Ord. 50. PRIMULACEA 



1. LYSIMACHIA, Linn. 

 1. Ltsimachia ciliata, Linn. 



Hab. Upper Columbia River, near Fort Okanagan. — It is wholly 

 similar to the plant of the Atlantic States. 



2. NAUMBURGIA, Mamch. 



1. Naumburgia thyrsiflora, Reich. 



Hab. Fraser's River, British Columbia, Dr. Holmes. — The minute 

 teeth between the divisions of the corolla are often wanting in the 

 European as well as in the North American plant. 



3. TRIEN TALIS, Linn. 

 1. Trientalis Europe a, Linn. 



T. latifolia, Hook. Fl. Bor.-Am. 2, p. 121 ; Duby in DC. Prodr. 8, p. 59. 



Hab. Puget Sound ; in woods ; also in the Redwood groves near 

 San Francisco, California. — Our specimens show a gradual transition 

 from the ordinary state of T. Europcea to T. latifolia. The rhizoma 

 in a small oblong tuber. In the only Californian specimens the leaves 

 are in four distinct whorls of 5 to 7 each ; which is a very unusual 

 occurrence. 



