HESPERIS. — SISYMBRIUM. 25 



Tribe II. Sisymbriea. 

 9. Hesperis Linn. Dame's Violet. 



fl. H. matronalis {L-); st. erect branched above, 1. ovate- 

 lanceolate acuminate toothed, pedicels about as long as the calyx, 

 pet. obovate obtuse with an apiculus, pods erect from a patent 

 pedicel terete torulose. — H.inodora, E.B. 731. — Fl. lilac, "fra- 

 grant," large and handsome. — Hilly pastures, very rare. B. V. 

 VI. 



[Malcolmia maritima (R. Br.) has been found in Kent, but is 

 not a native.] 



10. Sisymbrium Linn. Hedge Mustard. 



1 . S. officinale (Scop.) ; pods subulate adpressed to the stem, 

 1. runcinate-pinnatifld with 2 or 3 pairs of oblong dentate lobes 

 and a large hastate terminal lobe. — E. B. 735. R. ii. 72. — St. 

 1 — 2 feet high with divaricate branches, upper part leafless. Fl. 

 small, pale yellow. Pods on very short stalks, pubescent some- 

 times glabrous. — Common. A. Vl. VII. Hedge Mustard. 



[*2. S. polyceratium (L.) ; pods subulate spreading sessile 

 axillary about 3 together, 1. lanceolate repaud- dentate or sub- 

 hastate. — B,. ii. 73. — St. leafy throughout, branched, "prostrate." 

 Fl. small.— Bury St. Edmunds, naturalized. A. VII. VIII.] 



3. S. Irio (L.); pods terete 4 times as long as their pedicels 

 erect-patent, the young pods exceeding the fl., seeds oblong, 1. 

 runcinate-pinnatifid, lobes dentate oblong the terminal lobe an- 

 gular, lobes of the upper 1. lanceolate with the terminal hastate. 

 — Ef B. 1631. R. ii. 75. — Erect, branched, st. and 1. glabrous. 

 Fl. yellow. Pods narrow, linear. Pedicels slender. — Near old 

 towns, rare. A. VII. VIII. London Rocket. 



4. S. Sophia (L.) ; pods terete 3 times as long as their pedi- 

 cels erect-patent, seeds oblong, /. doubly or trebly pinnatifid, 

 segments linear or linear-lanceolate. — E. B. 963. R. ii. 74. — St. 

 erect, branched, and as well as the 1. slightly downy. Fl. yellow. 

 Pet. short. Pods linear, narrow. Pedicels slender. — Waste 

 places, not common. A. VI. — VIII. Flixweed. 



5. S. thalianum (Gaud.) ; pods 4-angular linear ascending 

 twice as long as their patent pedicels, seeds oblong not striated, 

 I. oblong-lanceolate undivided toothed. — Arabis Sm.,E. B. 901. 

 Conringia R. ii. 60. — St. erect, slender, much branched, with few 

 leaves which are nearly all radical. Fl. small, white. Pods an- 

 gular on the back of the valves (tetragonous), not convex as in 

 the other species (terete), nor with the lateral longitudinal veins 

 so strongly marked. — On walls and banks. A. IV. v, and IX. X. 



