- Bu — 
dibus, saepe nullis aut subnullis; ramulorum faseioulis distan- 
tibus, late ovalibus vel late triangularibus, alternantibus vel 
oppositis vel triplo verticillatis, sparse ramosis, patentissimis, 
ramulis cum pila longissima robusta termimali; oosporis 
globosis, moniliforme conjunctis; sporodermate crasso. — 
Philadelphia. 
Rhodophyceae., 
Porphyredium magnificum Wood. Sp. n. P. cellulis 
globosis vel subglobosis, rare nonnihil polygonis; eytioplas- 
mate purpureo, granulato; eytiodermate crasso, haud lamel- 
na ‚Diem cell. cum tegum. °—1g 4000“, 8. tegum, Yoo00 
116000 - 
Chantransia expansa Wood. Sp. n. Ü. caespitosa, in 
lapide stratum saturate violaceo-purpureum lubrieum, inde- 
finite expansum formans; filis purpureis, modice ramosis, 
fere 2 lineas longis et ramis plerumque strietis et reetis, 
saepe elongatis; ramulis fertilibus brevibus, aseendentibus; 
articulis diametro 3— 8 plo longioribus, extremis obtusis; 
polysporis in ramellis lateralibus racemosim et confertim 
cumulatis, ovalibus vel nonnihil obovatis Diam. fil 19506 = 
‚0004 “; spor. transv. Yagsn“ = .00027%, long. Yaseoo“ = 
dd 
0004 #. 
Appendix. 
Anabaena gigantea Wood. Sp. n. A. thallo nullo, tricho- 
matibus singulis et numeroso - consociatis, natantibus, rectis, 
in aetate juvenili spiraliter convolutis; articulis plerumque 
subglobosis, arcte connexis, granulosis, cellulis perdurantibus 
interjeetis, articulis vegetativis subaequalibus utroque pole 
rg incrassatis, subsphaericis; sporis subsphaerieis. 
iam art. vegetat. max. Usyooo“; cell. perd, Yon“ = 
.0005°; spor. diam transy. 1'400“, long. Yuooo“ = 001”. 
Inter Coelosphaerium (dubium Grunow ). 
P. Riehter. 
Vittore Trevisan, Lichenotheea veneta. Fagc. V 
et VI. Bassano, 1869, 
Enthaltend die Nummern 147— 207: 147) Alectoria 
jubata var. chalybeiformis Ach., 148) Evernia divarieata Ach,, 
149) Encephalographa Elisae Mass , 159) Peltigera eanina 
Hoffm., 151) Arthonia quercus Trev,, 152) Caldesia didyma 
Trev. (= Arthonia didyma Körb = Arth. pineti Körb. 
syst.) Diese neue Gattung wird so characterisirt: 
Apothecia maculaeformia rotundata vel rotundato-ob- 
longa, rarius obsolete lobata vel difformia, jam primitus 
aperta, innateradnata vel adnato-superficialia, exeipulo quo- 
libet destituta iimmarginata, ochraceo-fusca, fusea vel nigra. 
