BORAGINACE.E. 249 



• 3. ONOSMODIUM. MicA.— 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. hispidum Mich. : stem hispid, branched ; leaves obovate-lanceolate, 

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

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



Fields, &c. N. Y. to'Car. W. to Ohio. Aug. '21-.—S/em 1—2 feet high. 

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

 afterwards straight. Hairy Onosmodium. 



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

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

 Lithospermuvi violle Muhl. Purshia mollis Lehm. 



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

 Aug. %. — Differs from the former in its soft wiiite pubescence, and in the 

 broader segments of its corolla. Soft Onosmodium. 



4. SYMPHYTUM. Z.m?i.— Comfrey. 



(From the Greek <ru/x(^Da), 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 ; lin^J) 

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



S. 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. %. — Stfm 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.—Y'i^&x's Bugloss. 



(From the Greek exu, a viper ; on account of the fancied resemblance of the 

 Reed 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. 

 (§). — Stem 2 — 3 feet higii. branchcci above. Floivers large, blue, in lateral 



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