 



Specimens examined: Whidby Island, Gardner 39; upper Nisqually Valley, Allen 112; 

 Waitsburg, Homer 129; Seattle, Piper. 



3. Cerastium nutans Raf. Prec. Decouv. 36. 1814. 

 Cerastium longepedunculatum Muhl. Cat. 46. 1813, nom. nud. 

 Type locality: "En Pennsylvanie." 



Range: British Columbia to Nova Scotia, south to New Mexico and North Carolina. 

 Specimens examined: Wenache, Whited 47, 1016; Pend Oreille River, LyaU in 1861. 



4. Cerastium arvense L. Sp. PI. 1 : 438. 1753. 

 Cerastium elongaium Pursh, Fl. 1 : 321. 1814. 



Type locality: "Habitat in Scania australiori Europa." 



Range: North temperate zone in America, Asia, and Europe. 



Specimens examined: Clallam County, Elmer 2749*; Olympic Mountains, Flett 87*, 

 808*; Humptulips, Lamb 1174; Goat Mountains, Allen 237*; Mount Adams, Flett 1060; 

 Seattle, 5mi<A, April, 1889; Cascade Mountains, latitude 49°, Lyall in 1859; Olympia, Hen- 

 derson, March, 1892; Skokomish Valley, Kincaid, June, 1892; without locality, Vasey in 

 1889; Pullman, Moore, May, 1893; Elmer 177; Hull, May, 1892. 



Zonal distribution : Transition to Arctic. 



The specimens marked (*) are high alpine forms which approach C. alpinum behrrin- 

 gianum (Cham. & Schlecht.) Regel. Flett's 808 was listed as C. alpinum L. by Wiegand.a 



a Bull. Torr. Club 24: 343. 1897. 



