MACLOSKIE I CRUCIFER^E. 439 



uppermost usually the largest ; the others narrow to oblong, or rounded, 

 toothed or incised. Flowers white ; petals twice as long as the sepals. 

 Siliques strict, tetragonal, glabrous, twice as long as the pedicels (34- 

 50 mm.) 



Patagon., at Punta Arenas. 



15. CARDAMINE TUBEROSA Dmb. 



Perennial, hairy or villous. Lower leaves lyrate, 1-2(3) pairs of leaflets, 

 the terminal or all reniform ; cauline leaves with the terminal part smaller. 

 Corolla 8-10 mm. 2-3 times as large as the calyx. Siliqiies 3-4 cm. ; 

 pedicels 1.5-2 cm. Style short, stigma capitate. Height 25. cm. 



(Chili.) ' 



C. TUBEROSA VELUTINA Speg. 



Smaller than the species ; stems and leaves very velvety-hispidulous ; 

 Style of fruit longer. 



Patagon., on dripping hills near Putra-choique. 



13. SCHIZOPETALUM Sims, (non Boiss.). 



Erect annuals, hoary, with branching hairs. Leaves sinuate-toothed to 

 pinnatifid. Raceme bracted. Petals white, pinnately lobed. Silique 

 linear, its valves I -nerved, reticulate. Seeds i -seriate, globose to oblong. 

 Cotyledons incumbent, twisted, bifid. 



Species 5, Chili, etc. 



S.(?) FUEGIANUM Speg. 



Farinose. Stem thick, woody. Lower leaves rosulate, ovate-elliptical, 

 long-petiolate, pinnatifid ; the lobes broad, obtuse. Upper leaves shorter, 

 uppermost sessile. Floriferous branches few-leaved, long-spiked. 



Patagon., maritime rocks ; Fuegia, on rocks by Elizabeth I., etc. 



("Ob petala integra a Schizopetalo removenda," v. sub Sisymbrio. 

 C. Speg.) 



14. LESQUERELLA S. Wats. (Vesicaria Lam., p.p.) 



Low herbs, with stellate hairs, simple leaves, and usually yellow racemes. 

 Petals entire. Anthers sagittate. Silicle usually inflated, globose or 

 oblong ; the valves nerveless ; the septum nerved in the upper half. 

 Seeds several, flat. Cotyledons accumbent. 



Species 32, Greenland to Pacific Amer. and middle United States. 



