OF ARTS AND SCIENCES. 127 



tuberculate, not crested. — Found near Jamuel, San Diego County, by 

 C. R. Orcutt in xVpril, 1885, and on the island of Santa Cruz, Califor- 

 nia, by T. S. Brandegee in 1888. Ttie only representative in America 

 of a small section of the genus (including S. conoidea, etc.), which is 

 otherwise confined to the Mediterranean region and central Asia. 



SiLENE Shockleyi. Slender, 3 to 8 inches high, puberulent 

 throughout : leaves linear-oblanceolate, an inch or sometimes 2 inches 

 long : flowers few or often solitary : calyx viscid-pubescent, cylin- 

 drical, 6 to 8 lines long, the acute lobes 1^ lines long; petals rose- 

 colored to greenish, the auricled claws more or less exserted, with 

 broad and more or less laciuiate appendages and the blade (3 lines 

 long) equally cleft to below the middle : stamens and style equalling 

 the petals . capsule oblong, long-stipitate : seeds tuberculate on the 

 back. — On the White Mountains in Mono County, California, at 

 12,000 feet altitude ; W. H. Shockley, August, 1888. Of the S. 

 Oregana group. 



BuDA BOREALis, Watson in Gray's Manual, 6 ed., p. 90. A gla- 

 brous diffusely branched annual, with very narrow leaves an inch 

 long or less: pedicels 2 to 6 lines long, ascending or often widely 

 spreading: sepals and petals (white) scarcely a line long: stamens 



+- H- Annuals. 



14. S. LONGiROSTRis. (S. lonrjifolius, Benth., var., Torr. in Pacific R. R. Rep. 

 4. 65. Arabis hngirostris, Watson, King's Rep. 5. 17, t. 2.) — East of the Sierra 

 Nevada from Washington to Utah, Sonora, and Lower California. 



15. S. C?) FLAVESCENS, Hook. — Central California. 



* * * « One or both pairs of the longer filaments connate ; cauline leaves 

 more or less sagittately auriculate (scarcely so in n. 17) ; annuals, with nar- 

 row pods. 



•♦- Sepals nearly equal ; pods ascending or spreading. 

 ** Both pairs of filaments connate ; seeds wingless. 



16. S. Breweri, Gray. — Central California. 



** *+ One pair of filaments connate ; seeds winged. 

 = Glabrous. 



17. S. HTACiNTHOiDEa, Hook. — Indian Territory to Texas. 



18. S. BARBiGER, Greene. — Central California. Calyx sometimes glabrous. 



19. S. NIGER, Greene. — Central California. 



= = Pubescent. 



20. S. HispiDus, Gray. — Central California. 



21. S. GLANDULOSus, Ilook. (S. peramosnus, Greene. S. alhidus, Greene, a 

 white-flowered form.) — S. Oregon to San Luis Obispo County, Calif 



t- ■<- Sepals very unequal, the outer much dilated ; pods reflexed, narrow. 



22. S. POLTGALOiDES, Gray. — Central California. 



