286 
found in abundance, growing in 2-6 inches of water at Linn Lake, 
Chisago county, Minn. (B. C. Taylor, Aug., 1892). 
Bartonia Virginica (Linn.) B. S. P. Prel.-Cat. N.Y. (1888). 
Not previously reported from Minnesota. Found growing 
among moss in a peat-bog near Zumbrota, Goodhue county, Minn. 
(C. A. Ballard, Aug., 1892). 
Collomia linearis, Nutt. Gen. i. 126 (1818). 
Abundant on the shores of Mille Lacs Lake, Aitkin and Mille 
Lacs counties, Minn. (E. P.S., Aug., 1892). Plants collected by 
Dr.J. H.Sandberg, near Red Wing, Goodhue county, Minn. (Aug., 
1885) and referred by him to this species are a large-leaved, bushy 
form. These two Eastern Minnesota collections represent, so far 
as is known, the only Minnesota localities of this western and 
northern species. 
Solidago ulmifolia, Muhl. in Willd. Sp. Pl. iii. 2060 (1804). 
Heretofore the only Minnesota collections of this plant have 
been made along the southeastern border of the State. It is 
abundant by roadsides and borders of woods near Lakes Lida and 
Pelican, Otter Tail county, Minn. (E. P. S., Aug., 1892). 
Aster laterifforus (Linn.) Britt. var. THyrsorpEus (A. Gray). A. 
diffusus, Ait., var. thyrsoideus, A. Gray, Syn. FI. i. II. 187 (1888). 
Not previously reported from Minnesota. This plant prefers 
sandy edges of woods. It-is abundant near Lakes Belmont and 
Eagle, in the Leaf Hill district of Otter Tail county, Minn. (E. P. 
S., Aug., 1892). 
ASTER INCANOPILOsUS (Lindl.). 
A. ramulosus, Lindl. var. incanopilosus, ee in DC. Prodr. v. 
243 (1836). 
A. multiflorus, Ait. var. commutatus, T. and G. FI. ii. £24 (1841) 
A. commutatus, A. Gray, Syn. F). i. ii. 185 (1888). 
Not previously reported from Minnesota. This large-capitate 
species of the section Squarrosa is common on the dry prairie nile 
of Otter Tail county, Minn. (E. P. S., Aug., 1892). 
Xanthium Canadense, Mill. var. echinatum (Murt.) A. Gray, Sy! 4 
Fl. i. II. 252 (1888). ; 
This plant is common on the sandy shores of the lakes of Min- : 
nesota. Typical specimens of LX. yori gah! Mill., prefer cic - 
sides, fields and other open places. on 
