LILY FAMILY. 



Erythronium mesachoreum 

 Knerr. Midland Adder' s- 

 tongue. (Fig. 1014.) 



':> \-tlironinm mesachoreum Knerr, Midland 

 College Monthly, 2: 5. 1891. 



Conn 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 / -io / long, X'-i' wide, 



omewhat folded; flower lavender tinted, 

 i'-2' long; perianth-segments not re- 



nrved, sometimes a little spreading; style 

 .lender; stigmas recurved; capsule ob- 



void, larger than that of E. albidnm 



' high. 



On prairies, Iowa to Missouri, Nebraska 

 nd Kansas. Blooms before E. albidnm 

 vhen the two grow in proximity. The flow- 

 Ting plants are said to appear before the 

 i -leaved flowerless ones. 



4*1 



4. Erythronium propullans A 



Gray. Minnesota Adder' s- 



tongue. (Fig. 1015.) 



>;>niHm fimfmllans A. Gray. Am. Nat 



PI- 74- 1871. 



Conn ovoid, 10" high or lesa, not develop- 

 ing offshoots. Stem ascending, 6'-8' long. 

 bearing a fleshy curved offshoot i '- j' loag 

 from a slit near the base of the petiole- 

 sheath; leaves oblong, acute. :'-+' loag. 

 slightly mottled or green; flower rose or 

 pink, about %' long, borne on filiform 

 peduncle shorter than the leaves, perianth- 

 segments with a yellow base, apparently not 

 recurved, none of them auriclcd; stigma* 

 mere ridges. 



In rich woods, Minnesota. AUo in 

 Ontario (according to Macoun >. May. 



CALOCHORTUS Pursh, Fl. Am. Sept. 240. 



Branched or simple herbs, with coated corms, narrowly linear leaves and large howy 

 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: 

 iuuer 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. letunred. 

 Capsule oblong or linear, 3-angled, mostly septicidal, the valves sometimes a-cleft. Seed* 

 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. 

 Anthers acute; gland transverse, curved or reniform. 



