22 Trans, Acad. Sci. of St. Louis. - 
72. HYPERICACE. 
181. HYPERICUM L. St. John’s-wort. 
296. H. CANADENSE L. Common in low grounds. Thedford, July 14 
(Webber). Ashland (Williams). H. mutilum L. of Swezey’s 
Nebr. F!. Plants p. 5, is probably to be referred here. 
297. H. CANADENSE L. var. Masus Gray. Wet Meadows. Saunders 
Co., June reciagee Lowell, July 11 (Webber). 
298. H. VIRGINICUM (Elodes res Nutt, and EF. campanulata 
Pursh). Saisie Co. (Webber). 
73. GERANIACE. 
182. ERODIUM L’ Her. Sterksbill. 
299, E. clcuTaRtum (L.) L’Her. Alfilaria, Lincoln. Along sidewalks, 
- probably introduced in hay. Adventive from Europe (Williams). 
74. LINACEZ. 
183. LINUM L. Flax. ° 
300. L. RIGiDUM Pursh. Prairie flax. Very common on the prairies 
of central and western Nebraska. Superior, Brewster, Long Pine, 
Lewellen (Swezey); Deuel Co., July (Rydberg); Thedford, July 
14; Anselmo, July; Broken Bow, July; Belmont, Aug. (Webber). 
A form collected at Hat Creek Basin Aug. 2, Prof. Trelease 
notes as having the habit of var. puberulum Engelm. 
301. L. USITATISSIMUM L. Cultivated Flax. 
Broken Bow, July (Webber). - 
. 
Escaped to low prairies. 
75. - SAPINDACE.#%., 
184. ZESCULUS L. Horse-chestnut, Buckeye. 
302. A. GLABRA Willd.. Richardson and Pawnee counties (Bessey)- 
76. EUPHORBIACE®. 
185. EUPHORBIA L. Spurge. 
303. E. CUPHOSPERMA (Engelm.) Boiss. A few specimens collected 
Aug., 1890, in a cafion running north from Lawrence Fork, Banner 
Co. 
Leaves lance linear, entire or with a few teeth on the rev- 
olute margin. ds short, triangular, truncate at the base, 
nkled and tuberculate, with a minute caruncle. Belongs to the 
E, heterophylla group (Rydberg). 
304. E. FENDLERI Torr. & Gr. ‘ Sand draw,” Cheyenne Co., Aug 
punctate. e i n Pacific R. R. Rep. it reads — c 
“a little ragose ragose transversely,” which agrees with Nebraska — 
—- (Rydberg). : es ee ) 
