862 



RHOEADES. CLXXXI. CRUCIFERAE. 



«rynae inter petala et a<l basim foliorum calycis 

 numero definitae. 



Ovaricm liberum, sessile v. breviter stipi- 

 tatum, abbreviatum v. elongatum, e carpidiis 

 duobus, dextrum et sinistrum ab axi floris latus 

 respicientibus, ideo calycis foliolis lateralibus 

 oppositis compositum, carpidiorum marginibus. 

 placentas nerviformes, anticum et posticumfloris 

 latus spectantes, ideo calycis foliolis antico et 

 postico oppositas, et mediante textu celluloso 

 in septum coeuntes contingentibus, biloculare, 

 nunc septo incompleto v. obliterato unilocula- 

 re, quandoque septis secundariis tran-sversim 

 pluriloculare. Ovula ovarii bilocularis in utro- 

 que loculo juxta placentas intravalvulares nunc 

 ambas, nunc juxta unicam saepissime plura, ra- 

 rius solitaria v. subdeiinita, pendula v. hori- 

 zontalia, campylotropa' v. amphitropa, micro- 

 pyle supera v. rarius infera, in ovario unilocu- 

 lari saepius ovulum unicum, exapice loculi pen- 

 dulum, v. e funiculo e basi loculi adsccndente 

 nutans. Stylus terminalis, simplicissimus, in 

 ovario elongato brevis, in abbrevialo Iongus. 

 Stigmata 2, patentia v. in unicum connata, 

 placentis opposita. 



Fbuctus siliquosus (elongatus*), v. siliculo- 

 sus (abbrevjatus) , bilocularis v. septo oblite- 

 rato unilocularis, nunc bivalvis, valvis a septo 

 (replo) angusto v. lato, margine placentifero, 

 apice styligero secedentibus , nunc evalvis , 

 valvis nempe cum placentis pertinaciter conna- 

 tis , indehiscentibus , nunc transversim pluri- 

 locularis, in articulos discedens (lomentnm.) 



Semixa in loculis plura v. interdum solita- 

 ria, horizonlalia v. pendula, compressa v. sub- 

 globosa, funiculis liberis v. partim septo adnatis, 

 testa crassiuscnla, epidermide membranacea, 

 saepius in margiiiem v. alam expansa. 



Embryo exalbuminosus, oleosus, curvatus. 

 Cotyledones 2, integrae v. interdum par- 

 titae, supra radiculam adscendentem v, ra-, 

 rius descendentem pronae, nunc rima commis-i 

 surali eidem accumbentes (cotyledones accum- 

 benCes Q— ) et tunc semper planae, nunc dor- 

 so eidem incumbentes (cotyledones incumben- 

 tes), et tunc v. planae (Q |[) v. juxta longitudinem , 

 plicatae , radiculam amplectentes (cotyledonesl 

 conduplicatae Q>>), aut spiraliter convolutae 

 (cotyledones spirales Q\\\\) v - bis transversim' 

 plicatae (cotyledones biplicatae v. bicrures 



Ollllllll) 



Cruciferae inter Papaveraceas et Cap- 

 parideas mediae , habitu et characteribus facil- 

 lime ab iisdem distinguendae , maximo numero 

 in hemisphaerae borealis regionibus temperatis 

 generantur, nec in frigidis rarae, in hemisphae- 

 rae australis regionibus extratropicis multo 

 rariores, intra zonam torridam admodum ra- 



rae, maximaiu partem in summos montes sece- 

 dentes. Ronuullae late per terrarum orbem, 

 quaedam mortahum commercio disseminatae. 



Qualitates in omnibus antisepticae, acres, 

 plures ob herbam et radices esculentas , aliae 

 ob semina oleosa v. radicem tinctoriam passim 

 cultae. 



Generum minis fortassis multiplicatortfm 

 discriminatio in ordine vasto et smume naturali 

 dificillima , dispositio mere artificialis, nec ta- 

 men in hoc Hbro retractanda. 



SIBORDO I. PLEURORHIZEAE DC. 



Syst. I. 161. Cotyledones planae, radicu- 



lae adscendenti rimali accumbentes (O— )• 



TRIBtS I. ARABIDEAE DC. Syst. I. 

 161. Siliqua elongata, rarius abbreviata, 

 teres v. compressa, bilocularis , bivalvis, ra- 

 rissime indehiscens, valvis planis v. subconve- 

 xis aut carinatis. Semina plurima, uni-bi- 

 seriata. Cotyledones septo paralellae, inar- 

 ginibus placentas spectantes, radiculae ad- 

 scendenti, placentam oppositam spectanti, ac- 



cumbentes. Herbae cosmopolitae , inter- 



dum suffrutescentes. 



■ 4945. YIutlEiloli» R. BR. Calyx tetra- 

 phyllus , foliolis erectis, dnobus lateralibus basi 

 saceatis. Corollae petala 4, hypogyna , ungui- 

 catata, limbo patente, obtivato v. oblongo. Staini- 

 ha 6, hypogyna, tetradynama, edcntula, longio- 

 ra basi ditatata. Stigma incrassato-bilobum. Si- 

 Hqua bivatvjs, teres v. compressa, elongata, val- 

 vis ptanis , placentis dorso obtuais, stigmatis lobis 

 conniventibus dorso incressatis v. cornigeris, ecpto 

 enervi. Semina plurima, compressa, uniseriata, 

 penduta, saepins marginata, funiculis fililormilnis, 

 Iiberis. Embryonis exalbuminosi cotyledones 

 planae, radicntae adscendenti accumbentes. — 

 Herbae me d iter r anea e , interdum suffrutescen- 

 tes, erectae v. diffusae , ramosae, tomento stellato 

 molli albidae , interdam glandulis pedicellatts sca- 

 brae ; foliis alternis , oblongis , integris v. dcntato- 

 sinuatis , racemis terminalibus , pedicellis ebractea- 

 tis,jloribus albis } sordide purpurasccnttbus v.pur- 

 pureis } saepe odoratis. 



Matthtola R. Brown in Aiton Ilort. Kev. edit. 2. 

 IV, p. H9. DC. Sjst. II. 162. Prodr. I. 132. Meisner Gen. 

 10. (lO.y L e n c o i u ui Monch Method. 257. C h e i r a n t b i 

 8 p. Linn. et Auct. 



a. PACHYNOTUM DC. /. c. S t i g ip a t a dorso incrasaata, 



Linn. f. Decad. 31. t. 16. Schkuhr t. t84. Jacq. Hort. 

 Vindoh. t. 179. E. B. t. 462. Sibthorp Flor. graec. 

 t. 640. 



b. LUPERIA DC. I. c. Stigmata dorso crassa v. gtbba. 

 haud cornigera. Petala oblonga , undulata r. obiiqua, 

 sordide e flavo purpurascentia. _ Cheiranthi sp. 

 Linn. Sibthorp Flor. graec. t. 636. Bot. Mag. t. 729. 

 Hesperidis sp. Palias /c. *. 6. tBot. Mag. t. 1711.) 



c. PINAEUA DC. /. c. Stigmata dorso tn cornua valvls 





longa, undulii 



. 



