PROF. OLIVER ON NEW PLANTS FROM RORAIMA 285 



315 or 311 (2 labels). Tillandsia stricta, var. ? 

 31 (5. Tillandsia, sp. ? Inadequate. 

 45. Puya (probably new). (Inadequate.) > J. G. Baker. 



300. ClPURA PALUDOSA, Alibi. 

 28. SlSTRINCHIUM ALATUM, Hook. 



298. Nietneria corymbosa, Klotzscb & Schomb. Top. 



297. Toeieldia Sciiomburgkiana, Oliv., sp. nov. (Plate XLIX. A. figs. 1-0) ; foliis 

 elongato-linearibus longe acuminatis minutissime ciliolatis longitudinaliter striatis 

 basi disticbe vaginantibus, scapo erecto tcreti glabro foliis longioribus, floribus 

 strictis racemosis pedicello erecto suba^quilongis, calyculi bracteolis ovatis acutis 

 perianthio 6-plo brevioribus, scgmentis periantbii erectis oblongis acutis valide 

 5-7-striatis. 

 Roraima, 6000 ft., Schomburgk; summit, E. F. im Thurn. 



Folia 3-12 poll, longa, ^-J poll. lata. Scapus J-2 ped. longus, 5-9 (3-co )-florus. 

 Flores flavido-virentes semipollicares ; periantbii segmenta temp, florif. acutata persis- 

 tentia rigida. Bractese ovato-lanceolatae appressse. 



Nearly allied to T.falcata, Pers. (T.J rigida, H. B. K.), from wbicb it differs in its 

 strict inflorescence and longer pedicels and flowers. 



Schomburgk describes the leaves as margined with red. 



257. Xyris Fontanesiana, Kuntb. 5400 ft. 



62. Xyris setigera, Oliv., sp. nov. (Plate L. A. figs. 1-8.) Subacaulis, foliis linearibus 

 setoso-acuminatis mai-ginibus minutissime setuloso-scabridis, scapo foliis 4-5-plo 

 longiore stricto gracillimo subtereti glabro, capitulo ovoideo paucifloro bracteis cori- 

 aceis obtusis ovatis v. ovato-ellipticis, staminodiis ad faucem corollse insertis bipartitis 

 penicillatis, antheris filamento libero longioribus. 

 Eoraima, 4000 ft., E. F. im Thurn. 



Polia 1-2 poll, longa, ^-^ poll. lata. Scapi 5-7 poll, longi, 1 v. 2 ex una radice ; 

 vagina carinata angusta foliis paullo longior. Bractese interiores cymbiformes oblongo- 

 ellipticae obtusaB v. emarginatse, \ poll, longae. Sepala lateralia linearia complicata 

 anguste carinata, carina obsolete denticulata. 



240. Xyris witsenioides, Oliv., sp. nov. (PL L. B. figs. 9-15.) Caulescens, caule decum- 

 bente sub scapo ssepius dichotomo, foliis rigidis disticbe arete imbricatis linearibus 

 longitudinaliter striatis glabris ad apicem acutissimum gradatim angustatis, basi 

 vaginante scariosa spadicea, scapo gracili foliis 3-5-plo longiore, capitulis paucifioris, 

 bracteis glabris obtusis v. interioribus majoribus emarginatis, sepalis lateralibus 

 incurvis rigidis carinatis carina scabriuscula, staminodiis flabellatim dilatatis longe 

 penicillato-plumosis, ovario apice rostrato, rostro persistente. 

 Roraima, ledge 7300 ft., E. F. im Thurn. 

 Folia 2^ poll, longa, 1 lin. lata, leviter falcatim incurva. Scapus in dichotomiis soli- 



tarius compressiusculus v. subangulatus, 6-9 poll, longus ; vagina foliis brevior. Capi- 



tida ^ poll, longa, bracteis baud arete imbricatis. 



