Ord. 1.] TETRADYNAMIA SILICULOSA. 133 



Marit. cliffs ; not native. If. 8, 9. Fl. white, honey -scented. Seed* 

 solitary. 



320. CAMELlNA. Gold of Pleasure. 



1. C. sativa, Alyssum sativum, 18. 1254. (Common G.) Pouches 

 obovate, bordered, twice as long as the style. Leaves lanceolate- 

 arrow-shaped. 

 Cult. f. ; not native. 0. 6. Smoothish, \h f- Fl. small, pale yellow. 



321. LEPlDIUM. Pepperwort. 



1. L. latifolium, 3. 182. (Broad-leaved P.) Leaves ovate-lanceolate, 



undivided, serrated. Pouch oval, entire. 



Saltish marshes. If. 7. Glaucous, 3 f. Fl. small, white. 

 *1. L. Drdba, Suppl. 2683. (Whitlow P.) Leaves amplexicaul, 

 broadly oblong or lanceolate, entire or toothed. Pouch cordate, 

 entire at the apex, crowned with a style about its own length. 



Fields and hedges, rare : S. Wales and Kent. If. 6. Naturalized f 



2. L. ruderdle, 23. 1595. (Narrow-leaved P.) Stamens two. Petals 



none. Leaves smooth ; lower ones pinnatifid, toothed ; upper 

 linear, entire. Pouch notched. 

 Waste gr. near the sea. $ . 6. If. L. fleshy. Fl. minute. 



3. L. campestre, Thlaspi camp. 20. 1385. (Mithridate P.) Pouch 



scaly, notched ; bordered at the summit. Style very short. Stem- 

 leaves arrow-shaped, toothed. 

 Fields. 0.7. Downy. 1 f. Pet. small, white. Seeds solitary. 



4. L. hirtum, Thlaspi hirtum, 26. 1803. (Hairy Mithridate P.) Pouch 



often hairy, not scaly, bordered at the summit. Style prominent. 

 Stem-leaves arrow-shaped, slightly toothed. — L. Smithii, Br. Fl. 

 Fields. If. 6. Finely hairy. Seeds solit. 



322. HUTCHlNSlA. Hutchinsia. 



1. H. petrcea, Lepidium petraeum, 2. 1 1 1 . (Rock H.) Leaves pin- 

 nate, entire. Petals scarcely equal to the calyx. Stigma sessile. 

 Seeds two in each cell. 

 Limest. rocks. $ . 3, 4. Stem branch. 2 — 3 in. smooth, Fl. s?nall, 

 white. 



323. TEESDlLIA. Teesdalia. 



1. T. nudicaulis, Iberis nudic. 5. 327- (Naked-stalked T.) Petals 

 unequal. 

 Dry, gravelly fields. 0.5. L. lyrate. Fl. minute, white. 

 [T. regularis, (Lepidium nudicaule of Linn.,) the only species 

 known besides, has equal petals. ~\ 



324. THLASPI. Shepherd's Purse. 



1. T. arvense, 24. 1659. (Penny Cress.) Pouch orbicular, nearly flat, 

 shorter than its stalk. Leaves smooth, oblong, toothed. Stem 

 erect. 

 Fields, rare. . 6, 7. Fl. small, white. Pouches large, erect. 



