BOBAGINACEAB 215 



length. Racemes without bracts,-* the flowers rather crowded ; Corolla ochroleucous, 

 rarely purplish ; scales of the throat glandular-dentate. 

 Hub. Gardens. Nat. of Europe. Fl. June. Fr. Aug. 



Obs. This was formerly found in many of our gardens, and is 

 yet, occasionally, to be seen, for the sake of its mucilaginous 

 root, which was reputed medicinal, for wounds, and internal com- 

 plaints. It is, doubtless, about as sovereign as "Parmaceti, for an 

 inward bruise." 



* * Nutlets with a small flat scar at base. 



312. OtfOSMO'DIVM, MX. 



[So named, from its resemblance to Onosma, a kindred genus.] 

 Corolla tubular, with erect, or connivent, acute lobes ; throat naked. 

 Anthers sagittate, subsessile, included. Style much exserted. 

 Nutlets ovoid, glabrous. Hirsute perennials : flowers ochroleucous, 

 in terminal one-sided leafy racemes. 



1. O. Virgin! stnum, Alph. DC. Plant clothed with appressed 

 bristles; leaves lance-oblong, nerved, sessile, the lower ones 

 narrowed at base ; corolla-lobes subulate-lanceolate. 



0. hispidum. MX. $ Fl. Cestr. ed. 2. p. 119. 

 VIBGINIAN ONOSMODIUM. 



Stem about 2 feet high, branched. Leaves 2 to 3 inches long. Racemes at first 

 recurved and nodding, finally erect ; corolla rather longer than the calyx ; nutlets 

 with numerous depressions on the surface, grey, shining. 

 Hob. Great Valley: not common. Fl. June. Fr. Aug. 



313. MTHOSPERM1JM, Tournef. 



[Or. Lithos, a stone, and Sperma. seed; from the stony hardness of the nutlets.] 

 Corolla funnel-form, or salver-form, with rounded lobes; throat 

 naked, but mostly with 5 small gibbous projections. Anthers oblong, 

 subsessile, included. Style not exserted. Nutlets ovoid, rugose, or 

 smooth. Flowers axillary, crowded at summit in leafy racemes, or 

 clusters. 



a. Corolla funnel-form, white: nutlets rugose. 



1. L. arvSnse, L. Hairy ; branched from the base ; leaves lance- 

 linear, rather acute, nerveless; flowers small, the lower ones 

 rather distant. 



FIELD LITHOSPERMTJM. Stone-weed. Gromwell. 



Annual. Plant greyish-green, with short appressed hairs. /Stems 12 to 18 inches 

 high, often branched near the summit. Leaves 1 to 2 inches long, with a midrib 

 but no lateral nerves, sessile. Flowers solitary, subsessile; nutlets brown when 

 mature. 

 Hob. Fields. Nat. of Europe. Fl. May. Fr. June. 



Obs. A worthless little weed, extensively naturalized, 

 b. Corolla salver-form, orange-yellow : nutlets smooth. 



2. L<. caiiesceiis, Lehm. Villous; stem nearly simple; leaves 

 lance-oblong, rather obtuse; flowers rather large, clustered at 

 summit. 



Batschia canescens. MX. $ Fl. Cestr. ed. 2. p. 118. 

 HOABY LITHOSPEBMUM. Puccoon. Alkanet. 



