80 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4TH SER. 
and in open country, 500-1100 ft., (nos. 1716-1717). 
CuatHam Iszt.: Wreck Bay, fairly common, 500-2050 ft., 
(nos. 1714-1715). Duncan Ist.: A. Agassiz; Snodgrass 
and Heller. GARDNER Ist. (near Hoop Ist.): Snodgrass 
and Heller. Hoop Ist.: Baur; Snodgrass and Heller. INvDE- 
FATIGABLE IsL.: north side, Snodgrass and Heller; northwest 
side, Andersson; Baur. JAMES IsL.: James Bay, Snodgrass 
and Heller. Endemic. 
O. corniculata L. Sp. Pl. 435 (1753) ; Rob. (1), 156.—AL- 
BEMARLE Ist.: Villamil, common in open grassy country at 
1500 ft. (no. 1718). Cartes IsLt.: common at 1700 ft. (no. 
1719). CuatuHam Ist.: Wreck Bay, Baur. Widely distrib- 
uted. 
LINACEAE 
Linum L. 
L. oligophyllum Willd. ex. Schult. Sys. VI. 758 (1820); 
Rob. (1), 156.—ALBEMARLE Ist.: Tagus Cove, low bushes, 
2900-3850 ft., (no. 1720). Further distr. Ecuador and Peru. 
ZYVGOPRERY LLACHKAE 
Kallstroemia Scop. 
K. adscendens (Anderss.) Rob. (1), 156. Tribulus adscen- 
dens Anderss. (1), 245.—CuHartes Is_.: Andersson. CHATH- 
AM Iszt.: Andersson. Duncan Ist.: A. Agassiz. GARDNER 
Ist. (near Hoop Ist.): Snodgrass and Heller. Hoop Ist.: 
Snodgrass and Heller. Endemic. 
Tribulus L. 
T. cistoides L. Sp. Pl. 387 (1753) ; Rob. (1), 157.—ABinc- 
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 inJight ashy soil near sea level (no. 
1722). Bratt ie Isx.: (no. 1723). CHARLES IsL.: common 
near the shore, and in open places in the vegetation, 600-700 
ft., (nos. 1725-1727). Dapune Ist.: F. X. Williams, col- 
lector, (no. 1728). Hoop Ist.: Snodgrass and Heller. INDE- 
