438 IOWA ACADEMY OF SCIENCE Vol. XXV, 1918 



Ranunculus macounii Britton. A large, coarse species col- 

 lected near the beach at Juneau. 



Ranunculus repens L. This species has thoroughly established 

 itself at Sitka. 



Ranunculus acris L. ? A single large thrifty plant collected 

 at Sitka in 1916. 



Arctoranthis cooleyae (Vasey & Rose) Greene. An alpine 

 plant. 



Aconitum chamissonianum Reich. Quite common on the moun- 

 tain sides at Juneau. 



Acwiitum delphinifolium DC. Moderately abundant on for- 

 ested mountain slopes at Sitka. 



Aquilegia columhiana Rydb. Common. Generally given as 

 A. formosa Fiseh. 



CaWia palustris L. Marsh Marigold. Common in wet places 

 around Juneau. 



Actaea arguta Nutt. Present on mountain slopes. 



Coptis asplenifolia Salisb. {Chrysocaptis asplenifoUa (Salisb.) 

 Nutt.) This species of Gold Thread is very common. 



Coptis trifolia (L.) Salisb. Gold Thread. Fairly common in 

 marshy places at Sitka. 



CRUCIFER^. 



Arabis intermedia DC. Collected at Sitka. 



Arabis lyrata occidentalis Wats. In sandy soil along streams. 

 Sitka. 



Arabis anibigua DC. Quite common at Juneau. 



Arabis hirsuta L. Frequent in gravelly places along streams. 

 Sitka. 



Arabis rupestris Nutt. Collected at Juneau. 



Cardamine umbellata Greene. Common in wet places. 

 . Cardamine hellidifoUa L. Collected at Sitka as was also the 

 follo'wing species. 



Cardamine parviflora L. 



Brassica campestris L. A form of this has become well estab- 

 lished as a weed at Sitka. 



Brassica jiuicea (L.) Cass. Collected at Sitka. 



Brassica napus (L.) Collected at Juneau. 



Brassica nigra L. 1 Moderately abundant. 



Sisymhrium- altissimum L. Uncommon. 



Sisymbrium officinale (L.) Scop. Hedge Mustard. Sparingly 

 introduced at Sitka. 



