MACLOSKIE : EUPHORBIACE/E. 555 



Leaves broad-ovate to orbicular, basi-truncate to cordate, crenate, or 

 lobed. Flowers subsessile or long pediceled. 



(Andes, Fernandez); Magellan, by mountains and woods; Fuegia. 



DVSOPSIS GLECHOMOIDES HIRSUTA. 



In Fernandez, and at Punta Arenas. 



4. AONIKENA Speg. (Nova Addenda ad Fl. Patagon., 



p. 162, 1902.) 



Rupkorbiacea, crotonea, chrozophorea, eleiitheropetala. 



Male flowers: calyx in the bud ovoid, acute, closed, in anthesis valvately 

 5-partite ; petals 5, shorter than the calyx, denticulate ; disc inconspicuous ; 

 stamens 5, filaments united at base into a column, alternating with the 

 petals ; anthers ovate, always erect, dorsifixed, the locules parallel, laterally 

 dehiscing ; no rudiment of an ovary. Female flowers : calyx as in males, the 

 sepals scarcely larger ; petals and disc-glands none ; ovary 3-locillar ; styles 

 spreading, free from the base, slightly bifid below the middle ; the branches 

 slender apically, obtuse, entire ; omtle in the locules solitary. Capsule when 

 dry tridymous, separating into 2-valved cocci. Seeds non-carunculate, 

 testa subpapillose-porous ; endosperm fleshy, greenish ; embryo straight ; 

 radicle cylindrical ; cotyledons plane, very short, and very broad. Tender, 

 glabrous annual ; leaves alternate, plane, entire, petiolate ; spikes axillary, 

 slender, floriferous above the middle, the flowers somewhat remote, sessile, 

 the lower female, the upper male. Caps^lles glabrous, smooth. 



Named from Aoniken, the savages of southern Patagonia, also called 

 the Tehuelches. 



A. PATAGONICA Speg. 



Small, effuse, stems green or purple, obsoletely and obtusely sub- 

 angulate, rather fleshy. Leaves orbicular to ovate, long-petiolate. Spikes 

 twice as long as the subtending leaf, 5-y-flowered. Flowers small, the 

 lower 3-4 female. Sepals acute, reflexed after dehiscence of the capsules, 

 adorned with the columella persisting in the center. Seeds cinereous, 

 subglobose. 



S. Patagon., in sandy elevated places by Rio Chico, near Chonkenk- 

 aike. 



