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 tornlose. <H. inodora, E.E. 731. Fl. lilac, "fra- 

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



[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-pinnatifid with 2 or 3 pairs of oblong dentate lobes 

 and a large hastate terminal lobe. E. E. 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. VI. VII. Hedge Mustard. 



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

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

 hastate. R. 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. 

 E. 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, L doubly or trebly pinnatifid, 

 segments linear or linear-lanceolate. E. B. 963. E. 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. 



