FLORA OF THE GALAPAGOS ISLANDS. 119 



margine ciliata excepta glaberrimis teretibus spicas inferiores fere in toto 

 iucludentibus, foliae parte libera brevi linear! attenuata subpuugente 

 praeter basis longe ciliatae glaberrima, spicis inferioribus brevibus vaginis 

 arete involutis, supremis subteruis erectis tenuibus flexuosis cum pedun- 

 culo gracile tereti bene exsertis, spicalis tenuibus teretibus adpressis 

 bifloris, gluinis sterilibus binis inaequalibus tenuibus lanceolati-linearibus 

 attenuatis acutissimis uninervis trausluceutibus basi breviter fasciculatim 

 barbatis, palea inferiori oblouga ciliata pauUo infra apice subretusa 

 cum arista recta tenui tenuissirae barbata suae longitudini superante 

 munita, palea superior! anguste lanceolata acutissima sed exaristata, 

 flosculi sterilis pedicellati abortivi palea inferiori longe aristata. — C. sp. 

 Rob. & Greenm. (1), 149. — Charles Isl. : Bam; no. 333 (hb. Gr.) ; 

 /Snodgrass & Heller, no. 459 (hb. Gr.). Endemic. Culms 2.5 to 4 

 dm, high ; leaf blades 2 to 6 cm. long. Spikelets including the awns 

 6 mm. long, very slender. A species distinguished from most of its 

 congeners by having inflorescences springing from nearly all the nodes, 

 the lower inflorescences being almost or quite enveloped by the sheaths 

 of tlie leaves. 



C. elegans, HBK. Nov. Gen. & Sp. i. 166, t. 49 (1815).— 

 Charles Isl. : Snodgrass & Heller, no. 461 (hb. Gr.). Seymour 

 Isl. : north, Snodgrass & Heller, no. 579 (hb. Gr.). Further distrib. 

 southwestern U. S., Mex. 



C. RADiATA, Sw. Prodr. 26 (1788); Rob. & Greenm. (1), 149.— 

 Charles Isl.: Baur, no. 344 (hb. Gr.). Further distrib. W. Ind., 

 S. Am. 



Chusquea, Kunth. 



C. sp. — Albemarle Isl. : on mountain east of Elizabeth Cove, alt. 

 923 m., Snodgrass & Heller, no. 230 (hb. Gr.), old, dead, and leafless 

 culms only, but the genus recognizable from the peculiar mode of branch- 

 ing. Belonging to a group of tropical S. American grasses of the 

 bamboo tribe, not heretofore noted upon the islands. 



Eleusine, Gaertn. 



^ E. AEGYPTicA, Desf. Fl. Atl. i. 80 (1798), as acgi/ptia. E. acg^ipt- 

 iaca, Rob. & Greenm. (1), 149. Dactyloctenium aegyptiacum, Willd. 

 Emim. Ilort Berol. 1029 (1809) ; Caruel (1), 621 ; Rose (1), 138. — 

 Chatham Isl.: Clderchia; A. Agassiz ; Snodgrass & Heller, no. 551 

 (hb, Gr.). Hood Isl. : Baur, no. 326 (hb. Gr.). Of wide distribution. 



