426 



CKUCIFEKAE (^MUSTAKD FAMILY) 



* * Stem-leaves with a sagittate partly clasping base, rather crowded. 



5. L. CAMPESTRK (L.) R. Br. 'Mmnte]y soft do icny ; leaves 

 arrow-shaped, somewhat toothed ; pods ovate, winged, rough, 

 the style longer than the narrow notch. — 

 Fields, roadsides, etc., becoming common. (Nat. 

 from Eu.) Fig. 746. 



6. L. Draba L. VeTex\m?i[, obscurely hoary ; 

 leaves oval or oblong, the upper with broad clasp- 

 ing auricles ; flowers corymbose ; pods heart- 

 shaped, icingless, thickish, entire, tipped with a conspicuous 

 style. — Waste places and cultivated grounds ; not common. 

 (Nat. from Eu.) Fig. 747. 



746. L. campestre. 



Part of fruiting- 



raceme x %. 



T4T. L. Draba. 



Part of fruiting 



raceme x %. 



748. C. didjrmu?. 

 Leaf and pod x 2%. 



8. COR6nOPUS Ludwig. Wart Cress. Swine Cress 



Pod flattened contrary to the narrow partition ; the two 

 cells indehiscent, strongly wrinkled or tuberculate, 1-seeded. 

 Cotyledons narrow and incumbently folded transversely. — 

 Diffuse or prostrate fetid annuals or biennials, with minute 

 whitish flowers. Stamens often only 2. (Name from Kopibvr], 

 crow, and irovs, foot, from the deeply cleft leaves.) Sexe- 

 BiERA Poir. 



1. C. DiDYMus (L. ) Sm. Leaves 1-2-pinnately parted; 

 pods notched at the apex, rough-wrinkled. (Senebiera Pers.) 

 — Waste places, chiefly near ports. (Adv. from the Old 

 World and now widely distributed as a cosmo- 

 politanweed.) Fig. 748. 



2. C. PROCUMBENS Gilibort. Leaves less di- 

 vided, with narrower lobes ; pods not notched 

 at the apex, tubercled. (C. Coronopus Karst. ; 

 Senebiera Coronopus Poir.) — Ballast, infrequent, 

 much rarer than the preceding species. (Adv. 749. c. procumb. 

 fromEu.) Fig. 749. Pod x 22/3. 



9. SUBULARIA L. Awlwort 



Pod ovoid or globular, with a broad partition ; the turgid valves 1 -nerved. 

 Seeds several. Cotyledons long and narrow, incumbently folded transversely, 

 i.e., the cleft extending to the radicular side of the curvature. Style none. — 

 A dwarf stemless perennial, aquatic ; the tufted leaves awl-shaped (whence the 

 name). Scape naked, few-flowered, 2-8 cm. high. Flowers minute, white. 



1. S. aqudtica L. The only species. — Margins of lakes and slow streams, 

 Nfd. to B. C, southw. to centr. N. E., Wyo., and Cal. ; local. Aug., Sept. 

 (Eu., Siber.) 



10. CAPSELLA Medic. Shepherd's Purse 



Pod obcordate-triangular, flattened contrary to the narrow partition ; the 

 valves boat-shaped, wingless. Seeds numerous. Cotyledons incumbent. — 

 Annuals; petals small, white. (Name a diminutive of capsa, a box.) 



1. C. Bi'-RSA-PASTORis (L.) Mcdlc. Stem-leaves arrow-shaped, sessile. 

 (Bursa Britton.) —Common weed ; Apr. -Sept. (Nat. from Eu.) — Extremely 

 variable in foliage and outline of pod. Upon these characters Almquist has 

 proposed sixty-three forms or elementary species. 



11. CAMELINA Crantz. False Flax 



Pod obovoid or pear-shaped, pointed, maririned ; partition broad ; valves 

 1-nerved. Seeds numerous, ol)long. Cotyledons incumbent. Style slender. 

 Flowei-s small, ydlow. (Name from x°-t^'h dwarf, and \ivov, flax.) 



