MACLOSKIE I CHENOPODIACEyE. 369 



2. SALICORNIA CORTICOSA (Walp., var. nachtigalii.} 



Undershrub, 25-30 cm. high, many-stemmed, from a subterranean rhi- 

 zome ; joints 3 cm. long, with deep sheath. Branches erect, 6-io-jointed 

 below the spike ; the number decreasing upwards. Terminal spike with 

 4-6 pairs of slender lateral spikes starting below it. Flowers in 3*5. 

 Seed obovate, with small hairs. 



Saline swamps through all Patagonia. 



3. S. DOERINGII Ltz. & Nied. 



Erect or procumbent undershrubs, with thick, rigid decussate branches, 

 the joints 5-12 mm. long, their apex thick, ending in a low sheath. Spikes 

 peduncled, small, slightly attenuate upwards, obtuse. Flowers in 3's. 

 Fruiting calyx 3-toothed, with obscure wing. Seeds brown, minute, oval, 

 with small recurved hairs. 



N. Patagon., Neuquen; S. Patagon., in salinas by Rio Sta. Cruz; N. 

 and E. Fuegia, near tidemark. (Dusen.) 



4. S. FRUTICOSA Linn. (Forsk. sub Suceda.} 



Stem fruticose, erect, i meter high or more, with many erect, leafy 

 branches. Flowers in small axillary clusters, in 3*5, or solitary. Calyx 

 unchanged in fruit. Seeds shining, subrostellate. 



(Eur. & N. Afr.) Patagon., in saline marshes of Rio Colorado, by Rio 

 Sta. Cruz. N. Fuegia, at Catharine Point. (R. O. Cunningham.) 



(Brit. & Br. i, 583, suggest that S. ambigua MX. of E. U. S. may be 

 identical with S. fruticosa.) 



S. FRUTICOSA PERUVIANA. 



Bolivia. 



5- S. GAUDICHAUDIANA Moq. 



Stem fruticose, erect; its branches subherbaceous, ascending, joints 

 short, slightly thickened at the apex, their sheaths emarginate-bifid, with 

 acutish lobes. Spikes subsessile, slender, scarcely attenuate, obtuse, 

 winged. Calyx sub tetragonal. 



(Brazil); N. Patagon., Rio Negro. 



