* * Silicula sinu lato obcordata. 



Th. cardiocarpum (J. D. Hook et Th. Journ. Pr. Linn. Soc. 

 V, p. 176) caule erecto, foliis late oblongis subdentatis , caulinis sa- 

 giltato-amplexicaulibus, silicula obovato-obcordata alis amplis nervoso- 

 reticulatis apice dilatatis rotundatis, stigmale sessili, loculis 4-5 sper- 

 mis Q. 



Hab. in Affghania prope Kurzar (Griff !). 



Pedale, racemus fructifer 4-5 pollicaris, silicula 4 lin. Ionga. 



Th. umbellatum (Stev. in dc. Syst. II, p. 377) nanuma collo 

 soepius pluricaule, foliis parvulis dentatis radicalibus petiolatis ova- 

 tis, caulinis ellipticis auriculato-amplexicaulibus, petalis calyce sesqui- 

 longioribus, racemo fructifero abbreviato, siliculis parvis e basi valde 

 attenuata obcordatis lobis angulatis, alarum nervis radiantibus, stig- 

 mate sessili, loculis 4 ovulatis ©. 



Hab. in arenosis maritimis prope Lenkoran ad raare Caspium et in ru- 

 pestribus prdv. Talysch (C.A.M! Hoh !). 



Caules 1-2 pollicares, silicula 2 lineas circ. longa eam Capsellcz bursce 

 referens. 



Th. microstylum (Boiss. Diagn. Scr. I, VIII, p. 38) caulibus 

 pluribus ascendentibus brevibus , foliis subintegris radicalibus petio- 

 latis ovatis, caulinis longiuscule et acutiuscule auriculato-amplexicau- 

 libus, petalis pallide carneis calyce duplo longioribus, silicula oblongo- 

 subcordata sinu subangusto, alis nervulosis apice loculo latioribus, 

 stylo sinu quadruplo breviori, loculis quadriovulatis © vel 0. 



Hab. in regione media montis Cassii Syrise bor. (Boiss ! ) , in Libano 

 supra sylvam Eden (Bl!). 



Caulis 3-4 pollicaris, racemus fructifer vix pollicem longus, silicula 5 

 lineas longa apice 27 2 lata ? a Iarum nervuli reticulati parum prominuli. 



Th. perfoliatum (L. Sp. 902) caule ramoso, foliis radicalibus 

 petiolatis obovatis, caulinis amplexicaulibus longc auriculatis, piMalis 

 calyce duplo longioribus, racemo fructifero elongato, siliculis obovatis, 

 alis enerviis apfce rotundatis, stigmate sessili, loculis quadriovulatis 

 0. Rchb. f. 4183. Th. inornatum Schott (Est. Bot. Woch. IV, p. 

 145! 



Hab. in cultis totius regionis a Macedonia et Thracia (Friv ! ) ad Pa- 

 Isestinam (Boiss !), Persiam bor. (Szow! Bunge !), Affghaniam (Griff!). 



/3. microcarpum. Siliculse tertia parte minores. 



Hab. in agris schistosis prope Beylan Syr. bor. (Haussk!). 



