360 PATAGONIAN EXPEDITIONS I BOTANY. 



S. Patagon., by R. Chico de Sta. Cruz; in fields by Lago Colu-huapi. 

 Plant varying greatly by leaves, mealy to green, perigon not very 

 carinate, seed black, in a thin utricle, more or less adherent. (Speg.) 



ii. CHENOPODIUM MACROSPERMUM Hook. f. 



Glabrous, not glaucescent; stems stout, rather succulent, divaricately 

 branching below. Leaves petioled, fleshy, deltoid-oblong, obtuse. 

 Racemes compound, densely flowered, leafless, bracted. Seeds large, 

 erect, reticulate. 



Falklands ; used as a potherb. S. Patagon., by R. Sta. Cruz. 



12. C. MURALE Linn. 



Annual. Stem herbaceous, ascending, sulcate-angulate, branching. 

 Leaves petiolate, ascending, ovate-rhombic, acute, unequally and acutely 

 toothed, thin, shining, green on both surfaces. Racemes divaricate- 

 cymose, subcorymbose, rather lax and nearly leafless. Fruiting calyx 

 usually closed, subcarinate. Seed with an acute margin, punctate-rugose, 

 opaque. 



(Old World); N. Patagon., common by the wayside near Carmen. 



13. C. PATAGONICUM Phil. 



Low, branching from the base, green. Leaves petioled, ovate or ob- 

 long-triangular, subtruncate at base, or trapezoid, entire, or with a tooth 

 at the base on each side ; upper leaves simpler. Floral glomendes shorter 

 than the petioles. Seed rounded dorsally, opaque. 



Valley of Rio Palena, in W. Patagon. 



14. C. PURPURASCENS Jacq. 



Annual, with herbaceous, erect, angular, branching stem. Leaves with 

 slender, long petioles, spreading, rhomb-ovate, obtuse, mucronulate, thin, 

 subpulverulent, obscurely green, at length purplish ; lower leaves auricu- 

 late, sinuate-dentate ; upper ones lanceolate, entire. Racemes paniculate, 

 compact, leafless. Fruiting calyx completely closed, carinate-costulate. 

 Seed with an obtuse margin, smooth, not shining (whitish). 



(Asia; S. America); not rare by the waysides near Carmen de Pata- 

 gones. Seed lenticular to subglobose, with small rostellum. 



