Cerastium arvense L.

VEGETATION SURVEY ALONG
THE ENTERPRISE-MACKENZIE
RIVER HIGHWAY, N. W. T.,
CANADA
CHICAGO NATURAL HISTORY MUSEUM
July 2
John W. Thieret
1959 Robert J. Reich
1*933» Ceraatium arrense L*
calyx os* E mm. long, petals ca* 9 ram. long
frequent in shallow residual soil 2-5 Inches deep
over limestone in limestone outcrop area, mile 28-1/2»
scattered jack pine and white spruce, soas trembling
aspen* ground cover plants mainly lichens, Juniperus
horizontalis, Arctostaphylos uva-ursi, Saxifraga
tricuspidata. shrubsi Juniperus communis, Potentilla,
Rosa, Shepherdia*
specimens prepared by the formaldehyde method (see Rhodora 49: 54-60. 1947)
03161178