OF ARTS AND SCIENCES. 343 



Collected by Mr. J. G. Lemmon (n. 17, 18) in Sierra County, 

 Califoruia. 



SiLiiNE occiDENTALis. Gliindiilar-puberulent, or somewhat tomen- 

 tose below ; stems stout, erect from a vertical rootstock, 2 feet high, 

 branching ; leaves 'oblanceolate, 2-4 inches long, acute, the lower 

 ciliate at base ; flowers in an open dichotomous panicle, erect or some- 

 times nodding, on pedicels 6-15 lines long ; calyx cylindrical, 6-8 

 lines long, net-veined along the main nervt-s, the teeth ovate, obtuse ; 

 petals 9-12 lines long, apparently deep purple, deeply 4-cleft with 

 nearly equal lobes or the lateral smaller, appendages lanceolate and 

 entire, the claw naked and without auricles ; filaments slightly ex- 

 serted ; ovary oblong, equalling the stipe. — Collected by Lemmon in 

 Sierra County, California. 



SiLENE Oregana. Viscidly pubescent; stems ascending, simple, 

 a foot high or more; leaves oblanceolate, acute, 1-2 inches long; 

 flowers in an open dichotomous panicle, somewhat nodding upon 

 slender pedicels 3-6 lines long ; calyx oblong-cylindrical, 6 lines long, 

 somewhat membranous, with oblong acutish teeth; petals white, 10 

 lines long, the narrow limb parted to the base and the lobes deeply 

 bilid with filiform segments, the linear ajjpendages entire, and the very 

 narrow naked claw with the auricles produced upward into lanceolate 

 teeth ; filaments and styles somewhat exserted ; ovary oblong, long- 

 stipitate. — Collected in the Blue Mountains, Oregon, by Rev. R. D. 

 JS'evius, 1873. 



SiLENE MONTANA. Puberulent ; stems erect from a decumbent 

 perennial base, mostly simple, a foot high ; leaves narrowly oblanceo- 

 late, 1^-2 inches long, acuminate; flowers in a narrow subdichotomous 

 panicle, erect upon usually short pedicels; calyx cylindrical, 7-9 lines 

 long, the oblong teeth acutish; petals 7-10 lines long, apparently rose- 

 color, the broad limb deeply 4-cleft with equal entire linear segments, 

 claws naked, the auricles and broad ovate appendages somewhat 

 lacerate ; filaments scarcely exserted ; ovary oblong, the stipe becom- 

 ing 2 lines long. — Near Carson City, Anderson (n. 107), and also 

 collected by Lemmon at the Big Meadows, Sierra County, California. 



A similar but probably distinct form has been collected by Rev. 

 R. D. jS'evius in the Blue Mountains, Oregon, having the short quad- 

 rate limb barely notched, the coronal appendages and the auricles 

 entii-e or nearly so, and the carpophore much shorter. 



SiLEXE Thukberi. Glandular-tomentose ; stems tall, erect ; leaves 

 lanceolate, acuminate ; flowers small, in a narrow elongated panicle, 

 erect on rather slender pedicels ; calyx cylindrical, 6 lines long, with 



