212 ORDER 81. PRIMULACE^E. 



5. CYCLAMEN, L. Cal. bell-shaped, 5-parted. Corolla tube ovate, 

 short, limb 5-parted, reflexed. Anth. 5, included, sessile. Caps. globous ; 

 5-valved. Oriental herbs. Root a large tuber. Leaves all radical, ovate or 

 roundish, cordate. Scapes naked, erect, with one nodding flower, but in 

 fruit coiling up and hiding the capsule in the ground. 



1 C. EunopJEUM. Lvs. crenate ; petals lance-ovate, fragrant, roseate. Europe. 



2 C. COUM. Lvs. entire ; petals round-ovate, inodorous, purple. Asia Minor. 



6. GLAUX, L. BLACK SALTWORT. Calyx campanulate, 5-lobed, col- 

 ored. Corolla none. Sta. 5. Caps, roundish, surrounded by the calyx, 5- 

 valved, 5-seeded. u Maritime, branching, glabrous, with opposite leaves 

 and small, axillary, solitary flowers. 



Ci. maritima L. Salt marshes, Can. to N. J. Plant fleshy, branching, leafy, 46' ; Iva. 

 round-ovate, obtuse, entire, darkly glaucous ; calyx reddish-white. July. 



7. TRIENTALIS, L. CHICKWEED-WINTERGREEN. Cal. and cor. 7- 

 (6-8-) parted, spreading. Sta. 7 (6 8). Fruit capsular, somewhat fleshy. 



00 - seeded. U St. low, simple. Lvs. subverticillate. Pedicels 1 -flowered. 



T. Americana Ph. St. erect, simple, leafless at base; Ivs. glomerate at top of the 

 stem, few, narrow-lanceolate, serrulate, acuminate ; sepals linear, acuminate. Rocky 

 woods : com. 3 6'. Pedicels 14, filiform ; corolla white, starlike, 6". May, June. 



8. LYSIMACHIA, L. LOOSE-STRIFE. Fls. 5-(rarely 6- or 7-) parted. 

 Cor. wheel-shaped, the petals nearly or quite distinct. Sta. 5, on the base 

 of the corolla. Fil. often somewhat connate or with intervening, sterile 

 ones. Capsules globous, 5-10-valved, opening at the apex. Seeds few or 

 many, y With opposite or verticillate entire leaves. (Flowers yellow.) 



Petals 57, distinct, dotted, with 57 intervening teeth. (Naumbergia) No. 1 



Petals 5, united at base, that is, monopetalous . . . (o) 



a Sterile filaments 0, the perfect stamens monadelphous . . . (e) 



a Sterile filaments 5 short teeth alternate with the perfect stamens. . .(d) 



c Flowers whorled, in a long, terminal, bracted raceme Nos. /J, o 



c Flowers not racemed axillary or paniculate Nos. 4 6 



d Leaves acute at base, tapering to the short petiole Nos. 7. 8 



d Leaves rounded or abrupt at base, long-petioled Nos. 9, 10 



1 JL. tliyrsiflora L. St. simple ; Ivs. dotted, linear-elliptical, pointed, sessile ; thyr- 



soid racemes from the middle axils pedunculate, shorter than the leaves ; pet. linear, 

 brown-dotted. Meadows, N. Eng. to O., and N. 2f. June. (Naumbergia C-B.) 



2 It* stricta Ait. Lvs. opposite, rarely in 3's, lanceolate to lance-linear, acute, scssilo, 



dotted ; axils producing bulblets after flowering ; fls. whorled, in a long, open, termi- 

 nal raceme, yellow, with purple streaks. Low grounds. 1 2f. July. 



ft. ang-utifol!a <Chapm.) Lvs. very narrow, obtuse; petals acute. South. 



3 L. Herfoemonti Ell. St. simple: Ivs. whorled in 4's or 5's, ovate to lance-ovato, 



pointed, sessile, revolute at edge, dotted ; fls. racemed, dotted. Carolina : rare. 2f. 



4 L. Fr seri Duby. Glandular-downy at top; Ivs. opposite, ovate or ovate-cordate, 



pointed, petiolate, clotted; fls. in a terminal panicle; sep. fringed. S. Car. (Frasi-r). 



5 L. quadriiolia L. Erect, simple; Ivs. in whorls of 4's (rarely 5's or 3's), lanceo- 



late, pointed, sessile, dotted; p<;d. slender, solitary in each axil; pet. oval, obtuse. 

 Damp shades, Can. to Car. and Ky. IS'. Corolla yellow, with purple lines. June. 



6 I*, iiuminularla L. Moneywort. Trailing, weak ; Ivs. roundish, subcordate, on 



short petioles, opposite, dotless ; fls. solitary, large, showy Fit- Ids and gardens. $ 



