TETRADYNAMIA— SILIQUOSA. Sisymbrium. 197 



downy, rather more than half an inch long, on very short stalks. 

 Seeds not numerous, about 6 in each cell. 

 An infusion oT this herb, or of its seeds, is reputed to be good for 

 the asthma, hoarseness, or any debility of the throat or vocal 

 organs ; as also to promote expectoration. But it is out of use, 

 and probably Common White Mustard may, for any purpose, be 

 preferable. 



2. S. Irio. Broad Hedge-mustard. London Rocket. 



Leaves runcinate, toothed, smooth as well as the stem. Pods 

 erect. 



S. Irio. Linn. Sp. PL 92 1 . miM. v. 3. 503. Fl. Br. 705. Engl. 



Bot. V. 23. t. 1631. Curt.Lond.fasc.5. t. 48. DeCand. Syst. 



V. 2. 467. Jacq. Austr. t. 322. 

 Erysimum latifoiium neapolitanum. Rail Syn. 298. 

 E. latifoiium majus glabrum. Bauh. Pin. 101. Moris, v. 2. 218. 



sect. 3 L3.f.3. 

 Irio laevis Apulus, Erucse folio. Column. Ecphr. v. 1. 264. t. 265. 

 Broad Hedge Mustard. Peliv. H. Brit. «. 46. /. 4. 



In waste ground, or on banks and heaps of rubbish, chiefly about 

 London. 



About Chelsea, Battersea, and the whole neighbourhood of Lon- 

 don. Ray, Curtis. At Faulkbourn, Essex, and on the walls of 

 Berwick-upon-Tweed. Ray. It covered the ground in the 

 spring after the great fire of London. Haller records the same 

 tendency in the preceding species. 



Annual. July, August. 



Herb about 2 feet high, light green, with a hot flavour of Mustard, 

 and generally, as Curtis observes, entirely smooth. The upper 

 part of the stem however is occasionally downy, and the calyx 

 hairy. Stem erect, branched, round and quite even, leafy. 

 Leaves pinnatifid, runcinate, acute, toothed chiefly at the fore- 

 most, or upper, edges ; the upper ones lanceolate, with an 

 arrow-shaped base. Fl. yellow, small for the size of the plant. 

 Pods 2 inches long, slender, nearly erect, rugged when ripe. 

 Seeds very abundant. 



3. S. Sophia. Fine-leaved Hedge-mustard, or Flix- 



weed. 



Leaves doubly pinnatifid, a little hairy. Petals smaller than 

 the calyx, 



S. Sophia. Linn. Sp. PL 920. Willd. v. 3. 500. FL Br. 704. EngL 

 BoL V. 14. L 963. Mart Rust. t. 57- Hook. Scot. 202. De- 

 Cand. Syst. v. 2. 474. FLDan.f.o28. BulL Fr. t.27\. 



S. n. 484. HalLHisLv.\.2\0. 



Erysimum Sophia dictum. Rnii Syn. 298. 



Sophia Chirurgorum. Ger. Em. 1068./. Lob. Ic.7SS.f. 



