MACLOSKIE: REVISION OF FLORA PATAGONICA. 109 



PROSOPANCHE BURMEISTERI De Bary. 

 Is synonym of P. americana O. Kuntze. 

 P. 354, line 13, add ttiz genus of Polygonaceae : 



DUSENIELLA K. Schum. 



Syn. Dusenia, O. Hoffm. in Dusen's Beitrage zur Flora von Ostpata- 

 gonien (non Dusenia Broth, genus Muscorum}. 



Head homogamous, discoid, several sessile at the ends of branches ; 

 involucre many-seriate ; bracts imbricate, the outer acute, the inner acumi- 

 nate ; receptacle slightly convex, naked ; corolla tubular, regular, slightly 

 widened above. Anthers tailed at base, the tail not partite ; arms of style 

 short, semicylindric, without adhesive hairs ; fruit turbinate, silky-hairy. 

 Pappus of 10 hyaline, pointed scales, in 2 rows. 



D. PATAGONICA (O. Hoffm.). 



Low annual shrub, branching from the ground ; leaves linear-oblong, 

 the lower opposite, the upper alternate. 

 S. Patagonia, by Rio Chubut. 



Fam. 32. CHENOPODIACE^E. Macl., p. 354. 



From my own experience, I know the Patagonian Chenopodiaceae too 

 little to engage in revising them. I shall, therefore, confine myself to 

 indicating some obvious errors of Macloskie's representation, and to 

 complete his statements of the geographical distribution of their species 

 D. 



P- 358 :' 



CHENOPODIUM ANTARCTICUM (Hook, f., sub Blitum] Spegazzini 



(fide T. Stuckert). 



Stem ascending, sparsely papillose; leaves deltoid-ovate, deeply and 

 irregularly sinuate-dentate, the lobes lobulate ; petioles as long. Flowers 

 glomerate, the glomerules sessile, compound, axillary and in a leafy ter- 

 minal spike. Leaflets of the 3-leaved perigonium overtopping the utricle, 

 linear spatulate ; seeds erect orbicular, punctulate, with an obtuse margin. 



South Staten Island. 



