MACLOSKIE : CRUCIFER^;. 449 



alternate lobes, approximate, lanceolate, acute, multifid, with short acute 

 lobules, all tomentose with glandular and stellate hairs intermixed, green, 

 somewhat hoary. Raceme long ; pedicels hispid-glandular. Sepals glab- 

 rous or sparsely glandular-hairy, ovate, green with whitish margins ; petals 

 spatulate, white, slightly exsert. Siliqites glabrous, linear, attenuate both 

 ways, at first erect-appressed, afterwards horizontally spreading, slightly 

 longer than the pedicel. Style subsessile. Seeds 2-seriate. 

 Chubut ; in dry hills near Lago Cholila and by Carren-leofu. 



7. SOPHIA PINNATA (Walt, sub Erystmttm] Britt. (Sisymbrium canescens 



Nutt. Descurainea canescens Prantl.) 



Densely canescent ; the pubescence glandular in the stem, stellate in the 

 leaves. Stem erect, 20-60 cm. tall, slender ; branches ascending. Leaves 

 5-10 cm. long, oblong, bipinnatifid; lobes many, entire, obtuse. Pedicels 

 slender, at length spreading horizontally, 10-14 mm. long, exceeding the 

 flattish siliques. Style minute. Seeds 2-seriate. Petals pale yellow. 



(N. andS. Amer.) ; Magellan. S. Patagon., by O. A. Paterson, near Coy 

 Inlet, fruiting Nov. 13, 1896; the flowers bright yellow. N. & E. Fuegia, 

 Dusen, only on the steppes and in cultivated places. 



Port San Julian to Rio Deseado. 



S. PINNATA PATAGONICA (Speg. as Descurainea canescens]. 



" All the hairs only stellate, more or less hoary. Seeds always 2-seriate 

 in my specimens." (Speg.) 

 All Patagonia. 



S. PINNATA PURPUREOLA (Speg. as Desctirainea canescens]. 



Leaves 2-3-pinnately parted, green-purpurascent. Low with dense 

 stellate-branching hairs. 



Patagon., between San Julian and Rio Deseado. 



8. S. SAGITTATA Hook. & Arn. 



Suffruticose, tall. Leaves membranous, oblong, more or less dentate, 

 the lower sometimes all pinnatifid, their margins ciliate, the cauline sessile, 

 and auricled-amplexicaul. Racemes many or few-flowered, the lower 

 approximate to the leaves. Petals white or rose, the same size as the 



