PlupozoospDriiict^, LainiiiariMccro, Alaria. 325 



tis (luol)us oontexta, intorioro o scrichus })luril)us rollulnruiii uia- 

 joruiu an<fulataruui hyaliiiarum sa^[)ius inauium romposito, oxte- 

 riore e seriebus numerosis rellularum eudochromato farctarum. mi- 

 niilissiinaruHi deuse arcteque confertarum constante; memhraua 

 liaic extrorsum fills articulatis subclavatis denso ohsita, hiiic illiuc 

 maculis hemisphn3ricis glanduloefonnibus (fructum foventil)Us) or- 

 nata. Sporan^^ia piriformia, in basi filorum articulatorum pleuro- 

 ^^ena. Color frondis olivacco-fuscus. 



Spccies a geiiere exclusae. 



"i. Atlenocystis Durvillaei Hook. f. et Harv. T"l. antarct. p. iOR est 



('ori/cns )i((/i'CSCC)is Kjollm. 

 ;>. Adenocystis californica Tlupr. ost Coilodcsine californica (Rnpr.^ 



Kjollm. 



ALARIA Grev. [1830] Alg. brit. pag. 25 (Etym. ala, akc). Post. 

 et Kupr. Illustr. p. 10, J. Ag. Sp. I, p. 142, Gronl. Lamin. Fuc. p. 

 20. Reinke Beitr. Kennt. Tange p. 378, De Toni Syst. Uel)ers. Fu- 

 coid. 18!)1, p. 177, Kjellm. Handbok I, p. 19, Engl. & Prantl Na- 

 tiirl. Ptlanzenfam. 97. Lief. p. 25,5, G. Murr. Phyc. Memoirs part H, 

 p. X, t. XVI, f. 3-6, Orgyia Stackh. [1816] Ner. brit. II. edit. p. VIII 

 et XI (nomen at) auctoribus pra^termissum), Podopteris De la Pyl. 

 [1823] TI. Terr. neuve p. 23, PJiasgonon Walk. Gray [1821] Arrang. 

 brit. Plants I, p. 319, 385. Cfr. Rupr. Tange des och. Meeres p. 353, La- 

 ininarice, Fuci, Agari sp. auct. veter. — Frons magnitudine admoduni 

 ludens, quandoquo gigantea, stipitem et laminam foliiformem prse- 

 bens; stipes haud alatus, proliferationes foliiformes sporophylla pin- 

 natim utrinque evolutione acropetali gerens; lamina annualiter re- 

 novata, haud ramosa sed irregulariter laciniata, plerumque modice 

 tenui-membranacea. ciespitulis pilorum plus minus dense obsita. lon- 

 gitrorsum costa mediana singula solida aut cava sed loculatil per- 

 cursa. Canales muciferi nulli. Sori sporangiormn rnjiol;! lateralia 

 utrinque plus minus obt^gentes. 



Obs. De genere Alaria ex clari J. Agardh Sp. I, p. 142 se- 

 quentia addere placet: Frons juvenilis sistit folium minutum, co- 

 sta percursum et stipite brevi suffultum. Folium hoc sensim sensim- 

 que grandescit, donec certa adepta magnitudine pinnse inchoantur. 

 Stipes radice fibrosa rupibus adh;ereus. est inferne terotiusculus, su- 

 perne compressus, apice costa nunc teretiuscula. nunc complana- 

 ta. in unica specie inflato-fistulosa, continuatus. F^rons ambitu plus 



