432 XCIV. BORRAGINACEA. - LituosPERMUM. 
6. ONOSMODIUM. Michx. 
From Onosma, another genus of this order, and €d0s, appearance or resemblance. 
Calyx.deeply 5-parted, with linear segments; corolla subeampanu- 
late, having a ventricose, half 5-cleft limb, with the segments con- 
verging and the orifice open; anthers sessile, sagittate, included ; 
style much exserted; achenia imperforate, shining.—% North Ameri- 
can. Rac. terminal, subspicate, one-sided. F'ls. white. 
1. O. Virainiinum. Alph. DC. (O. hispidum. Miche. Lithospermum 
Virg. Linn.) False Gromwell—wSt. with appressed hairs; ls. oblong-lan- 
ceolate, minutely strigose ; cal. lubes lanceolate, pilose both sides, half as long as 
the corolla; cor. lobes lance-subulate, clothed externally with long, hispid hairs. 
—N. Y. to Flor., in dry, hilly grounds. <A very rough, erect plant about 14f 
high. Leaves 13—2i/ by 4—3’, 3—5-veined, often oval and even ovate-lanceo- 
late. Flowers greenish-white, in leafy racemes which are recurved at first but 
finally erect. Styles (6—7'') twice longer than the corolla. 
2. O. CarotintAnum. DC. (O. molle. Michz. Lithospermum Carol. Lam. 
L. molle. Muhl.)—Villose-canescent; /vs. oblong-oval, rather obtuse, each 
side whitish with scattered hairs; bracts ovate-lanceolate; cal. segments lanceo- 
late, half as long as the glabrous corolla; cor. segments ovate, ere asia 
hills, N. Y. to Car. and Tenn. Plant a foot or more high, clothed with a soft, 
white pubescence. Anthers silky-pubescent, as long as the glabrous filaments, 
its lobes scarcely diverging. Jl. Aug. 
3. O. stricdsum. G. Don. 
St. erect, simple, pilose-hispid, very leafy; iwvs. lance-linear, sessile, very 
long, 3-veined, with appressed hairs; bracts lance-linear, silky; cal. lobes linear, 
acute, silky with appressed hairs both sides, very long ; cor. cylindrical, a third 
longer than the calyx, silky-puberulent outside; s/a. included; sty. exserted.— 
fll., (Mead,) in wet prairies and woods. “Leaves 3’ long, 3/ wide, nearly gla- 
brous beneath the veins. Corolla yellowish-white. Fruit smooth and shining. 
7 LITHOSPERMUM. 
Gr. d. Sos, a stone, and oreoppa, seed; the seeds being hard and shining like little pebbles. - 
Calyx 5-parted, persistent; corolla funnel-form or salver-form ; 
limb 5-lobed, orifice open; stamens included; stigma obtuse, bifid ; 
achenia bony, rugose or smooth, imperforate at base-—Herbaceous or 
suffruticose, generally with a thick, reddish root. Els. spiked or racemed, 
bracted, white or yellow. 
* Flowers white. 
1. L. OFFICINALE. Officinal Gromwell. 
St. herbaceous, erect, very branching above; Jus. lanceolate, acute, a 
cal. nearly equal to the tube of the corolla; ach. smooth.—| A rough, weed-like 
plant, introduced from Europe. Grows in dry, gravely soils. Stems much branch- 
ed, clustered, arising 1—2f from a white, fusiform root. Leaves grayish-green, 
rough on the upper side, hairy beneath, rather acute, entire, 2—3/ by 4—3?/. Flow- 
ers small, white, axillary, solitary, pedicellate, in recurved, leafy spikes, Ache- 
nia ovate, white or grayish, polished, stony, usually but 1 or 2 perfected. Jl. § 
2. L. vatiroutium. Michx. Broad-leaved Gromwell. 
Herbaceous, erect, subsimple, scabrous; /vs. ovate-lanceolate, acute at 
each end, veined, scabrous; rac. leafy, few-flowered; sep. lance-linear, longer 
than the corolla and spreading in fruit; ach. punctate, shining-white, ovoid-tur- 
gid. Woods and thickets, N. Y., Torrey, to Ohio and Ill., Mead! and Va., 
Pursh. Differs from the first in the less branching stem, much broader leaves, 
longer calyx and larger fruit Ber eve with minute impressions.” Leaves 
2—4’ by 1—2’, strongly veined. Nuts generally but 2, half as long as the calyx. 
Flowers small, white. 
3. L. aNcustTirotium. Michx. . 
St. herbaceous, procumbent; Jvs. linear, strigose with an appressed pubes- 
w @ 
