NOMENCLATORIAL NOTES ON.CERTAIN AM. PLANTS 133 
M. QUADRIVALVIS (R. Br.) - Arenaria quadrivalvis R. Br. 
M. ROSSII (Richards) Arenaria rossii Richards 
M. SAJANENSIS ( Willd.) Arenaria sajanensis Willd. 
M. TENELLA (Nutt.) Arenaria tenella Nutt. 
M. TEXANA (Robinson) 
Arenaria stricta var. texana Robinson 
M. UNIFLORA (Walt.) ° Stellaria uniflora Walt. 
ALSINE L. 
The type of the genus Alsine L., is Alsine segetalis L., a 
a species congeneric with the several species heretofore placed 
in Tissa, Buda, Spergularia or Lepigonium. The species of 
the Eastern United States are: | 
ALSINE MARITIMA Pall. Reise Russ. (3): 603. 1776 (Aren- 
aria rubra marina L.; Spergularia salina J. & C. Presl.; 
Alsine media Crantz, not L.; Tissa marina Britton.) 
ALSINE RUBRA (L.) Crantz, Instit. (2): 407. 1766. (Aren- 
aria rubra L.; Tissa rubra Britton). 
ALSINE MARGINATA (DC.) Reichenb. Fl. Germ. Excurs. 566. 
1832. (Arenaria marginata DC.; Lepigonium marinum 
Wahl.; Buda media Dumort.; Alsine marina Wahl.; Tissa 
marginata Heller; Spergularia alata Wiegand). 
ALSINE CANADENSIS (Pers.) House, comb. nov. 
Arenaria rubra, B, Michx. Fl]. Bor. Am. (1): 274. 1803. 
A. canadensis Pers. Syn. (1): 504. 1805. 
Tissa salina Britton, Torr. Club Bul. (16): 127. 1889 (as to deser., 
excel. synonymy). 
Buda borealis S. Wats. in Gray, Man. Ed. 6, 90. 1890. 
Spergularia borealis Robinson, in Gray, Syn. Fl. (1): 252. 1897. 
A species of the northern shores of eastern America, which 
appears to reach its southern limit of distribution on the 
shore of Shelter Island, opposite Greenport, N. Y., where 
collected by Peck in 1871. 
The following species of this group have been described 
from or reported from western America. 
ALSINE CLEVELANDI (Greene) Tissa clevelandi Greene 
ALSINE DIANDRA (Guss.) Arenaria diandra Guss. Aren- 
aria salsuginea Bunge: Tissa diandra Britton 
ALSINE TENUIS (Greene) Lepigoniwm tenue Greene; Tissa 
tenuis Greene; Spergularia tenuis Robinson 
