Vlex.thal. 80. CRUCIFERiE. 439. Teesdalia. 69S 



Teesdalia irregular} s. Irregular heath-cress. 



Leaves lyrate; petals irregular. 



Nasdirtium petraeum, iZflj/ Sj/n. 303, 2. 



Bursa pastoria minima, Ger. em. 276, 2. > 



Iberis nudicauiis, Lin, S. P. 907. 



Teesdalia nudicaulis, R. Brown in Hort. Kew. 4, 88. 



Shepherd's cress. Small shepherd'' s purse. 



Barren heaths ; annual ; May. 



Stems many, mostly simple; central upright, stiff, mostly 

 leafless; side-stems ascending, leafy; roo/-/eaye5 lying flat ; 

 corymb! at first in heads, become racemose. 



XXIII. 440. IBERIS. Dioscorides. Candy-tuft. 

 Siliculce nicked, valveless, boatshaped, winged ; cells 



1-seededj petals unequal. 



Iberis amara. Bitter candy-tuft. 



Plant herbaceous ; leaves lanceolate, rather pointed, 

 slightly toothed, bald; jiowers racemose. 



Thlaspi amarum, Ger, em. 263, 5. 

 Iberis ainara, Un. S. P. 906. 

 Clown s mustard. 



Chalky fields ; annual ; July. 



Herb bald, bitter ; stems diffused, branched ; leaves lan- 

 ceolate; corymbi spiked, many-flowered; petals white. 



XXIV. 441. LEPIDIUM. Dioscorides. Pepper-wort. 

 Siliculce 2-valved; valves boatshaped; cells 1 -seeded; 



petals equal. 



a. Lepidium. Siliculce not nicked, margined all round. 



\. Lepidium latifolium. Broadleaved pepperiuort. 



I^eaves lanceolate, undivided, serrated or imcut; siliqucB 

 oval, not nicked. 



Lepidium latifolium, Rail Syn. 304 ; Lin. S. P. 899. 

 Raplianus sylvestris officinarum Lepidium, ^gineliE Lobelii, Ger, em. 

 241,2. 



Pil)eriti3, sive Lepidium vulgare, Park, 855. 

 Dittander. Pepperworf. 



Salt marshes and clifts by the sea ; perennial ; July. 



Stem 3 feet high, upright, branched, panicled ; leaves 

 glaucous, pointed ; petals white, not cut ; stamens 6. — 

 Plant acrid, antiscorbutic ; in infusion vomitive. 



