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Lepldium.'] YI. CEUCIFEK^ : LEPIDINEiE 



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Shallow margins of alpine lakes, not very frequent. %* 7, 

 Roots of numerous, long, white fibres. Leaves few, radical, awl- 

 shaped, 2 — 3 inches long. . Scape 3 — 4 inches high. Flowers small, 

 appearing even under water. Pouch nearly approaching that of 

 Draha^ bul with more turgid and convex valves^ having one conspi- 

 cuous middle nerve, and sometimes two fainter ones. Emhryo with 

 its cotyledons linear, long ; and the curvature takes place, not at the 

 very base of the cotyledons as in most other Cruciferm^ but above the 

 base, so that a section made below this exhibits the appearance of 

 four cotyledons without a radicle. 



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Tribe VII. Lepibtne^. Pouch tvith the valves keeled or cori" 

 vex ; or fruit shoi^t and indehiscent^ 2-celled : dissepiment very 

 narrow. Cot o||, rarely {in Lepidium) o=. (Gen. 24 — 26.) 



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24. Capsella De Cand. Shepherd's Purse. 



Pouch laterally compressed, obcordato-cuneate (or elliptical) ; 

 the valves navicular, without wings; cells many-seeded. — 

 J^ame ; the diminutive of capsula^ a capsule or little lox. 



1. C. Bursa Pastoris DC. (common S,) ; pubescent or hairy, 

 stem-leaves sessile lanceolate-sagittate, pouch obcordato- cuneate. 

 Thlaspi i. ; E. B. t. 1485. 



Corn-fields and waste places, everywhere, most abundant, Q. The 

 whole summer. — Very variable, from 3 inches to 1 — 2 feet high. 

 Leaves all generally toothed and rough with hairs; radical ones more 

 or less pinnatifid. Flowers small. 



25. Lepidium Linn. Pepper-wort. 



Pouch with the cells 1 -seeded ; the valves keeled or winofed. 

 Petals equal. Cot, sometimes o=. — Name: Xeiriq^ a scale^ 

 from the form of the little pouches. 



* Style minute» 



1. 'L, latifolium L. (broad-leaved P.) ; leaves ovato-lanceolate 

 undivided serrate or entire, pouch oval entire downy with a 

 minute style. E. B. t, 182. 



Wet shady places, near the sea and salt-marshes ; in Norfolk, 

 Essex, and Yorkshire. Weems and Donibristle, in Fifeshire, but 

 apparently only naturalized. If.. 7,' 8. — Stem 2 — 3 f^et high, 

 'branched, erect, with large leaves. Flowers numerous, small, in many 

 terminal and axillary clustered racemes. 



2. L. ruderdle L. (narrow -leaved P.) ; flowers diandrous 

 without petals, radical leaves pinnatifid, those of the branches 

 linear entire, pouch roundish-oval emarginate patent with a 

 minute style. E, B, t. 1595. 



Waste places near the sea, and among rubbish.* ©, 5, 6. — The 



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