112 Order POLEMONIALES 
1. Oreocarya suffruticosa (Torr.) Greene. White Forget-me-not. 
Common in dry soil in the western part of the state. Banner 
county; Belmont; Box Butte county; Deuel county; Hat Creek basin; 
Plummer Ford; Sioux county. 
2. Oreocarya hispidissima (Torr.) Gray. 
Nebraska, according to Rydberg’s Flora of Colorado. 
3. Oreocarya thyrsiflora Greene. 
On sandy hillsides in western Nebraska, according to Rydberg’s 
Flora of Colorado. 
4. Oreocarya glomerata (Pursh) Greene. 
A xerophyte of the table-lands and foot-hills of the western part of 
the state. Belmont; Deuel county; Scotts Bluff county; War Bonnet 
canyon. 
5. Oreocarya sericea (A. Gray) Greene. 
In dry soil in the western part of the state. Alliance; Deuel county; 
Kimball county. 
6. Oreocarya fulvocanescens (A. Gray) Greene. 
In canyons in the Hat Creek basin. War Bonnet canyon. 
7. Mertensia. 771. 
Flowers about 2.5 cm. long, corolla limb barely 5-lobed. 1. M. virginica. 
Flowers less than 1.5 cm. long, corolla manifestly 5-lobed. 
Pedicels distinctly hirsute. 2. M. paniculata. 
Pedicels glabrous or glandular. 3. M. lanceolata. 
1. Mertensia virginica (L.) DC. 
Rare in shady woods. Culbertson. 
2. Mertensia paniculata (Ait.) G. Don. Tall Lungwort. 
Reported from Sheridan county. 
3. Mertensia lanceolata (Pursh) DC. 
Woods in War Bonnet canyon. 
8. Lithospermum. 773. 
eels lobes entire, the tube not more than twice as long as the 
calyx. 
Flowers white, 6 mm. long; nutlets wrinkled or pitted, 2 mm. long. 
1. L. arvense. 
ene yellow, 1 cm. or more long; nutlets smooth, white, 4 mm. 
ong. 
Flowers peduncled, corolla tube bearded at the base inside, calyx 
3—4 times as long as the nutlets. 2. L. carolinense. 
Flowers sessile, corolla tube not bearded at the base inside, calyx 
twice as long as the nutlets. . 938. L. canescens. 
Corolla lobes erose-dentate, the tube 2—4 times as long as the calyx. 
4. L. linearifolium. 
1. Lithospermum arvense L. Gromwell. 
Sparingly introduced, mostly in the eastern part of the state. Lin- 
coln; Long Pine; St. Paul. 
2. Lithospermum carolinense (Walt.) MacM. Hairy Puccoon. 
Lithospermum gmelini (Michx.) Hitch. 
Common in the prairies over most of the state. Anselmo; Antelope; 
county; Fremont; Grand Island; Sheridan county; Thedford; Weigand. 
