tissime connexis, cytioplasmate dilute aerugineo homogeneo ; cellulis
perdurantibus passim interjeotis, diametro subduplo longioribus; sporis
sphaericis singulis, v. v.
Diam. artic. ‘/too— ‘/500'" = 0,00012—0,00016", spor. ad */44o"'
= 0,0002", diam. transv. cell. perd. 1/350'" = 0,00022— 0,00025'
b. Forma tenuior, trichomatibus tenuioribus, '/soo — 'hso“‘ =
0 ,0 0 0 0 9— 0,00013" crassis, articulis subconfluentibus, ad genicula
parum constrictis.
Hab. in aquis oalidis thermarum Carolinarum, Baden-Badensium
(logi ipse et van d. Bosch sub Xo. 1 0 68.), Budensium in Hungaria
(A. Grunow); b. in thermis Baden - Badensium.
A. stagnalis Ktz. (Phyool. gener. p. 210 X. 4. Xostoc flos
aquae? Ktz. Actien 1836!). A. thallo mucoso-gelatinoso, dilute aerugineo
vel luteolo - aerugineo ; trichomatibus leviter flexuoso - ourvatis, subaequalibus
; articulis globosis et ellipticis inte rm ix tis, arote connexis,
subtiliter granulatis ; cellulis perdurantibus rarioribus e llipticis, articulorum
diametro subtriplo majoribus ; sporis sphaericis aureo-fuscis, artic.
diam. duplo majoribus, absque ordine interjeotis. v. v.
Diam. artio. '¡ n o— ' im '“ = 0,0001 — 0,00018", sporarum '¡mi
— 1/ 285'" = 0,00027— 0,00031".
Hab. in fossis, turfac fodinis, lacuum ripis aliisque similibus loois
Italiae ; Galliae, Belgiao (pr. Tormondo : Westendorp); Germaniae (Eatze-
burger See : K. Haecker, prope Danzig ; Dr. Klinsmann, ad Wittenberge
legi ipse) ; Austriae (pr. Berndorf ad Viennam et Erlaf See prope Mariazell:
A. Grunow.).
A. endogena Rabenh. A. trichomatibus flexuoso-curvatis, maxime
implicatis; articulis subglobosis vel anguioso - globosis, arcte connexis,
distincte granulatis ; cellulis perdurantibus homogeneis achrois reliquis
duplo majoribus; sporis sphaericis turbatis granulatis subooncoloribus. v. v.
Diam. artic. '¡000— '¡n o '“ = 0,00009— 0,00012", spor. '/s is '" =
0,00017".
Hab. intra thallum Spermosiroarum et Eivulariacearum quarundam.
Formam similem, forsan eandem in oonsortio Sphacrozygae laxae
invenit cl. A. Braun.
11 Formae tenuiores.
A. subtilissima Ktz. (Phyool. gener. p. 210. X. 9. Palmella effusa
Ktz. in Linnaea 1833. p. 375. X. 1.). A. trichomatibus solitariis
vel in stratum indeterminatum viride ac molle congregatis ; articulis
globosis aroto connexis, cellulis perdurantibus nullis (?), sporis sphaericis
passim in te rje c tis, articulorum diametro subtriplo majoribus. v. v.
Diam. artic. '/3000— ‘/«oo'" = 0,00003—0,00005".
Hab. in limo stagnorum, fossarum, laouum, minime rara.
X X X V I I I . § l i e i * m o i s i r a (Ktz. 1843); Cellulae vegetativae
plus minus compresso-disciformes ; cellulae perdurantes globosae
vel subglobosac, utroque polo pun'ctiformi - incrassatae, inter binas sporae
subglobosao, plerumque 3—8 seriatae, maturitate fuscae gignuntur.
Species omnes, unica exoepta, marinae vel submarinae sunt.
a. Formae sporis pluribus seriatis (Spermosira Ktz.).
Sp. turicensis Cramer (in Eabenh. Alg. X. 994. Hedwigia II.
p. 39. T. VI. F. 1 et 2.). S. expansa, saturate aeruginea; trichomatibus
liboris loviter flexuosis subreotis, apices versus parum attenuatis,
laxe congregatis ; articulis globoso - oompressis, diametro aoqualibus vel
duplo brevioribus ; cellulis perdurantibus globosis, articulorum diametro
paulo majoribus ; sporis plerumque 5—8 seriatis, rarius singulis, sphaericis
vel subsphaericis, saepius utroque polo subcompressis, granulatis. v. s.
Diam. art. ‘/goo— ‘/soo'" = 0,00014— 0,00017", sporarum ‘/ 320'"
= 0,00027".
Hab. in Populi nigrae succo effluxo prope Turicum Helvetiae detexit
cl. C. Cramer; in Populi trunco cavo prope Viennam (fide A.
Grunow).
Sp. Vriesiana Ktz. (in botanisch. Zeit. 1847. p. 197. X". 194.
Sp. major var. Eoseana Eabenh. Alg. X. 4 69!). 8. trichomatibus
leviter ourvatis, a equalibus, laete aerugineis, implicatis ; articulis diametro
duplo triplove brevioribus ; cellulis perdurantibus utroque polo
leviter oompressis, articulorum diametro paulo majoribus; sporis subsphaericis
g ran u la tis, s e ria tis , utroque polo subcompressis. v. v.
Diam. artic. ‘ /260 —‘/212'" = 0,00034—0 ,0 0 0 4 2 ", sporarum per-
feotc maturarum ‘/is4'" = 0,00048".
b. Brauniana Ktz. (Tabul. I. p. 54.), forma sporsis paulo minoribus.
Hab. in aquis marinis et salsis mediterraneis : ad Goes detexit
beat, van d. Bosch, in fossis prope Lceuwarden in consortio Lyngbyae
aeruginosae (Suringar), in fossis submarinis prope Malmö Sueoiae legi
ipse, in fossis salsis ad Salzungen Thuringiae legit A. Eöse, ad ripas
lacus „Xeusiedler See“ observavit A. Grunow; b. ad Friburgum Brisgoviae
(A. Braun).