1917] St. John,— Arenaria lateriflora and its Varieties 261 
grassy strand of Ingornachoix Bay, August 2, 1910, M. L. Fernald & 
K. M. Wiegand, no. 3,346. Quesec: wet thicket, Brion Island, 
Magdalen Islands, August 5, 1914, Harold St. John, no. 1,869. PRINCE 
Epwarp Isand: sandy thickets, Morell, June 29, 1914, M. L. Fer- 
nald & Harold St. John, no. 11,051. New Brunswick: alder thicket, 
Shediac Cape, July 3, 1914, F. T. Hubbard. Nova Scotia: damp 
thicket, near Pictou, July 12-18, 1901, C. D. Howe & W. F. Lang, 
no. 461. Marne: moist field, Roque Bluffs, July 8, 1907, C. H. 
Knowlton. New Hampsuire: Isle of Shoals, Oakes & Robbins. 
Vermont: Rutland, W. W. Eggleston, no. 1,073. MASSACHUSETTS: 
low ground, Eastern Point, Gloucester, June 7, 1896, E. L. Rand & 
B. L. Robinson. Roper Istanp: low grounds near beach, Westerly, 
June 7, 1913, R. W. Woodward. CoNNEcTICUT: moist woods, Guil- 
ford, June 17, 1906, G. H. Bartlett. New York: on mounds in sandy 
pasture, south side of Oneida Lake, Lenox, June 6, 1900, J. V. Haberer, 
no. 120. PENNSYLVANIA: swamp near Lancaster, June 1, 1860, 
T. C. Porter. Ontario: Kingston, June 14, 1902, J. Fowler. Mucxi- 
GAN: Dickinson’s Island in Lake St. Clair, Port Huron, June 18, 
1899, C. K. Dodge. Onto: Port Clinton, May 16, 1898, E. L. Moseley. 
Iuurno!is: cliffs and open woods, Starved Rock, June 1-7, 1909, 
J. M. Greenman, O. E. Lansing, Jr., & R. A. Dixon. MANITOBA: 
Churchill, Hudson Bay, August 5, 1910, J. M. Macoun, C. G. S., 
no. 79,086. Minnesota: Twin Lake, May 1891, E. P. Sheldon. 
Norta Dakota: dry ground, Portal, June 13, 1903, M. A. Barber, 
no. 348. Sours Dakota: Elk Canon, altitude 4,000-5,000 feet, 
June 29, 1892, P. A. Rydberg, no. 568. SASKATCHEWAN: 1858, E. 
Bourgeau, no. 14. ALBERTA: dry prairie, Calgary, June 19, 1903, 
M. A. Barber, no. 224. Monrana: Big Fork, July 22, 1908, Mrs. 
Joseph Clemens. Ipamo: frequent on dry soil, head of Little Pot- 
latch River, June 16, 1892, J. H. Sandberg, D. T. MacDougal, & A. A. 
Heller, no. 399. Wyomine: aspen copses on the hillsides, Glen 
Creek, Yellowstone Park, June 30, 1899, A. & E. Nelson, no. 5,588. 
Uram: wet canyon bottom, Pine Flats, July 11, 1912, E. P. Walker, 
no. 239. New Mexico: Rio Pecos, below Winsor’s Ranch, altitude 
8,200 feet, July 1, 1908, P. C. Standley, no. 4,163. WASHINGTON: 
near Rock Lake, altitude 550 m., May 30, 1893, J. H. Sandberg & 
J. B. Leiberg, no. 123. British Cotumpta: Avalanche Path, Emer- 
ald Lake, Selkirk Mountains, altitude 4,400 feet, C. F. Shaw, no. 92. 
YuxKon: common in shady places, Dawson, June 7, 1914, Alice East- 
wood, no. 160a. ALasKA: Unalaska, Eschscholtz. 
2. A. LATERIFLORA L., var. GLABRESCENS (Regel) Robinson, in 
Synopt. Fl. i. part 1. 238 (1897). Méhringia lateriflora (L.) Fenzl, 
y glabrescens Regel, Fl. Ostsibirien i., Bull. Soc. Nat. Mose. xxxv. 
378 (1862).— Resembling the var. typica in the shape of the leaves, 
but differing in having them glabrate or glabrous, and often thinner 
and brighter green.— Apparently this variety is commoner in north- 
ern Asia than it is in North America. Only two collections of it from 
this continent have been seen by the author. 
