151 
AIZOACES. 
Mollugo verticillata L. Sp. Pl. i, 89 (1753). 
On the railroad embankment west of Mullen, September 15 (No. 1773). 
PORTULACACES. 
Portulaca oleracea L. Sp. Pl. i, 445 (1753). 
This is a common weed in eastern Nebraska, but here grows very sparingly in 
fields. Forks of Dismal River, July 11; Mullen, July 17 (No. 1566). 
Talinum teretifolium Pursh, Fl. i, 365 (1814). 
My specimens are small, with flowers scarcely larger than those of 7. parviflorum. 
Sand hills, Thedford, September 8 (No. 1732). 
HYPERICACEZSX. 
Hypericum canadense L. Sp. PI. ii, 7&5 (1753). 
In wet meadows; Cody’s Lakes, August 9; South Dismal River, August 11 (No. 
1656). 
Hypericum canadense majus Gray, Man. ed. 5, 86 (1867). 
Gray wrote the varietal name major, which form has been used by botanists nearly 
without an exception. Some hold this as a species distinct from H. canadense, but it 
often grows together with the species and grades into it. South Dismal River, 
August 11 (No. 1826). 
Elodes virginica (L.) Nutt. Gen. ii, 17 (1818); Hypericum virginicum L, Sp. Pi. ed. 
2, ii, 1104 (1763). 
In wet valleys, but not common: Thedford, August 9; Natick, September 11 (No. 
1703). 
POLYGALACE. 
Polygala verticillata L. Sp. Pl. ii, 706 (1753). 
Near the railroad, west of Mullen, July 24. No specimens in my collection. 
MALVACES. 
Malvastrum coccineum (Nutt.) Gray, Mem. Amer. Acad. iv, 21 (1848); Malvra 
coccinea Nutt., Fraser’s Cat. (1813). 
Sand hills near Thedford, June 14 (No. 1357). 
LINACES. 
Linum rigidum Pursh, Fl. i, 210 (1814). 
The most common form of this species in Nebraska is about 3 or 4 dm. high with 
several slender stems from a perennial caudex, and having the leaves distant. This 
was collected near Thedford, June 19, and on Dismal River, June 26 (No. 1361). 
T collected also another form about 1.5 dm. high with a single stout, much-branched 
stem, the branches forming a nearly flat top. The internodes were about one-half 
the length of the leaves. Railroad embankment, Thedford, June 14; Mullen, July 
20 (No, 1255). 
OXALIDACES. 
aye 
Oxalis stricta L. Sn. Pl. i, 485 (1753). 
River banks: Thedford, June 17; Dismal River, June 29 (No. 1548). 
BALSAMINACES. 
Impatiens biflora Walt. Fl. Car. 219 (1788). 
In swampy places near South Dismal River, August 12 (No, 1681). 
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