BORRAC.IXACKiE. (bOUAGE FAMILY.) 331 



G. ECHIUM, Tourn. 



Cnlvx 5-pfirtpd. Corolla fuiincl-form, unequally 5-lobc(l, naked at the throat. 

 Stuuiciis 5, uiiL-(iual, mostly cxscrtcd. Style filiforui. Nutlets 4, closed at tho 

 base, uneven or rouj^h. — Herbs, with alternate leaves, and blue or purple (low- 

 ers ia spiked often pauieled raeemcs. 



1. E. vulgare, L. Hispid with bristly spreading hairs ; stem simple, 

 erect (I°-2° iiigh); leaves lincar-Ianccolate, sessile; flowers large, in short 

 axillary racemose spikes ; corolla purple, pubescent, twice as long as tho 

 lanceolate calyx-teeth, shorter than the stamens aud style. — Fields, North 

 Carolina. Introduced, June -Aug. @ 



7. ONOSMODIUM, Michx. 



Calyx 5-p.artcd. the lobes linear and acute. Corolla ovatc-tubnTar, naked in 

 the throat, with five acute, connivent lobes. Anthers nearly sessile, sagittate, 

 included. Ovary 4-partcd. Style smooth, exscrted. Nutlets 1-4, ovoid, shin- 

 ing. — Erect hispid herbs, with entire somewhat ribbed sessile leaves, and green- 

 ish flowers in a terminal bractcd raceme or spike. 



1. O. Carolinianum, DC Rough with spreading white rigid hairs; 

 stem stout, branched; leaves oblong-ovate; lobes of the corolla ovate, hairy; 

 anthers oblong; calyx-lobes scarcely twice as long as the dull white nutlets^ — 

 Dry soil in the upper districts. June. H. — Stem 3°-4° high. Leaves 2' -3' 

 long, llacemes leafy. 



2. O. Virginianum, DC. Rough with appressed bristly hairs ; stem 

 slender, sparingly branched ; leaves lanceolate or oblong-lanceolate, obtuse or 

 acute ; lobes of the corolla lanceolate-subulate, bristly ; calyx-lobes 3-4 times as 

 long as the white polished nutlets. (O. hispidum, Michx.) — Dry pine barrens, 

 Florida, and northward. May and June. y. — Stem l°-2° higii. Leaves 2' 

 long. Corolla twice as long as the calyx. Racemes leafy. 



8. LITHOSPERMUM, L. Geomwell. 



Calyx 5-parted, the lobes equal. Corolla funnel or salver form, obtusely 

 .5-lobed, smooth, gibbous or hairy in the throat. Anthers oblong, nearly sessile, 

 included. Stigma capitate, somewhat 2-lobed. Nutlets 1 -4, ovate, stony, 

 truncate at the base. — Chiefly rough-hairy herbs, with red roots, alternate entire 

 leaves, and variously colored flowers in Icafy-bracted racemes or spikes. 



* Annual: nutlets roughened. 



1 L. arvense, L. Rough with oppressed hairs ; stem nearly simple, or 

 branched fiom the base ; leaves lanceolate ; the upper ones sessile and acute, tho 

 lower obtuse, tapering at the base ; flowers scattered ; corolla yellowish-white, 

 about as long as the linear-subulate lobes of the calyx; nutlets 4. — Cultivated 

 grounds and waste places, Florida, and northward. March and April. Intro- 

 duced. — Stem 6' - 1 8' high. Leaves 1' - 2' long. 



