1(A 



TETRAD YN. SILICUL. 



})ouch orbicular, its wings dilated longitudinal, seeds concen- 

 trically striated, leaves oblong sagittate toothed glabrous. Br. 

 Light/, p. 'SiQ. E. B. t. 1659. 



Hab. Fields and road-sides, but not common. Near Linton, in 

 Tweed-dale, Rev. Dr. Burgess of Kirkmichael. Corn-fields about 

 Edinb., Maugh. Figgot-whins and Burntisland, near Edinb., Mr. 

 Arnott. Queen's-ferry, Mr. D. Stewart. Fl. June, July, ©. 



One foot high, branched above. Flmvcrs extremely small, white. 

 Pouches very large, Avith broad wings. 



2. Th. Bursa- Pastoris {covimou SliephercVs Purse), pouch ob- 

 cordate without wings, radical leaves pinnatifid. Br, Light/'. 

 p. 3 12. E.B.t. 1485. 



Hab.. Corn-fields and waste places^ every where, most abundant. 

 11. the whole summer. ©. 



V'cry variable in size and in the forai of the leaves ; lower ones more 

 or less pinnatifid ; upper ones lanceolato-sagittate ; all generally 

 toothed, and rough wifli hairs. Flowers small. Well distinguished 

 by the obcordatc wingless pouch. 



5. TEESDALIA. 

 . 1 . T. midicaidis {naked- stalked Teesdalia). Br. Lightf. p. 34G, 

 and E. B. t. 327 {Ileris nudicaulis). 



Hab. Sandy and gravelly banks, but rare, Sibbald. Whin near 

 New-Posso in a field belonging to Lord Advocate Montgomery, 

 Dr. Hope. Sandy fields near Tollcross, Glasg., abundantly, Hopk. 

 Links near Ayr, Maugh. Sandy hills at Peterhead, and Auchterar- 

 der, Perthshire, Mr. Murraij. Fl. May, June. © . 



Leaves almost entirely radical, lyrato-pinnatifid. Stems 2 — 4 inches 

 high, with sometimes 1 — 2 small, entire, or cut leaves. Flov.''ers 

 white, two of the petals longer than the other two ^. 



C. LEPIDIUM. 



1, L. latifolium (broad-leaved Pepperwort), leaves lanceolate 

 undivided serrated or entire, pouch oval entire. Br. Lightf. 

 p.33S. E.B.i.\S2. 



Hab. Near the sea-coast. By the castle of Weems, in Fifeshire, 

 &c., Lightf. Upon the rock on which Bothwell-castle is built. Dr. 

 Walker. 'K.July. 1/. 



T^o to three feet high, branched, erect. Flowers numerous, sma'l, 

 in many terminal clusters. 



2. L. ruderale {narroiv- leaved Pepperwori), flowers diandraus 

 apetalous, radical leaves pinnatifid those of the branches li- 

 near entire, pouch emarginate patent. ,Sr. Lightf. p. 340. 

 E. B. t. 1595. 



* I fear there is some mistake in the information obtained by Lightfoot, 

 tl.at the Iber'is amara grew in fields between Hamilton and Glasgow. Mr. 

 Hopkiik observes that it is not to be found there j and in England it is con- 

 fined to the southern parts. 



