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SCHOUWIA BRÀSSICÆFOLIA, Nob.
SCHOUWIA, D. G., Syst., vol. 2, p. 64-3; Id., Prodr., vol. 1, p. 224..— Endl., Gen.,
p. 885.
Sepala 4» decidua, suberecta, laxa, ecarinata, esaccata, herbacea, subcolorata, membrana-
ceo-marginulata, biformia : lateralia naviculari-oblonga; anticum et posticum planiuscula,
oblonga, apice subcucullata, lateralibus angustiora. Petala 4 » æqualia, decidua, violacea,
spathulata, sensim in unguem angustata. G landulæ hypogynæ 6, minimæ : 4 geminatim se-
palis lateralibus antepositæ staminaque imparia utrinque adstantes, denticuliformes ; 2 sin-
gulatim staminibus paribus interpositæ axique sepalorum responderitium antepositæ, subu-
lato-filiformes. Stamina 6,tetradynama; imparia subincurva, paribus paululo breviora ; paria
recta, erecta, subdivergentia. Filamenta edentula, libera, compressiuscula, Janceolato-linea-
ria. A ntheræ lutescentes, basi affixæ, dithecæ, introrsæ, sagittato-oblongæ, connectivo ex-
currente cuspidulatæ; staminum imparium paululo quam parium majores. Ovarium crasse
stipitulatum, biloculare, dissepimento angusto contrarie subpiano-compressum, ovale v.
suborbiculare, ecarinatum, submembranaceo-marginatum, apice abrupte in stylum produc-
tum; nervi placentarii filiformes, subinclusi ; loculi 1 i - i 5-ovulati- Ovula subhorizontalia,
biserialia; funiculi capillares, elongati. Stylus terminalis, accrescens, crassus, conico--colum-
naris, tetrogano-anceps, ovario brevior. Stigma terminale, ovato-conicum, crassum, margi-
nibus dense papillosum (unde quasi utrinque decurrens), apice bilobulatum : lobulis acutis,
subrecurvis, nervis placentariisrespondentibus. Silicula bilocularis, bivalvis, polysperma, stylo
accreto conico-pyramidato tetraquetro cuspidulata v. rostrata, crasse stipitulata, subplano-
compressa (dissepimento contrarie), circumalata, cordato-ovalis v. cordato-orbicularis, plus
minusve emarginata. V alvæ deciduæ, chartaceæ, reticulatæ, compresso-naviculares, dorso
alatæ (ala lata, concolore, opaca, reticulata), marginibus subincrassatæ et demum revolutæ.
N ervi placentarii inclusi, crassiusculi, trigoni, dorso carinulati. Dissepimentum angustum,
lineare, membranaceum, semi-pellucidum, enervium. F uniculi longiusculi, filiformes, persistentes,
absque ordine alii horizontales alii declinati v. subpenduli. Semina cujusve loculi
in series binas irreguläres superposita, decidua, suspensa v. horizontalia, subglobosa, fævi-
gata, hinc radicula prominùla subcarinata. Integumentum chartaceum, madefactione muco-
sum. Etbryo orthoploceus ; cotyledones carnosæ, complicatæ, subreniformes, breve petio-
latæ, inæquales : exterior major at tenuior interiori eamque amplectens; interior minor at
crassior, radiculam semi-includens; radicula ascendens, cotyledonibus subbrevior, subar-
cuata, clavato-columnaris, acutiuscula.
Plantæ annuæ, glaberrimæ, glaucescentes, paniculato-ramosæ, habitu foliis et floribus
Moricandiam arvensem (D. G.) referentes. Gaulis angulosus, striatus. F olia sparsa, subcar-
nosa, pennivenia, integerrima v. dentata v. crenata, infima in petiolum angustata proxime
sequentibus minora, reliqua sessilia basi cordato-v. subsagittato-auriculata plus minusve
amplexatilia ; caulina superiora ramealiaque gradatim minora. F lores conspicui, racemosi.