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19
ambiguis agitur in limitihus classium vicinarum Algarum
Fungoruinque vacillanlibus, sin specimen examinandum
liclien si t vcl alga, vel alioquin sin sit fungus vel lichen.
Licbenum caracteres in casu tali dubio microscopici
consulendi sunt:
l:mo Tballus, sa]lem gonidiis sæpissime manifeslus,
vel adbuc eristallis octoëdrieis oxalatis ealeiei et denique
rarius granis amylaceis majuseulis lentieularibus.
2:do Apothecia gelatina bymenea plerumque iodo
eærulesccnte *) vel vinose rubenle, quibusdain speciebus
modo sporis e cæruleo — infusealis. Sed mlerduin lliallus
hypophlæodes, tantura macula pius minus determiriata
in-dieatus, et substantia hymenii iodo tantum luteseit. Tunc
analogiis solis (præserlim. forma sporarum) delerininationein
confirmare licet.
Trib. I. Lic hin et.
Ad tribum hane accedunt duo genera: Stigoncma Ag.,
Kg. pr. p., eujus speciem apotbeeiis et sperinogoniis
de-texit in Gallia ineridionali aniieus Edw. Bornet, et
Pilo-nemo, Ny 1. in bb. Lenorm., n. g., quoque in Gallia
ob-servalum. In Seandinavia absrjue dubio nonnullæ speeies
hujus tribus ignotæ invemendæ, ni fällor. Sirosiphones
huc referendos esse omnino persuasum babeo.
Trib. II. Collemei.
In hac tribu aniinadvertendæ sunt variæ formæ. —
Synalissæ speciem examinavimus fructiferam, prope
Pari-sios alibique in Gallia obviam [S. picinam Nyl.), tballo
Glæocapsæ Kg. cuidam slruetura simillimam. — Collema
saturninum et C. Ilildebrandii ad genus Leptogium
transferenda, a»que ac Pannaria byssina, accedens ad L.
spon-giosum. Ites quidem inter se valde diserepantes continent
genera Synalissa, Collema et Leptogium, sed ca singula in
plura dividere vix fas sit, quando subdivisionibus variis
stirpes horum generum varios concipientes proposituni
*) Alibi animadverti Spliærias rjuasdam (ut Sph. Desmazierii
Berit, cl Sph. confluen(em Tode) obturaculum offerre singtiiare
gelatin osum thecarum iodo intense errrulescens. Similitcr jam ccl.
Hugo Molil gelatinam hyalinam stylosporas Septorice nlmi Fr.
in-glomeranlem iodo coiorem insignein cæruleum sumere obscrvavit.
Fnica sunt hæc mibi cogmta exemplu, ubi iu iiuctu fungorurn, iodo
addila, Oulor oritur cceruleus.
I
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