276 
PROF. OLIVER ON NEW PLANTS FROM RORAIMA. 
foliis digitatis, 5—7-natis, foliolis ellipticis, apice rotundatis v. seepius leviter emar- 
ginatis basi acutiusculis margine integerrimis anguste revolutis crassiusculis coriaceis, 
supra denudatis, reticulo nervorum densiusculo infra valde prominente, floribus in 
umbellas duas compositas superpositasque digestis, umbellulis numerosis, 9—-12-floris, 
pedunculo compresso elongato superne dilatato, radiis filiformibus basi bracteolatis, 
calycis limbo minute 5-dentato, corolla hemispheerica acutiuscula, petalis apice 
coherentibus demum а basi secedentibus, staminum filamentis brevibus, stylis in 
unum sulcatum 5-fidum latitudinem disci epigyni vix :&equantem concretis fructu. . . . 
Roraima. 
Allied to Sciadophyllum japurense, Mart. et Zucc., but differing in leaves, inflorescence, 
and style. 
Arbor. Rami supremi 2 ст. crassi. Petiolus communis 20 cm. longus.  Petioli 2-4 em. 
longi. Foliola 11-13 cm. longa atque 4-5 em. lata. Pedicelli 5-8 mill. longi. 
220. 
134 
6. 
69. 
29. 
135. 
83. 
145, 
185. 
163, 
VIBURNUM GLABRATUM, H. B. K. Base of cliff. 
CoccocYPSELUM CANESCENS, Willd., var. House. 
Котсновжал (Synisoon Schomburgkianum, Baill.). Aroie Creek. 
DECLIEUXIA cHIococcorpes, Н. В. К. House. 
SIPANEA PRATENSIS, Aubl. Arapoo R. 
CEPHAELIS AXILLARIS ?, Sw. House; upper slope. 
PsYCHOTRIA INUNDATA, Benth. 3500 ft. Upper slope. 
232. PsYCHOTRIA CRASSA, Benth.? House. Upper slope. 
PsycHoTRIA, sp. (=Schombk. 1018 В and Appun. 1103). Upper slope. 
920. PsycHOTRIA IMTHURNIANA, Oliv., sp. nov. (Plate XLII. A. figs. 1-7.) Glaber- 
rima ; ramulis gracilibus internodiis rectis subteretibus, foliis subsessilibus anguste vel 
lineari-lanceolatis acuminatis basi obtusissimis subcordatisve, costa prominula, 
nervis secundariis utrinque circ. 10-15 incurvis prominulis nervum marginalem attin- 
gentibus cum venulis intermediis, stipulis basi connatis deltoideo-subulatis brevibus, 
eymis terminalibus pedunculatis 9—15-floris laxiusculis bracteis obsoletis, calycis 
limbo 4-dentato dentibus deltoideis, corollze tubo cylindrico limbo 2-plo longiore. 
Roraima, upper slope and ledge, 7000 ft. 
Folia tenuiter coriacea flavescentia, 13—21 poll. longa, 1-2 poll. lata. Flores 2-22 lin. 
longi; corolle limbus 2-27 lin. diam., lobis ovatis obtusis, tubo intus piloso. Ovarium 
biloculare. 
191, 214. РвуснотвтА, sp. (Imperfect.) Upper slope and path. 
291. PsycHoTRIA? sp. Path to upper savannah. 
PsvcHOTRIA CONCINNA, Oliv., sp. nov. (Plate XLII. B. figs. 8-15.) Glaberrima, 
ramulis gracilibus atro-purpureis, foliis petiolatis parvis coriaceis ovalibus acutis v. 
acutiusculis, supra costa subprominula nervis lateralibus obsoletis, subtus costa pro- 
minente nervis secundariis utroque latere 7-10 prominulis patentim curvatis nervum 
