PROF. OLIVER ON NEW PLANTS FROM ROKAIMA. 287 



quam antico subtriplo brevioribus sinu parabolico sejunctis, nervis primariis 13, 

 venis primariis costa utrinque (5-7, omnibus supra et subtus prominentibus ; 

 pedunculo valido tereti; spatba oblongo-lanceolata, filiformi-aeuminata ; spadicc 

 stipitato spatba sulxequante valido. 

 Ilab. Roraima, Britisb Guiana, E. F. im Thurn. 



Catapbylla minora 3 poll, longa, majora 7-8 poll, longa, 1-1-]- poll. lata. Petiolus 

 2 ped. longus. Lamina 20 poll, longa, 12 poll, lata, pergamentacea, rcticulato-venosa, 

 nervi intramarginali margiuo valde approximato. Spatba h\ poll, longa, If poll. lata. 

 Spadix (cum stipite \ poll, longa) 5 poll, longus, \ poll, crassus. Elores 1 lin. diam., 

 stylo conico brevissime exserto. — N. E. Brown. 



382. Geonoma Appuniana, Spr. 

 358. Euterpe. 5100 ft. 



CYPERACE^E. By H. N. Ridley, Esq., M.A., E.L.S. 



259. Eihbristylis uispidula, Kuutb. (Our bouse, 5100 ft.) Roraima. 



215. Rhynchospora glauca, Vabl. (Our bouse, 5100 ft.) 



253. Rhynchospora capillacea, Torrey. (Our bouse, 5100 ft.) 



Rhynchospora leptostachya, Boeckl. (Our bouse, 5400 ft.) 

 218. Scleria hirtella, Swartz. 

 209. Scleria bracteata, Cavanilles. 



357. Cryptangium stellattjm, Boeckeler, s . (Plate LI. figs. 1-6.) Upper slope, 

 Roraima. 



Tbe male plant of tbis species does not seem to have been hitherto met with or 

 described ; I therefore add a description of it. 



Panicula longissima, ramis gracilibus. Spiculse plures, binee, castanese, \ unciam 

 longa?. Bractea lanceolata, trinervis, longe mucronata, mucrone ciliato. Glumge vacuse 8, 

 floriferae 2. Stamina tria, apiculis longis acuminatis, dimidio antherse aequantibus. 



Everardia, nov. gen. Cryptangiearum. 



Herba perennis, caule valido descendente lignoso. Eolia conferta rigida recurva. Culmus 

 paniculatus validus lateralis, ex axilla folii inferioris oriens. Pauicula laxa, rami 

 plurimi inferiores masculi, supremi feminei. Spicuhe masculge plm'iflorge, glumis 

 vacuis 3, floriferis 6. Stamina plura. Spiculae feniinese parva:, glumis vacuis 1, 

 florifera 1. Stylus brevis, stigma bifidum lobis brevibus planis lanceolatis. Ovarium 

 triangulatum breviter pedicellatum, cupula nulla. Seta; hypogynoe copiosae tortae. 



335. Everardia Montana, Ridley, n. sp. (Plate LII. figs. 1-8.) Caulis brevis, vaginis 

 latis decompositis superne tectus. Eolia lineari-lanceolata acuta acuminata carinata 

 recurva, marginibus albo-ciliatis, longissima 7 uncias longa, \ unciam lata. Culmus 

 11 uncias longus, validus, compressus, anceps, pro maxima parte paniculata, cfoliata, 

 vaginis paucis brunneis fissis compressis, saepius lamina parva lanceolata obtusa 



