156 PATAGONIAN EXPEDITIONS I BOTANY. 



SOPHORA L. 



S. TETRAPTERA J. Mill. Mad., p. 495. 



N. W. Patagonia ; W. Patagonia, at least to Rio Aysen ; Chonos 

 archipelago; S. Chili. 

 Macl., p. 493 : 



HOFFMANSEGGIA FALCARiA Cav. (instead of Gay). 

 North Patagonia, Territory of Neuquen. 



ANARTHROPHYLLUM Benth. 



Stipules united at base with the sessile leaves, forming a stem-surround- 

 ing ring. 



A. RIGIDUM (Gill.) Hieron. 



Flowers yellow, solitary at apex of branches. Weak, laterally hairy 

 shrubs, with simple or tripartite leaves, nearly pungent. Argentina. 

 Found by Hatcher at Rio Sta. Cruz, Mid-Patagonia, in fruit Feb. (deter- 

 mination verified by Dusen). 



A. MORENONIS Ok. Macl., p. 497. 



Should be deleted, being a form of A. desideratum Benth. 

 Add Macl., p. 498 : 



A. PRICHARDI Rendle. 



Undershrub, 10-12 cm. high, with habit of A. desideratum, \\ith per- 

 sistent leafsheaths. Leaf-segments 6 mm. long; stipules shorter and 

 broader; margins of segments rolled in on the hairy upper face. Dis- 

 tinguished from A. desideratum by the deeply cut anterior calyx ; lip 

 3-toothed, hinder segments triangular, obtuse. 



Top of Mt Frias. 



S. Patagonia, in the mountains by Lago Argentine. 



A. TONTNII Ok. Macl., p. 498. 



Should be transferred to A. rigidum (Gill.) Hieron., as a variety of 

 that species. 



Common in S. Patagonia, in transversal valleys by Rio Sta. Cruz and, 

 especially, on fields of drifting sand near the eastern part of Lago Argen- 

 tine. Here the bushes are very often 2 m. high or still higher. 



