Vol. I] STEWART— BOTANY OF THE GALAPAGOS ISLANDS 137 



Brachistus, Miers 



B. pubescens, nov. sp. 



Fruticosus 2 dm.-l m. altus, ramis teretibus dichotomis flavo-pubes- 

 centibus; ramulis teretibus divaricatis saepe geniculatis flavo-pubes- 

 centibus; foliis alternis ovatis acuminatis basi cuneatis integris utrinque 

 flavo-pubescentibus petiolatis, laminis 3.2-5 cm. longis, 1.3-2.2 cm. latis; 

 floribus axillaribus solitaribus pedunculatis; calyce pubescenti S-angu- 

 lato, 2.6 mm. lato; corolla rotata, limbo 5-lobo, lobis acutis margine 

 denticulatis; staminibus limbo inclusis; stylo incrasato stigmate capi- 

 tato integerrimo; bacca orbiculari compressa viridi 6-seminata, semini- 

 bus flavo-bruneis. 



Albemarle Isl. : Villamil, bushes in woodland, 450-600 

 ft., (nos. 3351-3352). James Isl.: James Bay, occasional 

 bushes above 1600 ft. (no. 3353). This species resembles B. 

 Pringlei Watson in many respects, differing principally in the 

 presence of a yellow tomentum on both branches and leaves, 

 and in the absence of the linear tooth at each angle of the calyx. 

 Plate III, figs. 6-8. Endemic. 



Cacabus Bernh. 



C. Hookeri (Anderss.) n. comb. Thinogeton Hookeri An- 

 derss. (1), 217; Rob. (1), 201. — Indefatigable Isl.: north- 

 west side, Andersson. Endemic. 



C. Miersii (Hook, f.) Wettst. in Engl. & Prantl, Nat. Pflan- 

 zenf. IV. Ab. 3b, 16 (1891). Dictocalyx Miersii Hook. f. (3), 

 203. Thinogeton Miersii Miers, Ann. Mag. Nat. Hist. 2, IV. 

 359 (1849); Rob. (1), 201. — Abingdon Isl.: occasional 

 among rocks near the shore (no. 3417). Albemarle Isl.: 

 Black Bight, Snodgrass and Heller; Iguana Cove, common 

 near the shore (no. 3418) ; Tagus Cove, abundant in tufaceous 

 soil on the tops of the cliffs near the shore (no. 3420) ; Turtle 

 Cove, fairly abundant on lava near the beach (no. 3419) ; Villa- 

 mil, occasional near brackish pools several miles inland (no. 

 3421). Barrington Isl. : Snodgrass and Heller. Charles 

 Isl. : Darwin; Andersson. Chatham Isl. : Andersson; 

 Snodgrass and Heller. Culpepper Isl. : Snodgrass and 

 Heller. Gardner Isl. (near Hood Isl.) : among rocks just 

 above high tide mark (no. 3422). Hood Isl.: occasional on 

 sand beaches (no. 3423). Narborough Isl.: Mangrove 

 Point, Snodgrass and Heller; north side, Snodgrass and Heller. 

 Endemic. 



