MACLOSKIE : POLYGONACE^:. 349 



cm. long, petiole the same). Flowers glomerulate, supported by long 

 leaves. Fruit 1-1.5 mm. long, 3 outer calyx-segments small, erect, ob- 

 long, 3 inner ovate-acuminate, entire, all with large globose callus, not 

 cordate. Mtf triquetrous, fuscous. 



Patagon., 50-53 lat, by Rio Sta. Cruz. 



4. RUMEX CRISPUS Linn. 



Tall. Leaves long, to 25 cm., crisped and wavy-edged, with long 

 petioles ; oblong or oblong-lanceolate, basi-cordate, with long petiole ; the 

 upper narrower. Panicle lax, pedicels exceeding the calyx. 



(Eurasia; nat. in N. Am.); Punta Arenas; through nearly all Pata- 

 gonia; Falklands, introduced. R. crispns sanguineus, N. Patagon. S. 

 Patagon., by RR. Sta. Cruz and Chico. 



5. R. CUNEIFOLIUS Campd. 



Ascending, 30-60 cm. Leaves petiolate, obovate or cuneate-oblong, 

 obtuse, undulate-crenulate or plane. Raceme terminal, leafless. Verti- 

 cils dense, the lower rather remote. Calyx exceeding p , 



the thickish pedicels. Callus on sepals, thick. 



S. Brazil and Chili ; Chonos Archip. ; near Carmen 

 de Patagones. 



6. R. DECUMBENS Dusen. 



, , . , , . i i Rumex decumbens. 



Prostrate, glabrous perennial, from thick tap-root, Branch ^ leaves 



sending up several stems which are terete, mostly with inflorescence; magni- 

 leaves only at the verticils ; also numerous long-peti- fied fruit and achene - 

 oled, narrow-linear, very crisp radical leaves. Floral * 

 verticils i -leaved ; the lower remote, the upper crowded. Flowers perfect; 

 Perianth segments oblong, the inner apically rounded, with callus below. 

 Achenes acutely trigonal, brown, shining (Fig. 63). 



S. Patagon., near Rio Coyle (Nordenskj.); N. and E. Fuegia, "in nearly 

 all the lagunes of E. Fuegia" (Dusen). 



7. R. HIPPIATRICUS Remy. 



Glabrous. Rhizome thick, tortuose, with scaly top. Stems short, sub- 

 simple. Leaves nearly all radical, rosulate, nearly as long as the stems, 



