Genus 13. 



BORAGE FAMILY. 



3. Onosmodium molle Michx. Soft-hairy False 

 Gromwell. Fig. 3544. 



U. molle Michx. Fl. Bor. Am. i: 133. 1803. 



Stem erect, branched above, about 2 high, hispid-pubes- 

 cent or strigose, the branches soft-pubescent. Leaves 

 lanceolate to ovate-lanceolate, the larger about 2 long, 

 densely soft-pubescent on both sides ; bracts similar to the 

 leaves, 1' long or less ; calyx-lobes linear-oblong, 3" long, 

 obtusish ; corolla 4"-6" long, its lobes triangular, acute, 

 i"-ii" long, pubescent outside; nutlets about 1" long, 

 usually distinctly pitted. 



Barrens, Kentucky, southern Illinois and Tennessee. May- 



July. 



4. Onosmodium occidentale Mackenzie. 

 Western False Gromwell. Fig. 3545. 



O. occidentale Mackenzie. Bull. Torr. Club 32 : 



502. 1905. 

 O. occidentale sylvestre Mackenzie, loc. cit. 504. 



1905- 



Stem i-3i high, branched above or also 

 from the base, strigose or hirsute-pubescent. 

 Leaves lanceolate to ovate-lanceolate, acute, 

 appressed-pubescent on both sides, or the hairs 

 somewhat spreading, 2-3' long, strongly vein- 

 ed ; bracts similar to the leaves but much 

 smaller ; calyx-lobes lanceolate, acute to ob- 

 tuse, 3"-6" long; corolla 6"-io" long, canes- 

 cent all over outside, its lobes 1 1" -2" long, 

 broadly triangular and acute ; nutlets ovoid, 

 acutish, about 2" long, dull, scarcely if at all 

 pitted, not constricted at the base. 



On prairies and plains, Illinois to North Da- 

 kota. Manitoba. Alberta. Kansas. Texas and New 

 Mexico. Included in O. molle Michx., in our first 

 edition, and by previous authors. May-July. 



5. Onosmodium hispidissimum Mackenzie. 

 Shaggy False Gromwell. Fig. 3546. 



Onosmodium hispidissimum Mackenzie, Bull. Torr. Club 

 32 : 500. 1905. 



Spteading-hirsute with rough bristly hairs; stem 

 stout, usually much branched. i-4 high. Leaves lan- 

 ceolate, ovate-lanceolate or oblong, acute or acuminate 

 at the apex, narrowed to the sessile base, 5-9-ribbed. 

 2'-/\V long, i'-iV wide; flowers very numerous and 

 crowded; pedicels i"-2" long in fruit; calyx-segments 

 linear, somewhat shorter than the corolla-tube; corolla 

 yellowish-white, pubescent outside, 5 "-9" long, its lobes 

 triangular-lanceolate, acute, one-third to one-half as 

 long as the tube; nutlets obtuse, about ii" long, dis- 

 tinctly constricted at the base, little if at all pitted. 



In dry fields or thickets, or on banks, Ontario and west- 

 ern New York to Minnesota, Missouri. Georgia and Texas. 

 Ascends to 2200 ft. in Virginia. Previously referred to 

 Onosmodium carolinianum (Lam.) DC. May-July. 



