CRUCT]''ERyE. 



17 



G. heterophyllutn. Silicle elliptic, hardly 

 emarginate, smooth. Style filiform, exsert. 

 Root L. entire and toothed, or lyrate. Stem L. 

 erect, cordato-sagittate. p. Vallee d'Eynes. 

 Pyr. — Benth. 



7. humifusum. Silicle ovate, hairless. 

 Root L. lyrate and ovate. Stem L. sagittate, 

 entire. Stems prostrate, pubescent. Flower- 

 stalks pubescent, p. 4, 5. Mjis. Corsica. 



8. bonannianum. Silicle winged at the 

 top. Style exsert. Fruit-stalks spreading, 

 or deflexed. Root L. lyrate and obovate. Stem 

 L. semi-amplexicaul, with small rounded ears. 

 Stem ascending, a. and p. 5-7. Open hill 

 pastures. Madoiiie, &c. Sicily. 



C. Silicle emarginate. Valves keeled and 

 with a narrow wing at the top only. Style 

 very short. Fl. very small. Number of 

 parts often incomplete. 



9. ruderale. Silicle ovate, spreading, short- 

 er than pedicel. Fl. diandi-ous, apetalous. L. 

 smooth ; lower pinnatifid ; upper linear, entire. 

 a. 5-7. TJncult. 



10. perfoliatum. Silicle elliptic. Lower 

 L. stalked, pinnate, multifid; uppermost cor- 

 date, amplexicaul, entire, a. 5, 6. Fields. 

 Lower Aus. 



I>. Silicle entire. Valves keeled, wingless. 

 Style very short. 



11. latifolium. Silicle ovate, apiculate. 

 L. ovato-lanceolate, undi^dded, somewhat ser- 

 rate ; the lower on long stalks, p. 7- Moist. 



13. ^aminifolium. Silicle ovate, api- 

 culate. Root L. incise, or pinnate ; stem L. 

 linear, entire. Stem branched, p. 6-10. 

 TJncult. m. and s. Eur. 



42. BIVONEA. 



1. lutea. Pouch 2-6-seeded. Stigma nearly 

 sessile. Lower L. stalked; upper cordate, 

 amplexicaul. a. 2-3. Dry hills. Sic. 



43. ^THIONEMA. 



1. saxatile. Pouch obcordate, many-seeded. 

 Style very short,. Larger stamen toothed. 

 Rac. of fniit long. p. a. 3, 4. Dry calc. s. 

 Eur. 



2. thoxnasianuiu. " L. somewhat fleshy, 

 eUiptic, obtuse. Rac. of Fr. condensed. 

 Silicle orbicular, cordate at base. Seed 1, 

 smooth, a. 7. Val di Cogue above Aoste." — 

 Bert. 



44. SUBULARIA. 



1. aquatica. L. subulate, a. 7- Bottom 

 of lakes. Britt. Vosgcs. Holsacc. 



45. SENEBIERA. 



1. pinnatifida. Silicle didymous. L. 

 pinnatifid. Lts. somewhat incise. Style very 

 shoi"t. a. 7. Seaports, uncult. 



2. Coronopus. Silicle vm divided, crested 

 with little sharp points. Style prominent. L. 

 pinnatifid, subdivided. Spreads flat on the 

 ground, a. 6-9. TJncult. 



Tiibe III. ALTSSINEM 



46. COCHLEARIA. 



A. Longer Fil.genicicl ate! Silicle generally 

 somewhat ^-edged at the base. Stig- 

 ma 2-lobed. 



1. saxatilis. Silicle lentifonn, smooth. 

 Root L. oblong, dentate, haiiy. Stem L. 

 linear-oblong, p. 6-8. Rocks and stony, s. 

 Europe. Seems ill placed in this genus. 



|3. auriculata. Stem L. amicled at the base. 

 Calc. rocks, high. Auvergne. Savoy. Pyr. 



" L. of both sorts are sometimes found on 

 the same plant. Incumbent and acciunbent 

 cotyledons are foimd in different seeds in the 

 same cell." — Koch. 



S. Fit. not geniculate. 

 * Valves of Silicle nerveless. 



2. brevicaulis. Seeds minutely tubercled. 

 Corymb bracteate. L. oblong, attenuate, 

 nearly entire ; lower crowded, p. (■w. Bert.) 



7, 8. Stony, s. Tyr. very rare. 



3. armoracia. Seed smooth. Root L. 

 oblong, crenate. Lower stem L. lanceolate, 

 pectinato-pinnatifid. R. lai-ge and fleshy, p. 

 5. Moist clay. Escapes. 



* * Valves of Silicle with a prominent nerve. 



Seeds finely tubercled. 



4. glastifolia. Silicle nearly globose. Stem 

 L. cordato-sagittate, amplexicaul, acuminate, 

 quite entire, a. b. 5-7. Fields. Sisteron in 

 Dan. Cors. 



5. anglica. Silicle ellipsoid, strongly re- 

 ticulate. Root L. ovate, entii'e. Stem L. 

 mostly sessile, oblong ; uppermost amplexicaul. 

 a. 5, 6. Muddy shores. Eng. Britt. n. 

 Germ. 



