Order 78.— PRIMWORTS. 2-13 



2. DODECATII'EON. American Cowslip. 



Calyx S-parted, reflexed. Corolla tubo very short, limb rotate, 5-parted, 

 with the limb reflexed. Stamens 5, inserted into the throat of the corolla, 

 Olaments short, anthers long, acute connivent at apex, but shorter than 

 the style. — u Leaves all radical, oblong, scape erect, bearing an umbel of 

 nodding rose or white flowers. May, June, (Fig. 554.) 

 D Mea'dia. P/ide of Ohio. A striking and elegant plant, in prairies througljout the 

 "Western States. Seape l-2f. high. Petals wliite or pink. Stamens yellow. \ 



8. LYSIMACIl'IA. Loose-strife. 



Calyx 5-parted. Corolla tube very short, limb 5-parted, spreading. 



Stamens 5, on the base of the corolla, filaments often united. Pods 5-10- 



valved. Seeds several or many. — If Leaves opposite or whorled, entire. 



Flowers mostly yellow. June, July. 



% Erect Peduncles several-flowered, or flowers panicled. . . .a 



§ Erect. Pedicels 1-flowered, flowers racemed 8, 9 



§ Erect. Pedicels ] -flowered, flowers axillary 1 



§ Prostrate, creeping. Pedicels (or umbels) axillary 10, 11 



a Leaves thick, rather obtuse, with the edges rolled back. . . .4, 5 



a Leaves thin, acuminate, Avith the edges not rolled. . . .6, 7 



1 Leaves mostly opposite, on petioles fringed with hairs 2, 3 



1 L. quadrifo'lia. Whorled L. Leaves whorled in 3's, 4'8, and 5's, sessile. 



2 L. cilia'ta. Fringe-lf. L. Leaves ovate, often cordate. Stems mostly branched. 



3 L. hib'rida. JJijhr'id L. Lvs, lance-oblong, opposite or wliorled. Stems branched. 



4 L. asperifo'lia. Kough-lf. L. Leaves oblong-lanceolate. Panicle bracted. S. 



5 L. longifo 'lia. Long-lf. L. Lvs. lance-linear. Fls. large, scarcely pan. W. 



6 L. lanceola'ta. Lance-lf. L. Lvs. whorled in 4's, lance. Upper fls. racemed. S. 



7 L. Fra'seri. Frai<ir''8 L. Leaves opposite, ovate, often cordate. Panicle large. S. 



8 L. stric'ta. Strkt L. Leaves nearly opposite, narrow-lance., with bull.lets. 



9 L.Herbemon'ti. I [r rbemnnt' s L. Lvs. whorled, in 4's or 5's, lance., acuminate. S. 



10 L. rad'icans. RixA'auj L. Branches rooting at the end. Leaves lanceolate. 



11 L. Nummula'ria. Moneywort. Stem simple. Leaves roundish, very obtuse 



4. TRIENTA'LIS. Chick-wintergreen. 



Calyx and corolla 7-parted. Stamens 7. Pod many-seeded. — y Stem 



low, simple. Pedicels l-flowered. 



T America'na. American C. A pretty little plant, common in woods northward. 

 Stem 3-5' bigh, bearing several lanceolate leares in a sort of whorl at top, and 

 from their midst, 1 or more white, stnrlikc flowers. May, June. 



