418 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 Composite, which 

 are very numerous in the collections." 



Sertum Patagonicum. 

 Alg^, Roth. 

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

 gine acuto-sinuata, solitaria, ccerulea pellucida; filis internis simplicibus, 

 curvato-fle2iuosis, moniliformibus. 



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

 RiccicR ? nigrescenti adhaerens. 



Conferva actdeata*, Mont. Caespite basi stuposo funifovmi-ramoso, filis con- 

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

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

 dentibus subsecundis f'asciculatis, supi'emis aciileifbrmibus, articulis cylin- 

 dricis diametro duplo tviplove longioribus. Cum icone. 

 Ad infimum refluxus limitem in littore sinus S. Blasii. 



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



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



Durvilleea ufilis, Bory, junior? 



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

 Littore Cliilensi (ad Valparaiso), Beitero. 

 Macrocysti.1 Orhigniana, Mont. Caule tereti, foliis lanceolatis undato-ru- 



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



In oris Patagonise. 



Hepatic^, Juss. 

 Ricciat vigrescens, Mont. Frondibus imbricatis e centro radiantibus nigro- 



viridibus dichotomis, laciniis expansis obovatis, margine sinuate undulato 



crispo ascendenti ; sporangiis ? in pagina inferiore elliptico-prominen- 



tibus. 



Ad terram in ripis fluminis Rio Negro. 



Florulee Boliviensis stripes novce vel minus cognitee. 

 Alg^. 

 Lynghya ferruginea, var. ? Ag. Filis seruginosis in casspitem 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 Peruvias prope Callao. 

 Splicer ococcus laciniutus, Lyngb. 

 var. B, centrocarpus, Mont. Fronde primaria sublanceolata obtusa e margine 



prolifera, laciniis cuneatis iterum prolificis ; sporangiis sphcericis in ipso 



margine vel in processibus marginalibus undique spinulosis seu cristatis. 



An species? 



Ad oras Peruvianas juxta Callao. 

 Delesseria hipinnatijida, Mont. Fronde tenuissime membranacea costata 



* Now named by Montague Cow/, oxyclada, a species from the Cape 

 having been published by Suhr under the name first given. 



