THLASPI. IBEHIS. 37 



2. T. perfolidtum (L.) ; fruitbearing raceme elongate, pouch 

 obcordate brcadly winged above, style very short included within 

 the notch, seeds 3 4 in each cell smooth, stem-l. deeply cordate- 

 oblong. E. B. 2354. It. ii. 5. About 6 in. high. Limestone 

 in Oxfordshire and Gloucestershire. A. V. E. 



3. T. alpes'tre (L.) ; fruitbearing raceme elongate, pouch 

 oblong-obovate narrowed below, style equalling or exceeding the 

 notch, seeds 4 8 in each cell, stem-l. oblong cordate. R. ii. 5. 

 Fl. white, often tinged with rose, small. Pet. a,bout twice as 

 long as the calyx. a. T. sylvestre (Jord.), terminal lobes of 

 pouch rounded. L. usually entire, by. E. B. 146. /3. T.. occi- 

 Uinuni (Jord.) ; fruitbearing raceme rather shorter, pouch tri- 

 angular-obcordate with almost divaricate lobes, style much 

 exserted. L. usually slightly toothed. Sy. E. B. 147. 

 Mountain pastures. Teesdale ; Thornhaugh, Northumb. ; Glen 

 Jsla, Forfar. /3. Settle, York ; Llanrwst, N. Wales. P. VI. 

 VIII. E. S. 



4. T. yirens (Jord.) ; fruitbearing raceme oval or oblong, pouch 

 obovate scarcely notched, style much projecting, seeds 4 5 in 

 each cell, stem-l. oblong cordate. Sy. E. B. 148. Jord. Obs. 

 PL de Fr. iii. t. 1. T. alpestre Sm. Fl. white, small. Pet. 

 about thrice as long as the calyx. Pouch with a very broad 

 and shallow notch often almost truncate. L. usually entire. 

 Limestone rocks at Mat-lock. P. VI. VIII. E. 



21. HUTCHLNS'IA R. Br. 



1. H.petrce'a (R. Br.); 1. pinnate, st. branched leafy, fr.- 

 raceme lax long, pouch blunt at both ends. JE. B. 111. R. ii. 6. 

 tit. 65. 10. St. 2 4 in. high. Fl. small; pet. scarcely exceeding 

 the calyx. Cotyledons accumbent. Limestone rocks, rare. 

 A. III. V. E. 



22. TEESDA'LIA R. Br. 



1. T. nudicaulis (R, Br.) ; petals unequal. J?. B. 327. It. 

 ii. 6. L. many, spreading on the ground, lyrate-pinnatifid, 

 rarely orbicular-spathulate and entire. St. 2 4 in. high, solitary 

 or several from the crown of the root, sometimes bearing 1 or 2 

 small leaves. Stam. with remarkable scales. Pouch emarginate. 

 Sandy and gravelly places. A. V. VI. e E. S. I. ? 



23. IBE'KIS Linn. Candytuft. 



1. /. amdra (L.) ; herbaceous, 1. lanceolate somewhat toothed, 

 pouches racemose orbicular notched with triangular porrect 

 lobes. E. B. 52. R. ii. 7. L. usually with 13 blunt teeth on 



