150 
the European form of that species, in being perfectly smooth. My specimens are all 
small, only 1 dm. or less in length, rooting in the mud, and with rounded leailets, 
sinuately 3-lobed at the apex. New to Nebraska (No. 1720). 
Arabis glabra (L.) Bernh. Syst. Verz, Erf. 195 (1800); Turritis glabra L. Sp. Pl. 
ii, 666 (1753); Arabis perfoliata Lam. Encyel. i, 219 (1783), 
This plant was found only at Plummer Ford, July 6 (No. 1508). 
Arabis hirsuta (L.) Scop. Fl. Carn. ed. 2, ii, 30 (1772); Turritis hirsuta L. Sp. PI. 
ii, 666 (1753). 
Only one specimen was collected: Norway, June 22 (No. 1405), 
Draba caroliniana micrantha (Nutt.) Gray, Man, ed. 5, 72 (1867); Draba micrantha 
Nutt.; Torr. & Gr. Fl. i, 109 (1838), 
Rare; Thedford, June 15 (No. 1837). 
Erysimum cheiranthoides L. Sp. P1. ii, 661 (1753). 
Not common; only a few specimens were secured. Plummer lord, July 3; Forks 
of Dismal River, July 11 (No. 1454). 
Lesquerella argentea (Pursh) MacMillan, Metasp. Minn. Val. 203 (1892); Wyag- 
rum argenteum Pursh, F'1. ii, 434 (1814), 
Collected on the railroad embankment near Thedford, June 14 and 17 (No, 1281). 
Lepidium intermedium Gray, Pl. Wright. ii, 15 (1852); ZL. incisum Roth, Neue 
Beitr. i, 224 (1802). 
Thedford, June 15; Plummer Ford, July 4 (No. 1304). 
Raphanus sativus L. Sp. P1. ii, 669 (1753). 
Escaped: near Thedford, August 26 (No. 1729). 
CAPPARIDACES. 
Cleome serrulata Pursh, Fl. ii, 441 (1814). 
Found only along the railroad embankment cast of Mullen, July 20 (No, 1587). 
Cristatella jamesii Torr. & Gr. Fl. i, 124 (1838), 
In the sand hills, south of East Cody’s Lake, August 9; Thedford, August 26; 
Natick, September 11 (No. 1664), 
VIOLACE A. 
Viola obliqua Hill, Hort. Kew. 316, t.12 (1769); Viola palmata obliqua Hitchcock, 
Trans. St. Louis Acad. v, 487 (1891). 
Only one plant collected on the banks of Middle Loup River, Thedford, June 16 
(No. 1386), 
CARYOPHYLLACES. 
Silene antirrhina L. Sp. Pl. i, 419 (1753). 
Thedford, June 17; Dismal River, June 29 (No. 1349). 
Lychnis drummondii (Hook.) Wats. Bot. King Sury.37 (1871); Silene drummondii 
Hook. Fl. Bor. Amer. i, 89 (1830), 
Hillside, near Plummer Ford, July 3 (No. 1471). 
Alsine longifolia (Muhl.) Britton, Mem. Torr. Club, v, 150 (1894); Stellaria longi- 
folia Muhl.; Willd. Enum. 479 (1809), 
Spergulastrum gramineum' is the oldest name, but «1. graminea is not available. as 
it is used for a European species. Very common in wet valleys; Thedford, June 15, 
16; Plummer Ford, July 8 (No, 1295), 
IMx. FL. i, 276 (1803). 
