Bnngioidea^ Bangiacea?, Porphyra. 19 



vata, ssepe curvata, interdum vage laciniata, densius et profunde 

 undulata, margiiie edentata, subsequali, inferne e cellulis clavatis 

 gracilioribus, capitibus elongatis, superne e cellulis brevissime ir- 

 regulariter prisiuaticis, srepius quadrangulatis, diam. 15-17 [j, sub- 

 isomoi*phis, in sectione transversali frondis lumina cellularia sub- 

 quadrata prsebentibus, parietibus tenuioribus, lamellula mediana 

 distincta, constructa. 



Hab. ex Japonia; tantum ut mercimonium cognita. ~ Frons 

 3-5 cm. alta, 1-3 cm. lata, 15-20 a crassa, violaceo-purpurea, 

 opaca, tenuissime membranacea, chartae arcte adhgerens. Species 

 dioica, antheridiis maculas marginales demum confluentes forman- 

 tibus, nullo certo ordine dispositis, sporas 8 vel pauciores generan- 

 tibus, nucleo subcubico, diam. 20-27 p.. 



14. Porphyra areolata Kjellm. Jap. Arter af Sliigt. Porphyra (1897), 26 

 p. 8, t. 2, f. 1-4, t. 5, f. 1-3. — Fronde brevissime stipitata, maju- 

 scula, supra basin reniformiter expansa, lobata, lobis perpaucis 

 ovato-lanceolatis vel obovatis, profunde et sat crebre undulata, 

 margine dentata, dentibus crebris sparsis, inferne e cellulis clavatis, 

 capitibus crassis, rotundato-pyriformibus, superne e cellulis pris- 

 maticis, polygoniis, 15-30 \j.. crassis, heteromorphis, in sectione 

 transversali frondis lumina cellularia sesquialtiora ac crassiora proe- 

 bentibus, parietibus crassis, mucosis, vix lamellosis, lamellula me- 

 diana fere inconspicua, constructa. 



Hab. lapidibus arenosis affixa, ut videtur solitarie crescens, 

 ineunte Augusto sporocarpiis maturis obveniens, pr. «Kobe» Ja- 

 poniaj. — Frons saltim 10 cin. longa, parte monostromatica infima 

 60-65 cm. latis, ex hepatico purpurascens, subopaca, membranacea, 



chartse arcte adhaerens. Species dioica, spermogoniis , sporocar- 



piis areolas formantibus, vulgo 8, interdum plures vel pauciores 

 sporas generantibus, nucleo subcylindrico-ellipsoideo, circa 30 ^a. 

 alto, 15-20 [j. crasso. 



15. Porphyra carnea Grun. in Piccone Alg. Croc. Corsaro p. 51. — 37 

 Fronde (monostromatica) suborbiculari, irregulariter fissa, dilute 

 carnea. 



Hah. in oceano Atlantico ad littus insulae Maderae (Liebetruth). 



— Crassities frondis 60 u. aequat. Cellula^ vegetativae magnae, 20 [x. 

 diam. metientes, endochromate 10 p. lat. Frons circ. 10 cm. diam. 

 aequat. 



16. Porphyra? Grayana Reinsch Contrib. Alg. Fung. p. 59, t. 31, f. 1. 28 



— Fronde plana, late elliptico-ovali, marginibus planis basin ver- 



