COLONEL MUNRO'S MONOGRAPH OF THE BAMBUSACE^. 79 



Hab. in Brasilia : in sylvis umbrosis humidis ad ripam fluvii Cassiquiare (Missionis del alto Orinoco y Rio 

 Negro), Bonpland; secus Rio Negro inter Barccllos et San Gabriel, Spruce, no. 1954!; Trinidad, 

 Purdie ; ct Venezuela, teste Grisebach. 



Culmus 24-pedalis, apicc tantum ramosus et subnutans, nitidus, l.-etc virens, diamctro 4 poll., intcrnodiis 

 bipedalibus [Kuiith), pcdalibus [Spruce), spathis intus glabcrrimis, extus pills sparsis rigidis obsitis, 

 tardius deciduis tectis ; ramulis subrccurvatis, subpuiigentibus, dense foliosis, " fragilibus." Folia 

 lineari-oblonga, acuminata, basi rotuudata, in pctiolum 3 lin. longum, glabrum, " basi subtumidum 

 attenuata," 5-(3 poll, louga, 15 lin. lata {Kunth), in ramulis florifcris, a me visis, 4-7 poll, longa et 

 7-10 lin. lata, margine serrata, utrinque glabra, uervis secundariis sub 30, venulis transvcrsis mani- 

 festis, distantibus. VagimB striato-sulcatie, pilis rigidis adpressis sparsim obsitse {Kunth), demum 

 glabrae, ore ciliis paucis rigidis fimbriatse, ligula brevi. Panicula fere simplex, interdum dioica, in 

 ramulis foliatis terminalis, 4^6 poll, longa, adjectis (rarissime) ramis obsoletis, spiculis 1-2-3, ad nodos 

 fasciculatis. Spicula angusta, cylindrica, subsessilis, 2-4 poll, longa, acuminata, 8-10-flora, floribus 

 inferioribus nounullis niasculis, rliachillfe articulis interdum 44 lin. longis. GlurtKE 2, ovatse, glabrae. 

 Palea inferior (flosculi bipaleacei) nervis 17-20 valid is striata, apice mucrone cito caduco acumi- 

 nata, ssepe medio dorso, Ijasin versus, fasciculo pilorum birsuta, margine pilis ferritgineis dense 

 ciliata ; superior brevior, bicarinata, carinis superne prseeipue late alatis, inter carinas 4-5-nervia et 

 hirsutiuscula. Squamula 3, oblongo-ovata;, margine fimbriatse, subsequales, membranaeese, glabrae, 

 apiee vix nervosae, ima basi interdum coalitae. Stamina 6, " antheris purpureis" [Spruce). Stylus 

 profiinde 3-4-partitus, ^dolaceus, basi eonicus et pilis subglandulosis hirsutus. Ovarium ovato- 

 oblongum, acuminato-rostratum, bine convexum, inde planum suleo longitudiuali. 



Spruce says that this is very slender and brittle in the flowering portion. I have already, 

 at p. 3, stated how very rarely this plant has been found in flower. E-uprecht states that he 

 had seen but a single spicula ; and Nees states, in Martius's ' Flora BrasO,,' that there was 

 no specimen in any herbarium he had access to. Kunth states that his description and 

 figure were taken from a specimen presented by Humboldt, who says that the plant is 

 very abundant on that part of the Orinoco which is below the cataracts. I have quoted 

 Trinidad as a locality on the authority of Grisebach. The very long spiculae appear to 

 keep this distant from all other species. The drawing in the Plant. ^Equin., which is 

 not a good one, is more like the following species than any specimen I have seen of 

 G. latifolia. 



3. G. GLOMERATA, Munro. Intcrnodiis culmi apice scabris, ramis ramulisque suhrecur- 

 vatis ; foliis latis vel interdum augustis, ovato-lanceolatis vel lineari-lanceolatis, 3-5 

 poll, longis, 5-15 lin. latis, in eodem ramulo ; vagiuis superne hirsutis vel glabris, 

 membrana cupuliformi terminatis, ore fimbriatis ; panicula dioica, brevissima, con- 

 tracta, rhachi fere nulla, spiculis glomeratis, 1-2 erectis, reliquis refractis pen- 

 dentibus palea inferiore margine efimhriata. 

 Hab. in Brasilia : in vicinibus Barra, Gapo dc Rio Negro, Spruce, no. 119G ! v. s. 



Culmi pedales, " 2-3 poll, diametro, solidi, arcuati, ramulis intertextis, fruticeta fere impenetrabilia 



struentes, nodis spinis validis, fasciculatis, deeurvis armatis." Rami breves, intcrnodiis 2-4 valde 

 inaequalibus, plerumque scabris, ramulos breves, apiee floriferos, 1-3 ad nodos ferentes. Folia valde 

 inaequalia, eodem ramo lata (15 lin.) vel angusta (5 lin.), subtus discoloria, 3-5 poll, longa, apice 

 attenuata et denique mucronata, e basi subrotund ta vel euneata in petiolum brevem subglabrum 

 attenuata, glabra vel supra uno latere tactu scabra, margine serrata, nervis secundariis 18-20 vix 

 conspicuis, venulis transversis nullis vol obsoletis, suprema spiculas superautia. Vagina basi laeves. 



