ZYGOPHYLLACEAE. 



Determined by Alfred Rehder and E. H. Wilson. 



NITRARIA L. 



Nitraria Schoberi Linnaeus, Spec. ed. 2, 638 (1762). — Pallas, Fl. 

 Ross. I. pt. I. 79, t. 50 (1784). — Gaertner, Fruct. I. t. 58 (1788). — 

 De Candolle, Prodr. III. 456 (1828). — Hance in Jour. Bot. XXI. 

 296 (1883). — Hemsley in Jour. Linn. Soc. XXIII. 97 (1886).— 

 Franchet in Nouv. Arch. Mus. Paris, ser. 2, V. 214 (PL David I. 62) 

 (1883). — Komarov in Act. Hort. Petrop. XXIX. 154 (1908). 



Western Szech'uan: near Monkong Ting, valley of Hsao-chin 

 Ho, alt. 2300 m., rare, June 27, 1908 (No. 2459; bush 1-2 m., flowers 

 white, branches dense, decumbent). 



This is a rare plant in western Szech'uan and only known to us from the above 

 locaUty where, however, it is plentiful. It had also been collected in western 

 Szech'uan by Potanin in two localities according to Komarov, and in Kansu by 

 Przewalski. 



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