154 VALERIANACE.B AND DIPSACE2B. 



5. SPIGELIA. Linn. Pink-root. 



In honor of I'roJ. Spigdius, who wrote on botany at the beginning of tho 17th 

 century. 



Calyx 5-parted, pereisteBfc; the lobes slender. Corolla 

 tubular-funnel-form, o-lobcd at the summit. Stamens 5. 

 Style slender, hairy above. Capsule *hort, twin, 2-celled, 

 separating at maturity into 2 carpels, few-seeded. — Chiefly 

 herbs, with opposite leaves, ■united by means of stipules, and 

 showy 'flowers in spikes or X^sided cymes. 



S. Marilandica, L. Pink-root. Worm-grass. 



Erect, simple, nearly smooth; stem square; leaves sessile, oval-lanceolate, acute 

 or pointed, roughish, hairy on the margin I nd ribs; spike 3-Cowered. 



Rich woods; rare. June. A beautiful herb with dark green foliage and scarlet 

 flowers. Stem 1 foot high; Leaves 3 to 4 in< .. £aswid i lowers 



1% to 2 inches long, somewhat claTftte, scarlet without, yellow within. Style 

 asserted. 



Order 50. VALERIAS! ACES, 



Herbs with opposite leaecs and no stipules-; the calyx-tube coherent with the ovary. 

 Corolla, tubular or funnel-form -A to C-lolxd, sometimes spurred at the base. 

 Stamens 1 to 5. Style slender; stigmas 1 to 3. FeUit indehiscent with 1 fertile 

 cell and 2 empty ones. Seeds suspended, anatrojpous, with a large embryo and no 

 albumen. 



FEDIA. Gaert. Corn-salad-. 



Calyx with the limb 3 to C-tccthed and persistent or 

 obsolete. Corolla tubular, 5-lobed, regular. Stamens 3. 

 Fruit 3-celled, two of the cells empty and sometimes con- 

 fluent into one, the other l-.sceded.— Annuals and biennials, 

 with forking stuns, opposite sessile leaves, and white or whitish 

 cluster ed-cymosc sm all flowers. . 



F. OLITORIA, Yahl. Lamb Lsttuce. 



Leavs B] atulatc, obtuse; radical leaves \ etiolate; fruit compound, oblique at 

 length, broader than long, the cross section elliptical, with a corky or spongy mass 

 at the back of the fertile cell. 



Fields; naturalized. June. Stem smooth, 4 to 10 inches high, forked. Leaves 

 mostly entire. Flowers in dense corymbs, white. 



Order 57. DIPS ACES.— Teasel Family. 



Herbs with o]->positc or whorled leaves, no stipules, flowers in dense heads, vpon a 

 common receptacle, surrounded with a many-lecved involucre. Calyx adherent, often 

 pappus-like. Cokoll.v tubular, somewhat irregular, the limb 4 — 5 parted. Stam- 

 ens 4, alternate with the lobes of the corolla. Style 1, simple. Feuit dry, inde- 

 hiscent, with a single suspended seed. 



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