B O R A G 1 N AC E JB, . 249 



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3. ONOSMODIUM. Mich. Onosmodium. 

 (So named from its resemblance to Onosma, another genus of this order.) 



Calyx deeply 5-parted ; segments linear. Corolla tubular- 

 campanulate ; throat naked ; limb 5-cleft, the lobes acute and 

 connivent. Anthers sessile, included. Style much exserted. 

 Nuts imperforate, shining, ovoid. 



1. O. Mspidum Mick. : stem hispid, branched ; leaves obovate-lanceolate, 

 hairy, papillose-punctate ; segments of the corolla subulate. O. Virgini- 

 anum D. C. Lithospermum Virginianum Linn. Purshia hispida Lehm. 



Fields, &c. N. Y. to Car. W. to Ohio. Aug. %. Stem 12 feet high. 

 Flowers white, in simple leafy secund racemes, which at first are recurved and 

 afterwards straight. Hairy Onosmodium. 



2. O. molle Mich. : whole plant white-villous ; leaves oblong-oval, some- 

 what 3-nerved; segments of the corolla semi-oval. O. Carolinianum D. C. 

 Lithospermum molle Muhl. Purshia mollis Lehm. 



Sandy grounds, near Albany, N. Y. G. A. Clinton. Penn. to Tenn. July, 

 Aug. 1\.. Differs from the former in its soft white pubescence, and in the 

 broader segments of its corolla. Soft Onosmodium. 



4. SYMPHYTUM. Linn.Comfiey. 



(From the Greek o"j//$uo>, to unite; on account of its reputed healing powers.') 



Calyx 5-parted, 5-cleft or 5-toothed. Corolla tubular-cam- 

 panulate ; throat closed with 5 connivent subulate scales ; limb 

 with 5 broad and short lobes. Nuts ovoid, rugose. 



& officinale Linn. : stem hispid, winged above ; radical leaves on long 

 petioles, rough ; cauline ovate-lanceolate, attenuated at base and very de- 

 current. 



Springy grounds. N. Y. Mass, and Penn. June. 01. Stem 1 3 feet high, 

 branched above. Racemes in pairs, secund, drooping. Corolla large, yellow- 

 ish-white, or rarely purplish. Introduced, but apparently native near Fairfield, 

 N. Y. Common Comfrey. 



5. ECHIUM. Linn. Viper's Bugloss. 



(From the Greek f.^'f, a viper ; on account of the fancied resemblance of the 

 eed to the head of that animal.) 



Calyx 5-parted ; the lobes linear-lanceolate, erect. Corolla 

 subcampanulate ; tube very short ; throat open ; the limb un- 

 equally and obliquely 5-lobed. Stamens unequal. Nuts im- 

 perforate at base, tuberculate. 



E. vulgare Linn. : stem simple, hispid with tubercles ; leaves linear-lan- 

 ceolate, hispid; radical ones petiolate, spreading, very long; flowers in 

 lateral spikes ; stamens longer than the corolla. 



Fields and road sides. N. Y. to Virg. ; common in New Jersey. June, July, 

 (g). Stem 2 3 feet high, branched above. F/m/w.f large, blue, in lateral 



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