RESEDA CEA E SA AKA CEN1A LES. 469 



style about 2 mm. long; pod lanceolate-oblong, slightly compressed, 3-4 cm. long, 

 t> 8 mm. wide, slightly stipitate, rough, reticulated; seeds rough. Sandy and 

 gravelly shores, Quebec to Manitoba, the N. W. Terr., N. Y., Penn., Kans. and Colo. 

 Summer. 



2. Polanisia trachysperma T. & G. LARGE-FLOWERED CLAMMY-WEED. 

 (I. F. f. 1797.) Similar to the last, but flowers twice the size; style 4-6 mm. long; 

 stamens much exserted; filaments purple, conspicuous; pod slightly larger, nearly 

 or quite sessile. Prairies, Iowa to Tex., Br. Col., Nev. and Ariz. Summer. 



Family 4. RESEDACEAE S. F. Gray. 

 Mignonette Family. 



Herbs, rarely woody, with alternate or fascicled leaves, gland-like 

 stipules and racemose or spicate, bracted flowers. Flowers unsymmetri- 

 cal. Calyx 4~7-parted, inequilateral. Petals generally 4-7, hypogynous. 

 Disk fleshy, hypogynous, i -sided. Stamens 3-40; filaments generally 

 unequal. Ovary i, compound, of 3-6 carpels; styles or sessile stigmas 

 3-6 ; ovules o . Fruit capsular in all but i genus. Seeds reniform, with- 

 out endosperm ; cotyledons incumbent. Six genera and about 65 species, 

 natives of the Old World. 



i. RESEDA L. 



Herbs, with small spicate or narrowly racemose flowers. Petals 4-7, toothed 

 or cleft. Disk cup-shaped, glandular. Stamens 8-30, inserted on one side of the 

 flower and on the inner surface of the disk. Capsule 3-6-lobed, horned, opening 

 at the top. [Ancient Latin name.] About 55 species, natives of the Old World. 



Leaves entire ; upper petals lobed, the lower entire. I. R. Luteola. 

 Leaves lobed or pinnatifid. 



Petals greenish-yellow, 3 or 4 of them divided. 2. R. lutea. 



Petals white, all of them cleft or divided. 3. R. alba. 



1. Reseda Luteola L. DYER'S ROCKET. YELLOW-WEED. (I. F. f. 1798.) 

 Glabrous, erect, 3-8 dm. high. Leaves lanceolate or linear, entire, obtuse, ses- 

 sile or the lower narrowed into petioles; flowers greenish-yellow, 2-4 mm. broad, 

 in long narrow spikes; sepals 4; petals 4 or 5, very unequal; capsule globose, 4-6 

 mm. in diameter, with 3 or 4 apical teeth and 6-8 lateral ridges. In waste places, 

 N. Y., and in ballast about the seaports. Adventive from Europe. Summer. 



2. Reseda lutea L. YELLOW CUT-LEAVED MIGNONETTE. (I. F. .f. 1799.) 

 Ascending or decumbent. Leaves 5-10 cm. long, broadly ovate or oblong in out- 

 line, deeply lobed or divided; sometimes pinnatifid, their segments linear or ob- 

 long, obtuse; flowers greenish-yellow, 4-6 mm. broad; pedicels about 4 mm. long 

 in fruit; petals 6 or 5, all but the lowest irregularly cleft; capsule oblong, about 

 8 mm. long, 34 mm. wide, with 3 or rarely 4 short teeth. In waste places, 

 Mass, to N. J. and Mich., and in ballast about the seaports. Adventive from 

 Europe. Summer. 



3. Reseda alba L. WHITE CUT-LEAVED MIGNONETTE. (I. F. f. 1800.) 

 Erect, somewhat glaucous, 3-9 dm. high. Leaves pinnate or deeply pinnatifid, 

 the segments 9-12, linear or lanceolate, obtusish, 8-25 mm. long; flowers nearly 

 or quite white, 4-6 mm. broad, in dense spike-like racemes; petals 6 or 5, 3-cleft 

 at the summit; capsule ovoid-oblong, usually 4-toothed, 10-12 mm. long. In 

 waste places, Conn., N. Y., Ohio, in ballast about the eastern seaports and in Br. 

 Col. Adventive from S. Europe. July-Aug. 



Order 17. SARRACENIALES. 



Insectivorous plants secreting a viscid liquid, with basal leaves and per- 

 fect scapose flowers. Corolla choripetalous. Sepals mostly distinct. 

 Stamens usually hypogynous. Ovary compound, superior. 



Ovary 3-5-celled ; leaves hollow. Fam. i. Sarraceniaceae. 



Ovary i-celled ; leaves circinate in unfolding, the blade flat. Fam. 2. Droseraceae. 



