ss 



BORAGINACEAE. 



Vol. III. 



2. Lithospermum officinale L. Cromwell. 



Fig- 353<J- 

 Lithospermum officinale L. Sp. PI. 132. 1753. 



Perennial, finely puberulent ; stern usually much 

 branched, 2-4 higli. leafy. Leaves lanceolate or 

 oblong-lanceolate, acute at the apex, narrowed at 

 the base, few-veined, sessile, 1J-4' long, 3"-u" 

 wide, the upper surface rough, the lower pubes- 

 cent; flowers yellowish-white, about 2" long, ses- 

 sile; calyx-segments linear-lanceolate, about equal- 

 ling the corolla-tube; corolla funnelform, crested 

 in the throat; style about as long as the stamens; 

 nutlets, when mature, white, smooth, shining, 

 about ii" high, ovoid, obtuse, more than one-half 

 as long as the calyx-segments, seldom all ripening. 



In fields and waste places, Quebec to southern New 

 York, New Jersey and Minnesota. Plant grayish. 

 Naturalized from Europe. Native also of Asia. 

 Graymile. Littlewale. Pearl-plant. May-Aug. 



3. Lithospermum latifolium Michx. 

 American Cromwell. Fig. 3537. 



Lithospermum latifolium Michx. Fl. Bor. Am. 1: 131. 

 1803. 



Perennial, rough-puberulent ; stem branched, 

 2-3 high, the branches long and slender. Leaves 

 ovate or ovate-lanceolate, acuminate at the apex, 

 pinnately veined, 2-5' long, i'-2' wide, or the 

 uppermost smaller, the lowest obtuse; flowers 

 yellowish white or pale yellow, 2" 3" long, few, 

 solitary, distant; calyx-segments linear-lanceo- 

 late, about as long as the corolla or a little 

 longer; corolla funnelform, crested in the throat; 

 style shorter than the stamens; nutlets white, 

 shining, globose-ovoid, about 2" long, more than 

 one-half as long as the calyx-segments. 



In dry thickets and fields, Quebec to New York, 

 Minnesota, Kansas, Virginia, Tennessee and Arkan- 

 sas. May. 



4. Lithospermum pildsum Nutt. Woolly 

 Gromwell. Fig. 3538. 



Lithospermum pilosum Nutt. Journ. Phil. Acad. 7: 43. 



1834- 

 Lithospermum Torreyi Nutt. loc. cit. 44. 1834. 



Perennial from thick roots, hirsute, rather pale 

 green; stems usually stout and clustered, very leafy, 

 8'-i8' high. Leaves lanceolate or linear-lanceolate, 

 2-4' long, 2"-$" wide, gradually acuminate to the 

 apex, narrowed at the base, sessile, indistinctly 

 veined ; flowers dull yellow, very numerous and 

 crowded in a terminal leafy thyrsus ; calyx-seg- 

 ments densely hirsute, shorter than the cylindric 

 corolla-tube; corolla salverform, the throat puberu- 

 lent below each lobe ; style longer than the filaments ; 

 nutlets ovoid, acute, white, shining, about 2" long. 



Western Nebraska (according to Williams) ; Wyo- 

 ming to Montana, Alberta, British Columbia and Cali- 

 fornia. May-July. 



