(i6 7 ) 



in the deep rose-colored calices and the narrow cylindric 

 raceme, and the pedicels are only about one-half as long as 

 those of its relative. The species has been collected several 

 times during the past decade ; all the specimens having been 

 found in Alaska or on the neighboring islands. 



St. Paul's Island. Bering Sea Commission Collection, no. 

 130. July 29, 1891. J. M. Macoun, collector. (Type.) 



Porcupine River, Alaska, 1891. J. Henry Turner, col- 

 lector. 



Port Clarence, Alaska. Harriman Alaska Expedition, no. 

 1970. July 12, 1899. F. V. Coville and T. II. Kearney, 

 Jr., collectors. 



Hall Island, Bering Sea. Harriman Alaska Expedition, 

 no. 2023. July 14, 1899. F. V. Coville and T. H. Kearney, 

 Jr., collectors. 



Klondike, " The Dome." August 10, 1899. J- B - T^" 1 ^- 

 ton, no. 175b. 



Polygonum fugax Small sp. nov. 



Perennial from horizontal rootstocks, bright green. Stems 

 erect, 3-4 dm. tall, glabrous, discolored below the nodes and 

 the inflorescence : basal leaves several ; blades lanceolate or 

 oblong-lanceolate, 5-12 cm. long, acute, undulate, finely 

 wrinkled above, minutely pubescent beneath, slightly revolute, 

 cuneately narrowed at the base ; petioles as long as the blades 

 or longer, winged near the top : stem-leaves nearly similar 

 to the basal, but with smaller and narrower blades and short 

 petioles : ocreae delicate, closely surrounding the internodes 

 of the stem, except the loose and obliquely open top : spike 

 cylindric or nearly so, 2.5-5 cm. long, about 1 cm. thick, 

 erect : bracts very delicate, light brown, ovate-lanceolate to 

 oval, acuminate, 5-7 mm. long : flowers early deciduous or 

 fugacious : calyxes pink ; lobes various, the inner oblong, 

 obtuse, the outer larger and all three of different sizes : 

 stamens 8: achenes 3-angled, oval, dark brown, abruptly 

 acute. 



Related to Polygonum Bistorta L., but more slender and 

 with much more delicate parts throughout. The leaves differ 

 from those of P. Bistorta in having lanceolate or oblong- 

 lanceolate blades with narrowed bases. The inflorescence 



