32 6. CETJCIFEE^. 



shorter than its pedicel. — E. B. 586, -B. ii. 12. — Pouch com- 

 pressed, acute or rounded at the end, often i-ather inflated. Fl. 

 white. L. entire or toothed. Scape sometimes rather pilose. 

 — Very variahle in minute points. Twenty forms are figured as 

 species in Jordan's Icones. — Very common on walls, banks, &c. 

 A. III. — V. Common Wldtlow-grass. E. S. I. 



17. Cochlba'eia Linn. Scurvy-grass. 



1. C. officinalis (L.) ; radical 1. cordate-reniform stalked, $iem- 

 l. sessile oblong sinuate clasping, pouch globose or ohovoid, — E. B. 

 551, — Petioles long. Lower 1. entire or sinuate. Seeds large. 

 Style short. St. occasionally rooting and proliferous. — ^. 

 C. alpina (Wats.) ; pouch obovate, leaves smaller. E. B. 2403. 

 — Sea-coast, mostly in muddy places. /3 on the higher parts 

 of mountains. B. p VI. — VIII. Common Scurvff-grass. 



E. S. I, 



2. C. dan'ica (L.) ; /. stalked, radical 1. cordate somewhat 

 lobed, stem-1. .3 — S-lobed rather triangular uppermost subsessile, 

 pouch ovoid. — E. B. 696. R. ii. 16. — -Petioles of the root-1. very 

 long, gradually shortening as they become more distant from 

 the root. Seeds small. Style short. — Sea-coast. B. V. — VIII. 



E. S. I. 



3. C. ang'Uea (L.) ; radical I. stalked ovate-ohlcmg entire, 

 stem-l. oblong entire or toothed mostly sessile the upper ones 

 clasping, pouch ovate-oblong. — Sg. E. B. 133. — Pouch twice as 

 large as that of C. officinalis, much compressed laterally, usually 

 deeply furrowed on each side, dissepiment very narrow. Seeds 

 large. Style rather long. Lower 1. rounded below or narrowed 

 into a footstalk, PI. large. — Muddy sea-shores. A, V, English 

 Scurvy-grass. E. S. 



18. Akmoka'cia Rupp. 



[A. rustica'na (Rupp.) ; roots long and thick, radical 1. ob- 

 long crenate-serrate on long- stalks, stem-I. long lanceolate in- 

 cise-serrate or entire subsessile, pet. (white) twice as long as 

 cal., pouch ovoid 4-seeded, stigma peltate. — Coch. Armoracia 

 L. i:.^. 2323. i?. ii. 17.— St. '2— S feet high. Roots running 

 deep into the ground.— Waste ground, not native. P. V. Hoise- 

 radish.'] E. S. I. 



1. A. amphib'ia (Koch) ; roots fibrous, 1. oblong' narrowed at 

 both ends serrate or pinnatifid, pet. (yellow) twice as long as 

 the cal., pouch ovoid, "stigma capitate." — iYasfewfeMw R. Br. 

 E. B. 1 840.— St. 2—3 feet high. Submersed 1. deeply pinnatifid. 

 Ped. usually deflexed.^Watery places. P. VI. — VlII. 



E, S. ? L 



