LILY FAMILY. 421 
3. Erythronium mesachoreum 
Knerr. Midland Adder’s- 
tongue. (Fig. ror4.) 
Eryihronium mesachoreum Knerr, Midland 
College Monthly, 2:5. 1891. 
Corm ovoid, 10’’ high or less, not de- 
veloping offshoots, the new corms formed 
at or within the base of the old one. 
Leaves narrowly oblong or linear-oblong, 
not mottled, 4’-10’ long, \%’-1’ wide, 
somewhat folded; flower lavender tinted, 
1/-2’ long; perianth-segments not re- 
curved, sometimes a little spreading; style 
slender; stigmas recurved; capsule ob- 
ovoid, larger than that of &. albidum, 
34/-134/ high. 
On prairies, Iowa to Missouri, Nebraska 
and Kansas. Blooms before 2. albidum 
when the two grow in proximity. The flow- 
ering plants are said to appear before the 
1-leaved flowerless ones. 
4. Erythronium proptllans A. 
Gray. Minnesota Adder’s- 
tongue. (Fig. 1015.) 
Erythronium propullans A. Gray, Am. Nat. 
298. pl. 74. 1871. 
Corm ovoid, 10’ high or less, not develop- 
ing offshoots. Stem ascending, 6/-8’ long, 
bearing a fleshy curved offshoot 1/2’ long 
from a slit near the base of the petiole- 
sheath; leaves oblong, acute, 2’-4’ long, 
slightly mottled or green; flower rose or 
pink, about 14’ long, borne on a filiform 
peduncle shorter than the leaves, perianth- 
segments with a yellow base, apparently not 
recurved, none of them auricled; stigmas 
mere ridges. 
In rich woods, Minnesota. Also in southern 
Ontario (according to Macoun). May. 
Q. CALOCHORTUS Pursh, Fl. Am. Sept. 240. 1814. 
Branched or simple herbs, with coated corms, narrowly linear leaves and large showy 
peduncled flowers, erect in the following species. Perianth-segments separate, spreading or 
connivent, yellow, blue, purple, white or variegated; the 3 outer sepal-like, narrow; the 3 
inner petaloid, gland-bearing, and barbed or spotted within, sometimes with a nectar-pit 
near the base. Stamens 6, hypogynous; filaments short, subulate; anthers erect, linear or 
oblong. Ovary 3-celled; ovules numerous; style very short or none; stigmas 3, recurved. 
Capsule oblong or linear, 3-angled, mostly septicidal, the valves sometimes 2-cleft. Seeds 
flat. [Greek, signifying beautiful herb. ] 
About 35 species, natives of western North America and Mexico. 
Anthers obtuse; gland of inner perianth-segments orbicular or oval. 1. C. Nutlalliz. 
Anthers acute; gland transverse, curved or reniform. 2. C. Gunnisont, 
