448 IOWA ACADEMY OF SCIENCE Vol. XXV, 1918 



COMPOSITE. 



Scorzonella horealis (Bong.) Greene. Abimdant at Sanitarium 

 on wet meadows. 



Leontodoih iaraxacxim L. Dandelion. Common along roadsides 

 and similar localities. 



Sonchus arvensis L. Sparingly introduced at Juneau. 



Sonchus asper (L.) Hill. An introduced weed at Sitka. 



XaljaJus hastatus (Less.) Heller. Common along banks and 

 cliffs. 



Hieracium gracile Hook. Common in alpine meadows near 

 Juneau. 



Hieracium triste Willd. Common in alpine meadows near 

 Sitka. 



Hieracium albiflorum Hook. Collected along Taku river. 



Aster foliaceus Lindl. Abundant along banks. 



Erigeron peregrinus (Pursh) Greene. Common in alpine 

 meadows, less common at lower altitudes. 



Erigeron unalaschonsis (DC.) Ryd. Collected at Mendenhall. 



Solidago multiradiata Pursh. Collected at Mendenhall. 



Solidago lepida DC. Rather rare in the bogs at Sitka. 



Solidago sp. Collected along the Taku. 



A^itennaria macounii Greene. Collected at Juneau. 



Anaphalis angustifolia Rydb. Rather uncommon at Juneau. 



Anaphalis margaritacea (L.) Benth. & Hook. Rather un- 

 common. Sitka. 



Achillea horealis Bong. Milfoil or Yarrow. Roadsides and 

 open places. Common. 



Anthemis cotula^L. (Maruta cotula {h.)T)C.) Ma\^veed. An 

 introduced weed not yet common. 



Chrysanthemum arcticum L. Arctic Daisy. A few fomid in 

 the valleys north of Juneau. 



Matricaria matricarioides (Less.) Porter. {Cliamomilla sau- 

 veolans (Pursh) Rydb. A common weed. 



Artemisia arctica Less. A common alpine plant. 



Artemisia maccaJlac Rydb. Collected along Taku river. 



Petasites corymhosa (R. Br.) Rldb. Coltsfoot. A rather rare 

 subalpine sipecies. 



ArnicO' laUfolia Bong. Common at higli altitudes, less so 

 at lower elevations. 



Arnica rividaris Greene. Locally common on open mountain 

 sides at Juneau. ., ^ 



