288 DICOTYLEDONS. CRUCIFEKJE. AmbtS. 



5. Dr. muralis, stem branched, leaves ovate obtuse amplexicaul 

 dentate, pouch patent glabrous, p. 197. 



10. CAMELINA. 



Pouch subovate, many-seeded ; their valves turgid. Cotyledons 

 incumbent. Filaments without teeth. 



1. C. saliva) pouch obovate marginated, stigma simple, leaves 

 lanceolate sagittate, p. 198. 



Div. II. SILIQUOS^E. 

 ll.CARDAMINE. 



Pod linear, with the margins truncated; valves plane, nerveless 

 (often bursting elastically), narrower than the dissepiment. 



* Leaves pinnated. 



l.C. lulbifera, stem quite simple, inferior ones pinnated, superior 

 ones undivided, p. 198. 



2. C. amara, leaves pinnated, radical leaflets roundish, cauline 

 ones dentato-angulate, style oblique, stigma acute, stem root- 

 ing at the base. p. 198. 



3. C. pralensis, leaves pinnate, radical leaflets roundish dentate, 

 caulme ones lanceolate nearly entire, style straight, stigma ca- 

 pitate, p. 198. 



4. C. impatiens, leaves pinnate, leaflets lanceolate somewhat cut 

 or entire, stipules ciliated, petals linear or none. p. 199. 



5. C. hirsuta, leaves all pinnated and without stipules, leaflets 

 petiolate radical ones roundish, stam. (4 f>) equal in length 

 to the petals, stigma nearly sessile, p. 199. 



** Leaves undivided. 



6. C. lellidtfotia, leaves simple ovate entire upon rather long 

 footstalks, p. 199. 



12. ARAB1S. 



Pod linear, crowned with the nearly sessile stigma; valves veined 

 ornerved. Seedsinouerow. Co/?/7edo?zsaccumbent. Ca/.erect. 



1. A. hispida, radical leaves sinuato-lyrate lengthened below into 

 footstalks, cauline ones mostly undivided glabrous, fruit-bear- 

 ing peduncles spreading half as long as the pods. p. 199. 



2. A. thaliana, leaves subdentate pilose, radical ones subpetiolate 

 oblong, stam. as long as the petals, stem branched, pods as- 

 cending, p. 199. 



3. A. ciliala, leaves subdentate oval glabrous ciliated, radical ones 

 nearly sessile obtuse, cauline ones semiamplexicaul,stem simple, 

 p. 200. 



4. A. hirsuta, leaves all hispid dentate, cauline ones semiamplexi- 

 caul, pods straight, p. 200. 



