Ait a bis.] CRUGIFERJS. 27 



Kocks, N. Somerset and W. Gloucester, very rare ; fl. March-May. — Perennial. 

 Stems 5-10 in., ascending or erect. Radical leaves ciliate, hairs forked and 

 simple ; lobes oblong or triangular, pointing upwards. Flowers rather large, 

 cream-coloured. Pods 1 in., 3-6 times as long as their pedicels ; valves 

 1 -nerved ; style short; seeds oblong, slightly winged above. — Distrib. 

 Europe, from Spain to Hungary. — Habit of Sisymb. TUalia'na. 



3. A. hirsu'ta, Br. ; hispid 1 , stem leafy, radical leaves subpetiolate 

 toothed, cauline sessile or ^-amplexieaul, petals spreading white, pods 

 many slender erect. A. sagitta'ta, DC. ; Turri'tis hirsu'ta, L. 



Dry places, ascending to 2,700 ft. in Scotland ; local in Ireland ; Channel Islds. ; 

 fl. Juue-Aug. — Biennial or perennial. Stems 1-2 ft,, many, slender. Leaves 

 l§-3 in., obtuse or acute. Flowers small. Pods l|-2 in., very many, much 

 narrower than in A. ciliata ; style short; seeds distant, very narrowly 

 winged all round.— Distrib. Europe, temp. Asia to the Himalaya, N. 

 America. — Yak. glahra'ta, Syme ; stem and leaves glabrous or ciliated. — 

 Great Aran Is., W. Ireland, and Eastbourne, Sussex. 



Sub-sp. A. cilia'ta, Br. ; glabrous or ciliate, cauline leaves sessile, base 

 rounded, pods fewer broader, seeds closer. — Eocky shores, S. Wales, W. 

 Ireland. 



4. A. perfolia'ta, Lamlc. ; nearly glabrous, glaucous, radical leaves 

 obovate sinuate or lobed, cauline amplexieaul entire auricled, petals erect 

 pale yellow, pods many crowded slender erect, seeds sub-2-seriate. 

 Turri'tis gla'bra, L. 



Dry rocky places, local, from Perth southd. ; Ireland, Antrim only ; fl. May- 

 July. — Annual or biennial. Stem 2-3 ft., erect, with few spreading hairs 

 about the early withering root-leaves, &c. Pods 1-2 in. ; pedicel slender ; 

 style very short; seeds minute, oblong, angled* not winged. — Distrib. 

 Europe (Arctic), temp. Asia to the Himalaya, N. America. 



A. Turri'ta, L. ; stellately pubescent, leaves remotely toothed, radical 

 petioled entire, cauline narrow oblong amplexieaul, flowers bracteate, 

 petals ^bovate-laneeolate spreading, pods large long secund decurved. 

 Naturalized on castle walls, Cleish, Kinross-shire, &c. ; fl. May- July .— Peren- 

 nial. Stem 1-2 ft., rather robust, leafy. Radical leaves on barren branches 

 of the rootstock. Flowers pale yellow. Pods 3-6 in. ; valves thick, veined ; 

 seeds oblong, winged* — Distrib. Central and S. Europe. 



5. CARDAMINE, L. BllTEIl-CRESS. 



Annual or perennial herbs, usually glabrous. Leaves usually pinnate. 

 Flowers white cream-coloured or purple. Sepals equal at the base. 

 Petals clawed, rarely 0. Pods elongate, linear, compressed ; valves flat, 

 indistinctly nerved, elastic ; stigma small. Seeds compressed, not mar- 

 gined, funicle filiform ; radicle accumbent. — Distrib. Temp, and cold 

 regions, rarely tropical ; species 50. — Etym. napda/xov, a kind of cress. 



1. C. hirsu'ta, L. ; radical leaves pinnate, leaflets broad petioled 

 auricles 0, cauline narrower, petals small erect oblong-lanceolate, anthers 

 yellow, pods erect. 



