118 Bibliographical Notices. 



share the task entrusted to me by D'Orbigny ; M. Montagne has 

 in consequence undertaken the cellular Cryptogams, and M. Decaisne 

 the monopetalous Dicotyledons, and especially the Compositce, which 

 are very numerous in the collections." 



Sertum Patagonicum. 

 Alg^, Roth. 

 Nostoc microtis, Montagne. Fronde minuta, cochleata seu difFormi, nuir- 

 gine acuto-sinuata, solitaria, cserulea pellucida; fills internis simplicibus, 

 curvato-flexuosis, moniliformibus. 



Ad saxa inundata secus flumen Rio Negro, faciei pronae inter radices, 

 Riccia; ? nigrescenti adhaerens. 



Conferva aculeata*, Mont. Csespite basi stuposo funiformi-ramoso, filis con- 

 stituto setaceis, siccitate nitentibus, radices implexos duplici origine ex- 

 ortos emittentibus, ramosissimis, ramis vagis, ramulisque strictis ascen- 

 dentibus subsecundis fasciculatis, supremis aculeiformibus, articulis cylin- 

 dricis diametro duplo triplove longioribus. Cum icone. 

 Ad infimum refluxus limitem in littore sinus S. Blasii. 



Laminaria ccepestipes, Mont. Radice bulboso, stipite terete in laminam 

 cuneato-oblongam crassam laciniato-multifidam expanso. Cum icone. 

 DurvillcBtt utilis, Bory, junior ? 

 Ad insulas Maclovianas, Gaudichaud. Littore Patagonico, D'Orbigny. 



Littore Chilensi (ad Valparaiso), Bertero. 



Macrocystis Orbigniana, Mont. Caule tereti, foliis lanceolatis undato-ru- 

 gosis margine dentato-ciliatis, vesiculis fusiformibus elongatis. Cum ic. 

 In oris Patagoniae. 



HEPATiCiE, Juss. 



Riccial nigrescens, Mont. Frondibus imbricatis e centro radiantibus nigro- 

 viridibus dichotomis, laciniis expansis obovatis, margine sinuato undulato 

 crispo ascendent!; sporangiis? in pagina inferiore elliptico-prominen- 

 tibus. 

 Ad terram in ripis fluminis Rio Negro. 



Florulce Boliviensis stripes nova vel minus cognita. 

 Algm. 

 Lynghya ferruginea, var. ? Ag. Filis aeruginosis in csespitem viridi-lutescen- 

 tem cseruleumque dense intricatis. 

 Ad littora Peruviana. 



Halymenial Doryphora, Mont. Fronde coriaceo-membranacea palmato-fissa 



integerrima segmentis acutissime lanceolatis, undulato^crispis spiraliter 



tortis. 



Ad oras Peruvise prope Callao. 

 Sphcerococcus laciniatus, liyngb. 

 var. I, centrocarpus, Mont. Fronde primaria sublanceolata obtus^ e margine 



prolifera, laciniis cuneatis iterum prolificis ; sporangiis sphaericis in ipso 



margine vel in processibus marginalibus undique spinulosis seu cristatis. 



An species? 



Ad oras Peruvianas juxta Callao. 

 Delesseria bipinnatifida, Mont. Fronde tenuissime membranacea costat§, 



* Now named by Montagne Conf. oxyclada, a species from the Cape 

 having been published by Suhr under the name first given. 



