282 . Muhlenbergia, Volume 2 



The type, in my herbarium, is no. 8485, collected April 27, 

 back of xA-lum Rock Park, Santa Clara county, Califoinia, on 

 and about moss covered rocks in woods on a northerly slope, ele- 

 vation about 700 feet. 



One of the forms referred to C. arvense^ but taller, weaker 

 and greener than that species, with shorter broader sepals, and 

 according to the description and figure in the Illustrated Flora, 

 with narrower, not broadly notched petals. 



MoEHRiNGiA MACROPHYLLA (Hook.) Torr. U. S. Expl. Exped, 

 17: 246. 1874. 

 ' Arenaria macrophylla Hook, Fl. Bor. Am. 1: 102. pi. jj, 

 1830. 



No. 8520, collected May 10, near Smith Creek, Santa Clara 

 county, on the grade to the summit above Hall's valley, eleva- 

 tion about 2300 feet, growing in moist gravel along the roadside 

 on a northerly slope. These specimens have broader leaves and 

 more ovate, scarions margined calyx lobes than the plant figur- 

 ed in the Illustrated Flora. The type was collected by Douglas 

 in "North-West America, in shady woods." 



Sagina occidentalis Wats. Proc. Am. Acad. 10: 344. 1875. 



Alsinella occidentalis Greene, F'l. Fran. 125. 1891. 



No. 8502, collected May i, at Pacific Grove, Monterey 

 county, in moist sandy places in the pine woods back of the 

 town, abundant at one place in a cleared space. The type local- 

 ity is not given, but the type is Bolander, no. 3891, Watsoa 

 mentioning San Francisco as its southern limit, as does also 

 Greene. Jepson says "southward to southern California." 



Tissa marina (L.) Britton, Bull. Torr. Club, 16: 126. 1889. ■ 

 Tissa rubra var. marina L. Sp. PI. 423. 1753. 

 Spergularia salina Presl, Fl. Cech. 95. 181 9. 

 Buda marina Dumort. Fl. Belg. no. 1827. 

 Spergularia media Gray, Manual, Ed. 5, 95, 1867, 

 No. 8496, collected May i, at Pacific Grove, Monterey 



county, alongside the laboratory in a grassy place in sandy soil, 



