738 BORAGINACEAE 



above, more hirsute beneath; corolla 10-12 mm. long; nutlets 3 mm. long. Hills, 

 mountain sides, canons: Wyo. N.M. Ariz. Utah; Mex. Submont. Mont. 

 My-Jl. 



6. L. Gmelini (Michx.) Hitchc. Stem hispid, 3-6 dm. high; leaves lanceo- 

 late, or oblong, hispid, 4-8 cm. long; corolla 15-20 mm. long; limb 15-20 mm. 

 wide; nutlets 4 mm. long. L. hirtum Lehm. Sandy places, dry plains, and 

 open woods: N.Y. Fla. N.M. Mont. Plain Submont. Ap-Jl. 



7. L. canescens (Michx.) Lehm. Stem 2-4 dm. high, hirsute or pilose; 

 leaves oblong to linear, 1-4 cm. long, canescent-strigose; corolla 10-12 mm. long; 

 limb about 1 cm. wide; nutlets 3 mm. long. Plains and prairies: Ont. Ala. 

 Tex. Colo. Sask. Plain. Ap-Jl. 



8. L. asperum A. Nels. Stems 1.5-3 dm. high, hirsute, with white divari- 

 cate hairs; leaves oblong to linear, 2-4 cm. long, rough-hirsute; corolla 2-3 cm. 

 long; limb 1-1. 5 cm. broad; lobes crenulate-erose. L. ciliolatum Greene. Sand- 

 stone slopes: Wyo. Submont. Je. 



9. L. linearifolium Goldie. Stems strict, 1-5 dm. high, canescent-strigose; 

 leaves all linear, 1-5 cm. long, strigose; corolla of the earlier flowers 2.5-3 cm. 

 long; limb 10-18 mm. wide, erose-fimbriate; cleistogamous flowers 1 cm. long or 

 less; nutlets more or less pitted. L. angustifolium Michx. Dry soil: Man. 

 Ill Tex. Ariz. B.C. Plain Submont. Ap-Jl. 



10. L. oblongum Greene. Stems numerous, 1-2 dm. high, strigose; leaves 

 short, 2-3 cm. long, strigose; corolla of the early flowers about 3 cm. long; limb 

 about 1 cm. wide; nutlets pitted along the margins. Dry plains: N.M. Wyo. 

 Son. Plain. Ap-Je. 



11. L. mandanese Spreng. Stems many, 1-2 dm. high; leaves linear, 3-4 

 cm. long, mostly strigose; corolla of the early flowers 1.5-2 cm. long; nutlets 

 sparingly pitted. Dry plains: N.D. Tex. Ariz. Alta. Plain Submont. 

 Ap-Je. 



12. L. breviflorum Engelm. & Gray. Stems several, erect, 2-4 dm. high, 

 finely strigose; leaves narrowly linear, 3-5 cm. long, ascending; corollas of the 

 early flowers 1 cm. long or less, deep yellow; nutlets scarcely pitted except near 

 the margins. L. albicans Greene. Dry plains: Ark. Tex. N.M. Colo. 

 Son. My-Je. 



17. ONOSMODIUM Michx. FALSE GROMWELL. 



Coarse perennial caulescent herbs. Leaves alternate, entire, usually broad, 

 strongly nerved, pubescent. Flowers perfect, regular, in terminal scorpioid 

 racemes or spikes. Calyx persistent, with 5 narrow lobes. Corolla tubular, 

 yellow, white, or greenish; tube elongate; throat without appendages; lobes erect. 

 Stamens included; anthers often sessile. Nutlets white, shiny, smooth or spar- 

 ingly pitted, attached by their very base to the flat receptacle, often only one or 

 two maturing. 



1. O. occidentale Mackenzie. Stem 3-6 dm. (rarely 6-12 dm.) high, branched 

 above, white-hispid; leaves about 5 cm. long, prominently 5-7-ribbed, coarsely 

 hirsute-strigose; corolla 12-20 mm. long, canescent, its lobes broadly triangular, 

 acute, 3-4 mm. long; nutlets 3.5-4 mm. long, ovoid, not constricted at the base, 

 dull, little if at all pitted. Plains and prairies: Man. 111. Mo. Tex. N.M. 

 Utah Alta. Plain Submont. 



18. ANCHUSA L. ALKANET. 



Annual or perennial herbs, with hispid or villous foliage. Flowers bracteate, 

 in scorpioid cymes. Calyx 5-cleft. Corolla blue or purple; tube straight; 

 throat closed by fornices or hairs. Nutlets rugose or granulate, inserted by a 

 broad concave base on the flat receptacle. 



1. A. officinalis L. Perennial, with a taproot; stem hispid, 3-8 dm. high; 

 basal leaves oblanceolate, 1-2 dm. long, very hispid; stem-leaves lanceolate; 

 corolla dark blue, fully 1 cm. long. Waste places and roadsides: N.Y. Utah; 

 sparingly introduced from Eu. Plain Submont. Jl-S. 



