50 Contributions from the Gray Herbarium 
SASKATCHEWAN: 1858, E. Bourgeau (Gr.). AsstntBora: Medi- 
cine Hat, June 2, 1894, Macoun, no. 5803 (N. Y.). Montana: 
Virginia City, June 25-30, G. N. Allen (N. Y.); Melrose, July 6 
1895, C. L. Shear, no. 3218 (N. Y.). Wyomrne: Pole Creek, Al- 
bany County, June 28, 1895, Aven Nelson, no. 1335 (N. Y.); Powder 
River, Natrona County, June 27, 1910, Aven Nelson, nos. 9415, 
9377a (Gr.); open woods near the river, Fort Steele, Carbon 
County, June 16, 1907, Aven Nelson, no. 9049 (Gr.); Laramie, 
Albany County, July 7, 1894, & June 12, 1900, Aven Nelson, nos. 
412, 7280 Gee Natrona County, July 5 & 10, 1901, Goodding, 
nos. 197 & 234 (Gr.). CoLorapo: mountain sides near George- 
town, August, 1885, H. N. Patterson ie ); Walsenburg, June 5, 
1900, Rydberg & Vreeland, no. 5699 (N. Y.); Platte River, Evans, 
May 30, 1910, E. L. Johnston, no. 628 (N. Y.). Uran: deep sand, 
Ogden, June 23, 1902, Goodding, no. 1176 (Gr.). 
Erirricnium. Mr. F. W. Wight in his treatment of the Ameri- 
can species of this genus, Bull. Torr. Club xxix. 407 (1902), fails to 
indicate clearly the relationship of our plants to those of Asia and 
Europe, although he states that there has been ‘“‘ much misappre- 
hension, in regard to some of them, at least.”” It may be noted that 
the only constant difference between the European plant, EZ. nanum 
(All.) Schrad. and E. elongatum (Rydb.) Wight, its American repre- 
sentative, concerns the fruit. The nutlets of the European plant 
have a distinct spreading border or flange (whether entire or 
toothed); this is lacking in ours, the edges of the dorsal face being 
slightly elevated as a rather sharp ridge, — or in some species the 
edges bear a row of teeth. I have seen no indication in our plants 
that the presence or the absence of these teeth is not a constant, and 
therefore a good specific, character. E. elongatum and E. argenteum 
Wight include most of the material referred to E. nanum, var. 
aretioides by Gray, Syn. FI. ii. pt. 1, 190 (1886). I am unable to 
see that E. Chamissonis A. DC. is distinct from true E. aretioides 
(Cham.) A. DC. The vegetative characters that Mr. Wight relies 
upon to separate them break down completely in any considerable 
series of specimens. The real relationship of E. aretioides is wit 
E. villosum (Ledeb.) Bunge of Siberia. That species has very 
similar fruits; and it agrees with all the American species in lack- 
ing the boiled to the nutlet which characterizes the European 
plant, E. nanum. 
¥ Amsinckia tccan a spec. nov., planta ut apud A. tessellatam 
sed corolla infundibuliformi 15-18 mm. longa, tubo calyce 2-3-plo 
