426 



CKTJCIFEKAE (MUSTARD FAMILY) 



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



■^ 5. L. CAMPESTKE (L.) E. Bv. Mimite\y soft doiony ; leaves 

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

 the style longer than the narrow notch. — 

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

 fromEu.) Fig. 746. 



6. L. DkXba L. Perennial, obscurely hoary ; 

 leaves oval or oblong, the upper with broad clasp- 

 ing auricles ; flowers corymbose ; pods heart- 

 shaped, loingless, 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. Draha. 

 Part of fruiting 

 raceme x %. 



748. C. didjrmus. 



8. C0R6W0PUS Ludwig. Wart Ckess. Swine Ckess 



Pod flattened contrai-y 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 Kopiivn, 

 crow, and iroiis, foot, from the deeply cleft leaves.) Sene- 

 BiERA Poir. 



I'' 1. C. dIdtmus (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. PROCiJMBENS Gilibert. Leaves less di- 

 vided, with narrower lobes ; pods not notched 

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

 Senebiera Coronopus Poir.) — Ballast, infrequent, 

 much rarer J^han the preceding species. (Adv. 



Leaf and pod X 2%. from Eu.) FiG. 749. 



749. C. procumb. 

 Pod X 2%. 



9. SUBULARIA L. Awlwort 



Pod ovoid or globular, with a broad partition ; the turgid valves l-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. aqu4tica L. The only species. — Margins of lakes and slow streams, 

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

 (Eu., Siber.) 



10. CAPSilLLA 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.) 



]. C. Bijrsa-past6ris (L.) Medic. Stem«leaves arrow-shaped, sessile. 

 (Bursa Brrtton.) — 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. CAM6lINA Crantz. False Flax 



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

 l-nerved. Seeds numerous, oblong. Cotyledons incumbent. Style slender. 

 ]Flower3 small, yellow. (Name from ;)(a/ia(, dwarf, and Mvor, fktic.^ 



