447 



Orclo €£iXXXIII, Cruciferae* 



Herhae annuae v, rarins perennes, interclum suffrutescentes, 

 succo aqueo, radice in perennibus saepe napiformi. Caules tere- 

 tes V. angulati, etiam in annuis sub maturitate fructus saepe fru- 

 ticoso-indurati, ramis axillarlbus interdum spinescentibus. Folia 

 simplicia, nunc omnia radicaiia, nunc caulina, pleruraque alterna, 

 rarius inferiora opposita, penninervia, dentata, pinnatilida, lyrala 

 V. varie dissecta, inferiora saepissime petiolata, superiora v. 

 summa sessilia, utplurimura auriculato-amplexicaulia, Stipulae 

 nullae. Pili simplices, furcato-ramosi v. stellati. Flores perfecti, 

 regulares, in racemis oppositifoliis, manifeste lateralibus v. «purie 

 terminalibus, primum subcorymbosis, deraum elongalis, pedicellis 

 nudis V. foliaceo-bracteatis. Calyx liber, tetraphyllus, foliolis 

 ereclis, conniventibus v. patulis, deciduis, aestivatione imbricatis 

 aut rarius valvatis, duobus lateralibus (fructus valvulis oppositis) 

 paullo demissius insertis, saepe honnihil lalioribus, basi aequalibus 

 V. deorsum gibbis aut nonnunquam calcaralis. Corollae pelala 4, 

 receptaculo inserta, calycis foliolis alterna, plerumque longiuscule 

 unguiculata, lamina integra v. emarginata, rarius bifida v, raris- 

 sime pinnatifida, aequalia aut antica interdum majora, nonnun- 

 quam omnia abortiva. Stamijia 6, receptaculo inserta, duobus 

 ante calycis foliola lateralia paullo demissius insertis, brevioribus, 

 quatuor autem ante petala sitis inter se aequilongis telradynama. 

 Filamenta subulata v. filiformia, siraplicia v. longiora dente aucta 

 aut interdum bifurca, libera v. per paria connata. Antherae in- 

 trorsae, biloculares, terminales, longitudinaliter dehiscentes. 

 Glandulae in receptaculo inter petala et ad basim foliolorura ca- 

 lycis definita. Germen liberum, sessile v. breviter stipitatum, 

 abbreviatum v. elongatum, diphyllura, carpophyllis calycis foliolis 

 lateralibus oppositis, margine trophospermia nerviformia, anticum 

 et posticum, raediante textu celluloso in dissepimentum parallelum 

 coeuntia contingentiLus hiloculare, nunc septo incompleto v. ob- 

 literato uniloculare, v, nonnunquam septis secundariis transversiin 

 pluriloculare. Gemmulae in germinis bilocularis loculis juxta 

 trophospermia intervalvularia nunc amba, nunc unicum saepissime 

 plures, rarius subdefinitae v. solitariae, pendulae v. horizontales, 

 campylotropae v. amphitropae, in germine uniloculari plerumque 

 gemmula unica, ex apice cavitatis pendula, v. in funiculo e basi 

 loculi adscendente libero uutans. Stylus terminalis simplicissimus, 

 trophospermiis coalitis conlinuus; stigmatibus duobus, patentibus 

 v. connatis, trophospermiis oppositis. Fructus elongatus (sili- 

 quosus)f V. abbreviatus (siliculosus)^ bilocularis v. seplo oblite- 

 rato unilocularis, nunc bivalvis, valvis a septo raembranaceo 

 angusto V. lato, margine trophospermia in stylura terminalem de- 

 sinentem gerente (replo), solutis, v. evalvis, valvis nempe cam 



