!6 PhfcozoosporiiicT, Chordariaceae, MesoglOia. 



fcriori ad littora Algeriensia (Montagxe). — Frondes 1-2-pedales, 

 crassitiem pennaj anserinie s^pe superantes, e luteo aut fuscescente 

 olivaceffi, vage rainosissimge, rarais utrinciue pleruuKiue attenuatis. 

 Medium frondis reticulo laxissimo tilorum anastomosantium occu- 

 patur; versus superficiem abeunt liaic in fila liorizontalia furcata, 

 at quasi anastomosibus juncta, in stratum pauci-seriatum conniven- 

 tia, apice sporangia filis radiantibus involucratas gerentia. 

 Nlesogloia mediterranea J. Ag. Alg. Med. p. 33, Sp. I, p. .58 (excl. 

 synen.i, 'rill Al^;vrn. System. IV, pag. 28, Ardiss. Pliyc. Med. II, 

 p. 1U.J, Kuetz. Tab. Phyc. VIII, p. 3, t. 7, f. 1 (excl. synon. Mes. 

 tvrmicularis a. australis), Myriocladia mediterranea Crouan in 

 Maze & Schramm in Alg. Guadel. II edit. p. 113, Mesogloia Grif/l- 

 thsiana Erb. critt. it. ser. II n. 122 non Grcv. — Fronde cylindracea, 

 inajqualiter incrassata, fuscescente, vage ramosa, cellulis infrape- 

 riphericis grossis oblongis approximatis multiseriatis, articulis filo- 

 rum radiantium diametro parum longioribus. 



Ilal). in Algis epiphytica in mari Mediterraneo in sinu lugdu- 

 nensi-gallico ad Massiliam (Castagxe), in mari ligustico ad Portum- 

 Mauritium ct ad «Capo del Cervo» (Strafforello), in mari Tyr- 

 rheno ad oras insulre Sardinise (Meneghini), an eadem species in 

 uiari Adriatico ad oras Dalmatiffi"? (Meneghini); in oceano Atlan- 

 tico ad littora insulse Guadalupie (Maze) — Quoad formam Me- 

 sogloicv vermiculatce simillima et eodem modo ramificatione va- 

 rians, at structura diversa. In specie mediterranea est frons in- 

 tcrior filis anastomosantibus paucissimis percursa, sed multiplici 

 serie cellularum in stratum periphericuin coaloscentium cincta, et 

 ex hoc egrediuutur filamenta moniliformia siniplicia. Color fuscc- 

 scens. substantia subcoriacea. 



IVIesoglOia ramosissima Zananl. Enum. plant. mar. Rubr. p. 250, 

 II. .".■->. t. 1. I'. I. Mcso[//oiii rer,Hicularis Fig. et De Not. Alg. 

 iuar. Itosso p. 34 f'excl. synon.j. — Fronde cylindracea, jequali, 

 fnscescente, virgato-subdichotoma, ramosissima, cellulis infraperi- 

 phericis cylindraceis approximatis, articulis filoruin radiantium dia- 

 mctro sul)a'(|ualil)u s. 



Hah. ad « Suez et Akaba» in mari lUibro (Poutier). — Frons 

 15 cm. circiter alta, basi in statu sicco 1,5 millim. crassa, per to- 

 tam longitudinem fere eandeni crassitiem servans, subdivisionibus 

 ultimis exceptis, ubi paullulum attenuatur. Rami raniulique fre- 

 (|uenter irregulariter exeuntes, hinc indo brevissime ramellulati, 

 apicibus ut plurimum furcatis interdum luultifidis, axillis ouinibus 



