P. dentata Barn. "Chili. - E.C. Reed, 19 may 1875" lower leaves dentate, pub. with denticuli trich., stems pub. - unbranched, 2 dm.; fls. reflexed; siligues pubescent with dense rather large denticule hairs. sepals 7-9 mm.; petals almost twice the length. P. gayana Barn. "Trenel, Viña del Mar, Salinas, Valparaiso) 24/7/82!" stems 1 dm., pub., whorled lobed , petiolate, pubescent with branched trich.; ped. 1 cm. or more [in fl.] sepals pub., nearly 1 cm.; petals yellowish brown, nearly twice length of sepals, deeply lobed, 5 mm. across at widest part. S. supetris Barn. (Pangandria) " Baños del duca", 15/1/86, Philippi & Borchers. stems branched, 6-10 cm., pub., lvs petiolate, lobed, densely pub. with branched trich.; ped., 3-6 mm.long, pub., reflexed [not strictly]; sepals 7-9 mm., pub., petals ca. twice length; siligues very crooked , densely pub., 1 mm. style, filaments seemingly equal