54 



CRUCIFER/E 



all haves pinnatifid with narrow segments ; cauline. leaves linear, 

 entire; peta/s absent ; stamens 2 ; /c^^.oval, notched, winged at 

 the top. — ^^'aste places near the sea ; uacommon. — Fl. May, June. 

 Annual. 



^.* L. sath'inii (Common Cress).- -A similar plant, occurring 

 as ' an escape from cultivation ; pod more completely winged. 

 Annual. 



** Siylc distinct 

 4. L. campcstre (Field Pepperwort). — Pubescent; stem 16—18 

 in. high, erect, slightly Ijranchcd ; leaves hoary, upper ones arrow- 



TEPIDIIIM CAATP!^"STRI^'. {.Firhi Ji'e/>fiCT".ViVt'). 



base ; ant/iers yellow ;' pod rough 



with minute 

 A common 



shaped at the 



scales ; styde not longer than the notch in the pod. 



weed. — PI. May — August Annual or. biennial. 



5. L. lieteropJiylliim (Hairy Pepperwort). — More downy, more 

 woody, and more branched ; anthers violet ; pod less scaly ; st\de 

 much longer than the notch. As common as L. eanipestic. — Fl. 

 April — August. Perennial. 



6.* L. Drdha. — Stem flexuous, leafy, a foot in height, 

 branched; /?(7?'f-s- hoary, oblong, lower on'es stalked, /(//tv- (5 ;/« arrow- 

 shaped at the base ; floiL<ers many, smaU, corymbose, long-stalked ; 

 pod cordate, constricted between the valves ; valves swollen ; 

 style slender. Not indigenous. — Fl. May — June. Perennial. 



?4. Thl.(spi (Penny Cress). — Glabrous lierbs ; radical leaves 

 ro-sulate ; cauhne leaves sessile, sagittate ; /hr.vers small, white ; 



