Vol. 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). Bindloe Isl. : 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. Agassis. Indefatigable Isl. : north- 

 west side, bushes 2-3 ft. high common below 250 ft. (no. 

 1865). James Isl. : northeast side, common near the shore 

 (no. 1866) ; Orchilla Bay, Baur. Seymour 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). Bindloe Isl.: 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 

 Isl. : Cowley Bay, Andersson; Tagus Cove, common in tufa- 

 ceaus soil on the sides of the hills surrounding the cove (no. 

 1869). Chatham Isl.: 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 Isl. : Baur. Nar- 

 borqugh Isl. : 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 Isl. : 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. ace. to Boiss. in DC. Prodr. XV. pt. 

 2, 17 (1862); Rob. (1), 167. — Abingdon Isl.: Snodgrass 



