Bibliographical Notices, 419 



linear! e margine bipinnatim prolifera, pinnis lineari-lanceolatis iiervosis 



patenti-erectis. Cum ic. 



Prop^ Valparaiso. 

 Delesseria phjUoloma, Mont. Fronde tenuissima avenia oblonga e margine 



prolifera, i-amentis subpedicellatis basi rotundatis, apice vage fissis, lobis 



emarginatis, soris in disco frondis sparsis. 



Prope Callao. 

 Delesseria peruviana, Mont. Fronde elongate basi cuneata nervosa bis bi- 

 fida, segmeutis lanceolatis acutis, soris in disco frondis sparsis. 



Ad Callao. 



AcROPELTis, Mont., nov. gen. 



Char. Essen t. Semina pyriformia in apotheciis clypeiformibus terminali- 

 bus nidulantia. 



Char. Nat. Radix scutulata. Caulis filiformis in frondem mox explanatus. 

 Frons linearis eandem latitudinem ubique servans margine denticulate 

 vel ciliata, apice modo truncata, et turn e medio truncaturae prolifera, 

 modorotundato-ampliataspeciem ferenspeltse cuigongyli immersi. Fruc- 

 tus : semina pyriformi-clavata primum omnino intra frondis substantiam 

 immersa, tandem erumpentia prominula, et scutam orbiculatam in quam 

 frondes desinunt, scabrosulam reddentia. 



Acropeltis chilensis, Mont. Fronde lineari plana subsimplici vel basi fili- 

 formi tantum ramosa, margine denticulata, apice truncate interdum pro- 

 lifera, peltis gongyliferis terminalibus. 



Alg^ Olivace^, /. Ag. 



Desmarestia peruviana, Mont. Fronde plana membranacea ecortata mar- 

 gine dentata tripinnata, pinnis pinnulisque oppositis lanceolatis. 

 f Juxta Callao. 



Out of sixty-six species of Alga collected during the voyage of 

 Orbigny, M. Montagne remarks, twenty are quite new. The Flo- 

 ridece predominate, which accords with the observation of Lamou- 

 roux, Agardh and Bory, and is confirmed by the younger Agardh, 

 that the more we approach the equator the more rose-coloured Alga 

 prevail. The Fucoidea are very few, but the number of species is 

 in a manner compensated by the size which they attain, as for ex- 

 ample Durvillaa utilis and the species of the genus Macrocystis. 

 There is but one species in the Polar seas which can for a moment 

 be compared with them. 



Hypoxyla, DeC. 



Sphcsria portentosa*, Mont. Lignosa simplex elongato-linguiformis, atra 

 undique peritheciis superficialibus ovato-globosis crassis papillatis tecta; 

 stipite glabro. 

 Ad ligna Cochabamba in Bolivia. 



Fungi, L. Juss. Fr. 

 Geaster (Plecostoma) ambiguus, Mont. Peridio exteriori simplici multifido 

 rigescente subinvoluto, interior! sessili ore piano- conico plicato-striato. 

 Ad terram in provincia Bolivia de Chiquitos. 



* This and some other species have been published in late numbers of 

 ' Ann. d. Sc. Nat.' since the text from whence the characters are taken was 

 printed. 



