Order 13.— OEUCIFER^ 229 



near Boston (Sprag-ue). Sts. ascending from a prostrate base. Fls. rather large 

 and showy. Pet. -J longer than calyx. Pods nearly J' long, the pedicels rather 

 longer, ascending. Jn., Jl. § Eur. 

 9 N. sinuatum Nutt. Lvs. pirmatified, segm. Icmce-oblong, nearly entire ; pods 

 dbhng, acute, with a slender style. — Banks of the Miss, opposite St. Louis, southward, 

 "W. to Oregon. Glabrous and diffusely branched. Lvs. regularly pinnatified, the 

 terminal segm. often confluent. Fls. rather large and showy. Pods about ^' 

 long, slightly curved, the pedicels stLU longer, spreading or recurved. Jn. 



2. TURRITIS, Dillon. Towbr Mustard. (Lat. turritis, turreted ; 

 from the pyramidal form of the plant.) Sepals erect, converging ; 

 silique long, linear, 2-edged ; valves plain, l-v«ined ; seeds in a double 

 row (margined in one species) (0=). — Fls. white or rose-colored. Stem 

 lvs. mostly saggittate-clasping. 



1 T. glabra L. Fls. {cream-white) erect ; siliques long (3'), strictly erect ; stem-lvs. 

 ovate lanceotate, — (D In rocky fields about New Haven (Baton) and Can. Glabrous. 

 St. round, simple, l-Jf high. ' Kadioal-lvs. petiolate, dentate ; cauline arrow-shaped 

 and half-clasping at base, smooth, glaucous and entire. Siliques straight and 

 very narrow. May. § Eur. 



2 T. striota Graham. Fls. (rose-wMie) erect ; silique long (3'), erect, finally ascend- 

 ing, stem-lvs. linea/r-lanceolate. — (D On rooks, N. Y. (rare), W. to Or. Plant glab- 

 rous. St. straight, erect, simple, 1 — 2f high. Root-lvs. spatulate, remotely den- 

 ticulate ; stem-lvs. arrow shaped, claspuig, erect, nearly entire. Rao. terminal, 

 elongated in fruit. May. 



3 T. brachyoirpa Torf & Gr. Fls. (pale-purple) nodding; siliques shprler (V), 

 spreading. — LalEe shores Mich. Glabrous and glaucous, often purplisii. Stem 

 1 — 2f high. Root-lvs. spatulate, dentate ; cauline linear-lanceolate, sagittate and 

 clasping. Fls. rather large. 



3. lODANTHUS, Torr. & Gray. False Rocket. (Gr. Ludijg violet- 

 colored, dvOog, flower,) Calyx closed, shorter than the claws of the 

 petals ; silique linear, terete, veinless ; seeds arranged in a single row 

 in each cell (0=). — Glabrous, with violet-purple flowers in panioled 

 racemes. 



I. pinnatffida Torr & Gr. — 11- Penn. to III, S. to Ark. St. slender, furrowed 

 2 — 3f high. Lvs. thin, sharply dentate, 3 — 5' long, J as wide, the lower often 

 lyrate-pinnatifid, those of the stem lanceolate, acuminate, scarcely petiolate. 

 Eac. terminal and aacillary. Petals long-clawed, with an obovate border. Pods 

 torulous, 15 — 20" long ; sds. oblong, plano-convex. May, Jn. 



4. MATTHlOLA, E. Br. Stock. (In honor of P. A. Matthioli, 

 physician to Ferdinand of Austria, and botanic author.) Calyx closed, 

 2 of the sepals gibbous at base ; petals dilated ; siliques terete ; stigmas 

 connivant, thickened or cornute at the back. — Herbaceous or shrubby, 

 oriental plants, clothed with a hoary, stellate pubescence. 



* Perennial or biennial. Stems herbaceous No3. 1, 2. 



* Perennial. Stems shrubby at base Nos. 8, 4. 



1 M. dnnuus R. Br. Ten weeks' stock. St. erect, branched; lvs. hoary- 

 canescent, lanceolate, obtuse, subdentate; silique subcylindriecd. — <I) A fine 

 garden flower fi-om S. Europe. St. 2f high, and, with the leaves, covered widi 

 a soft, stellate pubescence. Fls. variegated. Jn.f 



2 M. Graeous B. Br. Gkbcian Stock. St. erect, branched ; lvs. lanceolate, 

 glabrous; siliques somewhat compressed. — © From Greece. Plant about If 

 high, distinguished from the remainder of the genus by its smooth foliage. Fla. 

 ■white, appearing all'snmmer.f 



3 M. incSnus R. Br. Purple Jttlt Flower St. erect, frrcmctoi; lvs. lance- 

 olate, entire, hoary-canescent ; siliques suboylindrical, truncate and compressed 



