— 2360 — 
XLIV. PADINELLA resch. 
Thallus frondosus, plus minus reniformis, matrici ad- 
pressus, strato inferiori cellulis majoribus et superiori cellulis 
minoribus subquadratis concentrice ordinatis formato constru- 
cetus. Sporocarpia versus basin thalli informia. 
Genus forsan a Zonari im Linnaea 1845 p. 259 perpe- 
ram a me remotum et cum illa, fructificatione olim melius no- 
ia, conjungendum hic retinere cogor; differt ascis in thalamia 
formae indeterminatae maculaeformia coacervatis filisque  para- 
physoideis nullis. 
1. PabnINELLA PARYULA (rev. 
Zonaria parvula Grev. Crypt. FI, t. 560. 
Padina parvula Grev. Aq. Brit. p. 65. — IHarv. Man. p. 51. 
Padinella parvula a4fresch. Linnaea 18495 p. 260. t. IX f. 1-5. 
Planta junior in Ceramio rubro, adulta in Serpulis et prae- 
cipue in Ostrea eduli, in fundo 4—6- orgyali conchifero, v. c. 
in Bahusiensi mari extra Fishebachshil, in Segesáta prope Ro- 
ster etc. Prope Solsvig extra Bergen legit mihique communi- 
cavit Am, horen. — Jun. — Sept. 
Thallus nudo oculo nondum conspicuus reniformis, sub- 
erectus, basi fibrillas paucas emittens, deinde, licet rarius, 
longitudine usque pollicaris, formae magis indeterminatae, va- 
rio modo lobatus, e margine prolificationes reniformes saepe 
emittens et matrici pagina inferiori adpressus, coloris olivacei 
papyraceo-membranaceus.  Ásci subelliptici l. subobovati, ver- 
sus basin thalli in. maculas pauciores indeterminatae omnino 
formae atque magnitudinis collecti. 
