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



tufaceous soil in open sunny places on the lower parts (no. 

 1196). Charles Isl. : rare at 850 ft., common in tufaceous 

 soil at 1200 ft, (nos. 1197-1198). Chatham Isl.: north 

 side, Baur. Indefatigable Isl. : northwest side, Andersson. 

 James Isl. : James Bay, Snodgrass and Heller. Further distr. 

 Mex., W. Ind., S. Am. 



Aristida L. 



A. divulsaAnderss. (1), 143, and (2), 49; Rob. (1), 116.— 

 Abingdon Isl. : Snodgrass and Heller. Bindloe Isl. : Baiir. 

 Chatham Isl. : Sappho Cove, occasional in bunches on the 

 recent lava in the vicinity of the cove, (no. 1200). James Isl. : 

 James Bay, common in lava crevices near the shore (no. 1199). 

 Endemic. 



A. repensTrin. Mem. Acad. Petersb. ser. VI. I. 87 (1831) ; 

 Rob. (1), 117. — James Isl. : Douglas. Endemic. 



A. subspicata Trin. & Rupr. Mem. Acad. Petersb. ser. VI. 

 I. 125 (1842); Rob. (1), 117.— Abingdon Isl.: common in 

 lava crevices in the vicinity of the shore and also sparingly at 

 1100 ft. (nos. 1201-1203). Albemarle Isl.: Cowley Bay, 

 common in soil of pumiceous origin at 1000 ft. (no. 1207) ; 

 Elizabeth Bay, Snodgrass and Heller; Iguana Cove, common 

 on the side of the cliffs above the cove, also common in open 

 places around 300 ft., (no. 1206) ; Tagus Cove, common in 

 open country near the shore and around 1000 ft. (no. 1208) ; 

 Villamil, common in lava crevices near the shore (nos. 1204- 

 1205). Barrington Isl.: occasional in loose soil among 

 masses of lava (no. 1210). Bindloe Isl.: common near the 

 shore and on the crests of tufa ridges in the interior of the 

 island (no. 1211). Brattle Isl.: (no. 1212). Charles 

 Isl.: abundant at 850 ft, occasional at 1750 ft, (nos. 1213, 

 1214, 1216, 1217); Cormorant Bay, occasional in lava crev- 

 ices (no. 1215). Chatham Isl.: Basso Point, occasional on 

 lava and in open places in the dry region where the soil is very 

 loose in texture (no. 1218). Gardner »Isl. (near Hood 

 Isl.) : common everywhere (no. 1219). Hood Isl. : occasional 

 among rocks (no. 1220). Indefatigable Isl.: Academy 

 Bay, abundant in open places in the vegetation on the lower 

 parts (no. 1221); north side, abundant in ashy soil on the 



