Vou. I] STEWART—BOTANY OF THE GALAPAGOS ISLANDS 91 
Cowley Bay, common to 1200 ft. (no. 1857); Elizabeth Bay, 
Snodgrass and Heller; Tagus Cove, common in tufaceous soil 
to 600 ft. (no. 1858). BrnpLor Isi.: low shrubs near the 
shore (nos. 1859-1860). CHARLES IsL.: common bushes in 
loose soil among rocks (nos. 1861-1863). CHATHAM ISL.: 
Sappho Cove, abundant in lava crevices near the coast (no. 
1864) ; Wreck Bay, A. Agassiz. INDEFATIGABLE ISL.:. north- 
west side, bushes 2-3 ft. high common below 250 it. (no. 
1865). JAmes IsL.: northeast side, common near the shore 
(no. 1866); Orchilla Bay, Baur. SrEyMour IsL., souTH: 
Snodgrass and Heller. Endemic. 
Var. bindloensis nov. var.; E. sp. aff. E. articulata Anderss. ; 
Rob. (1), 169. 
_ Foliis ovatis basi cordatis 5 mm. longis 3 mm. latis; ramulis rigidis 
divaricatis. 
ABINGDON IsL.: occasional low shrubs near the shore (no. 
1867). BrnpLoE Ist.: low shrubs in tufaceous soil in the 
vicinity of the shore (no. 1868). Plate III, fig. 5. Endemic. 
E. diffusa Hook. f. (3), 184; Rob. (1), 167—ALBEMARLE 
Ist.: Cowley Bay, Andersson; Tagus Cove, common in tufa- 
ceaus soil on the sides of the hills surrounding the cove (no. 
1869). CuatHam Ist.: Wreck Bay, in dry sandy soil near 
the shore (no. 1872). Duncan IsL.: occasional in protected 
places on the lower parts (no. 1870). INDEFATIGABLE ISL. : 
north side, Snodgrass and Heller. Jervis Isu.: Baur. Nar- 
BOROUGH Ist.: north side, abundant in lava crevices near the 
shore (no. 1871). Endemic. 
E. equisetiformis, nov. sp. 
Fruticosa glabra; caulibus erectis teretibus ramosis ad nodos per- 
fragilibus; ramis ultimis in fasciculum ramulorum 2-3 pallido-viridum 
complanatorum terminantibus; foliis oppositis squamiformibus; involu- 
cris terminalibus solitariis rufo-bruneis brevipedunculatis bibracteatis; 
glandulis ellipticis appendiculas fimbriatas gerentibus; floribus mas- 
culis numerosis; squamis fimbriatis gracilibus truncatis numerosis; 
floribus femineis erectis, capsula obtuse angulata, involucro trilobato. 
ALBEMARLE Isx.: Villamil, occasional bushes 3-4 ft. high on 
the floor of the crater at 2750 ft. Most of the other vegeta- 
tion in the vicinity is quite xerophytic in character, (no. 1873). 
Plate III, figs. 1-2. Endemic. 
E. flabellaris Anderss. acc. to Boiss. in DC. Prodr. XV. pt. 
2, 17 (1862); Rob. (1), 167—Astnepon Isi.: Snodgrass 
