202 p s t e I s i a 



and coalesceiit in fruit; fruit ripening the third 

 year, subglobose, bright blue, one to three seed- 

 ed. Throughout the cooler parts of the north- 

 ern hemisphere. 



Jiiniperus communis L. var. sihirica (Brugs- 



dorf) Rydberg. Contr.U. S.Nat. Herb. 3:533.1896. 

 [Jiinipenis nana Wildenow.] 



[J II ni perns communis L. var. alpina Wahlen- 

 berg.] 



A dwarf traih'ng slirulj with leaves 5-10 milli- 

 meters long, 1.5-2 millimeters wide, less acute 

 than in the type. 



This is the common form of Junipcrns 

 conuunnis in the northern parts of its range 

 and in alpine regions. Although the extreme 

 forms of the species and of this variety appear 

 very distinct, there are so many intermediate 

 forms that it appears better not to separate 

 them specifically. 



The alpine variety is reported by Macoun 

 from Mts. Benson, Mark and Arrowsmith, and 

 doubtless occurs commonly among the higher 

 mountains of A^ancouver Island. It is very 



