FLORA OF THE GALAPAGOS ISLANDS. 183 



Laguncularia, Gaertn. 



L. RACEMOSA, Gaertn. Fruct. iii. 209, t. 217, f. 2 (1805); Brandis in 

 Engl. & Prantl, Nat. Pflanzenf. iii. Ab. 7, 127, f. 64. — Albemarle 

 IsL. : Elizabeth Bay, lava fields near beach, S>iodg7'ass & Heller, nos. 

 270 (hb. Gr.), 937 (hb. Gr.) ; Point Christopher, Snodyrass & Heller, 

 no. 931 (hb. Gr.). Narborough Isl. : east side, Snodgrass & Heller, 

 no. 920 (hb. Gr.). Further distrib. shores. Max., W. Ind., S. Am., trop. 

 Afr. Not before recorded from the Galapagos Ids. 



MELASTOMACEAE. 



MiCONIA, R. & P. 



M. Robinsoniana, Cogniaux, nov. sp. (sect. Tamoned) ; 31. sp. Rob. 

 & Greeum. (1), 146; "glaberrima; ramis junioribus acute tetragonis 

 non alatis; foliis breviuscule petiolatis, anguste ligulato-oblongis, leviter 

 obtuseque acuminatis, basi breviter attenuatis vel subrotundatis, margins 

 integerrimis, trinerviis vel obscure 5-uerviis, nervulis trausversalibus 

 numerosis tenuissimis ; floribus sessilibus, secus ramulorum paniculae 

 solitariis ; calyce oblongo, limbo leviter dilatato, brevissime 5-lobato, 

 lobis late rotundatis; staminum filamentis glaberrimis. 



" Rami robustiusculi, laeves. Petiolus gracilis, leviter tortuosus, 1-1.5 

 cm. longus. Folia rigidiuscula, utrinque laevia, siccitate non nitida, 

 14-16 cm. longa, 3-3.5 cm. lata, nervis subtus sati^prominentibus. 

 Paniculae majusculae, multiflorae, trichotome ramosae, ramis gracilibus, 

 erectis vel paulo patulis, leviter compressis, articulatis. Bracteae i^aten- 

 tissimae, rigidae, triangulari-ovatae, acutae, 1-1.5 mm. longae. Calyx 

 laevis, basi rotundatus, sub apice leviter constrictus, circiter 5 mm. 

 longus. Petala erecta, anguste obovata, obtusa, 6 mm. longa. Stami- 

 num filamenta capillaria, 3-4 mm. longa; antherae valde arcuatae, apice 

 longe attenuatae, 4-5 mm. longae. Stylus crassiusculus, glaber, apice 

 arcuatus caeteris rectus, 5 mm. longus, stigmate paulo incrassato. — 

 Affinis M. nitidissimae, Cogn. in DC. Monogr. Phan. vii. 748, sed bene 

 distincta." — Chatham Isl. : southwest end, upper region, Baur, no. 

 163 (hb. Gr. &, hb. Cogniaux). Endemic. 



HALORRHAGIDACEAE. 



Myriophtllum, L. 



M. sp. Wolf (1), 284. — Charles Isl. : in brook near the hacienda, 

 ace. to Wolf, 1. c. 



