80 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



and in open country, 500-1100 ft, (nos. 1716-1717). 

 Chatham Isl. : Wreck Bay, fairly common, 500-2050 ft., 

 (nos. 1714-1715). Duncan Isl.: A. Agassis; Snodgrass 

 and Heller. Gardner Isl. (near Hood Isl.) : Snodgrass 

 and Heller. Hood Isl. : Baur; Snodgrass and Heller. Inde- 

 fatigable Isl. : north side, Snodgrass and Heller; northwest 

 side, Andersson ; Baur. James Isl. : James Bay, Snodgrass 

 and Heller. Endemic. 



O. corniculataL. Sp. PI. 435 (1753) ; Rob. (1), 156.— Al- 

 bemarle Isl. : Villamil, common in open grassy country at 

 1500 ft. (no. 1718). Charles Isl.: common at 1700 ft. (no. 

 1719). Chatham Isl.: Wreck Bay, Baur. Widely distrib- 

 uted. 



LINACEAE 

 Linum L. 



L. oligophyllum Willd. ex. Schult. Sys. VI. 758 (1820); 

 Rob. (1), 156. — Albemarle Isl.: Tagus Cove, low bushes, 

 2900-3850 ft., (no. 1720). Further distr. Ecuador and Peru. 



ZYGOPHYLLACEAE 



Kallstroemia Scop. 



K. adscendens (Anderss.) Rob. (1), 156. Trihidus adscen- 

 dens Andierss. (1),245. — Charles Isl. : Andersson. Chath- 

 am Isl. : Andersson. Duncan Isl. : A. Agassis. Gardner 

 Isl. (near Hood Isl.): Snodgrass and Heller. Hood Isl.: 

 Snodgrass and Heller. Endemic. 



Tribulus L. 



T. cistoidesL. Sp. PI. 387 (1753) ; Rob. (1), 157.— Abing- 

 don Isl. : rare among rocks near the shore. The specimen is 

 sterile, but agrees with other specimens of the species in foliage, 

 pubescence, etc., (no. 1721). Albemarle Isl.: Villamil, in 

 broadly spreading bunches in light ashy soil near sea level ( no. 

 1722). Prattle Isl. : (no. 1723). Charles Isl. : common 

 near the shore, and in open places in the vegetation, 600-700 

 ft, (nos. 1725-1727). Daphne Isl.: F. X. Williams, col- 

 lector, (no. 1728). Hood Isl. : Snodgrass and Heller. Inde- 



