Ord. 13. CARYOPHYLLACEA 



m 



1. SILENE, Linn. 



1. Silene Antirrhina, Linn. 



Hab. Mouth of the Spokane Kiver, and on the Kooskooskee ; also 

 near San Francisco, almost as common on the western as on the east- 

 ern side of the continent. 



2. Silene Douglasii, Book. 



Hab. Vicinity of Fort Nisqually, Puget Sound, and on the Okan- 

 agan River. — Flowers few, in a loose terminal cyme. Calyx some- 

 what veiny ; the teeth obtuse, with a membranous ciliolate border. 

 Limb of the petals 2-cleft about half its length ; the divisions linear- 

 oblong, mostly entire, but sometimes emarginate. 



3. Silene Scouleri, Hook. 



Hab. From Puget Sound, eastward to the Cascade Mountains. — 

 Root perennial. Stems li to 2 feet high, swollen at the nodes, mi- 

 nutely pubescent. Leaves lanceolate-linear, 2-3 inches long. Flowers 

 in a narrow cymose panicle ; peduncles mostly opposite, 1-3-flowered. 

 Calyx oblong-clavate, abruptly contracted at the base ; the teeth 

 broadly ovate, with a membranaceous ciliolate border. Petals appar- 

 ently pale rose color; the limb deeply 2-parted; the divisions more 

 or less deeply 2-cleft, with narrow lobes, which are either entire or 

 emarginate. Besides the primary divisions, there are often two 

 shorter and narrower lateral segments which are situated lower down 

 than the others. 



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