CA R YOPH YLLA CEA E. 39 1 



long, slightly enlarged by the ripening pod; petals emarginate, crowned with nar- 

 row scales. In waste places and spontaneous in gardens, N. B. and Ont. to Mich., 

 E. Mass., N. J. and Penn. Introduced from Europe. June-July. 



13. Silene noctiflora L. NIGHT-FLOWERING CATCHFLY. (I. F. f. 1451.) 

 Annual, viscid-pubescent, 3-10 dm. high. Lower and basal leaves obovate or 

 oblanceolate, 5-13 cm. long, obtuse, narrowed into a broad petiole; upper leaves 

 sessile, ovate-lanceolate, acute or acuminate; flowers few, white or pinkish, 1.5- 

 2.5 cm. broad, in a loose panicle; calyx 2-3 cm. long, tubular, lo-nerved and 

 beautifully veined, much enlarged by the ripening pod, its teeth linear, acute; 

 petals 2-cleft. In waste places, N. S. and N. B. to Manitoba, Fla. and Mo. 

 Adventive from Europe. Flowers opening at dusk and remaining so until the 

 morning of the next day, fragrant. July-Sept. 



14. Silene Anglica L. ENGLISH OR SMALL-FLOWERED CATCHFLY. (I. F. f. 

 1452.) Annual, hirsute-pubescent; stem 3-6 dm. high. Leaves spatulate or 

 oblanceolate, 1-5 cm. long, obtuse, sometimes mucronate, or the upper narrower 

 and acute; flowers in a terminal simple i-sided raceme, nearly sessile or the lower 

 ones distant and longer-pedicelled, sometimes all distinctly pedicelled; calyx 10- 

 nerved, villous, 8-io mm. long, much enlarged by the ripening pod, its teeth 

 lanceolate, spreading; petals white, somewhat longer than the calyx. In waste 

 places, Me. to Ont., N. Y. and Penn. Adventive from Europe. Naturalized as a 

 weed on the Pacific Coast. April-July. 



15. Silene dichotoma Ehrh. FORKED CATCHFLY. (I. F. f. 1453.) Annual, 

 pubescent, 3-6 dm. high. Lower and basal leaves lanceolate or oblanceolate, 5-8 

 cm. long, acuminate or acute, tapering into a petiole; upper leaves sessile, lanceo- 

 late or linear; flowers white, distant in forking I -sided spikes; calyx cylindric, 

 12-16 mm. long, hirsute, much enlarged by the ripening pod, its teeth ovate- 

 lanceolate, acute; petals white, bifid, with a short, obtuse crown. In fields and 

 waste places, Me. to N. J. and Penn. Also in Cal. Adventive from southern 

 Europe. Summer. 



16. Silene Menziesii Hook. MENZIES' PINK. (I. F. f. 1454.) Perennial, 

 ascending or decumbent, leafy, widely branching, minutely glandular-pubescent, 

 1.5-4.5 dm. high. Leaves sessile, or the lowest petioled, oval, ovate-lanceolate or 

 slightly oblanceolate, acute or acuminate at each end, minutely ciliate, 2-6 cm. 

 long; flowers axillary and terminal, numerous, slender-peduncled, white (or pink ?), 

 8-10 mm. long; petals 2-cleft, crownless, longer than the 5-toothed calyx; capsule 

 about the length of the calyx. In damp soil, Neb. to the N. W. Terr., Br. Col., 

 Cal. and N. Mex. June Aug. 



4. LYCHNIS L. 



Herbs, mainly erect. Calyx ovoid, tubular, or inflated, 5-toothed, lO-nerved. 

 Petals 5, narrowly clawed, the blade entire, 2-cleft, or laciniate, generally crowned. 

 Stamens 10. Ovary I -celled or incompletely several-celled at the base, many- 

 ovuled; styles 5, opposite the calyx-teeth (occasionally 4 or rarely 3). Capsule 

 dehiscent by apical teeth or valves. [From the Greek for lamp, in allusion to the 

 flame-colored flowers of some species.] A genus of about 35 species, natives of the 

 north temperate and arctic zones. In addition to the following, about 9 others occur 

 in northern and western N. Am. 



Calyx-teeth not twisted ; plants pubescent, glandular or glabrate. 

 Flowers cymose or panicled; calyx enlarged by the ripening pod. 

 Fruiting calyx much enlarged, ovoid, obovoid or globose. 

 Plants viscid-pubescent ; flowers usually dioacious. 



Flowers white or pink, opening in the evening. i. L. alba. 



Flowers red, opening in the morning. 2. L. dioica. 



Plant roughish-pubescent; flowers perfect, scarlet. 3. L. Chalcedonica 



Fruiting calyx campanulate or tubular. 



Petals deeply laciniate; introduced species. 4. L. Flos-cuculi. 



Petals entire or emarginate; native western species. 5. L. Drummondi. 

 Flowers solitary; calyx inflated; plants arctic-alpine. 



Flower nodding; pod erect. 6. L. apetala. 



Flower and pod erect or nearly so. 7. L. affints. 



Calyx-teeth twisted ; plant densely white-woolly ail over. 8. L. Coronaria. 



