TtlJota. CERAMIEiE. 77 



I 



** Pinnis scepe adparenter aUernis, nempe admodum incequa- 

 liJjus, pimmlis indwisis altcrnantihus, pinnatipartitis aut 

 minimis aut ohsoletis, prcesentihus scepte repetitis. 



8. Pt. calipoenica (Bupr. mscr.) frondis decomposito-piiinatse 



pinnis in rachide ancipite oppositis admodum insequali- 

 bus, uua indivisa subinconspicue duplicato-serrata, altera 

 pinnatipartita seepe minima aut obsoleta, aut prsesente 

 et repetita, pinnellis basi angustioribus lanceolato-lineari- 

 bus cellulosis, sphserosporis in pinnellis transmutatis pin- 

 nul£e compositse pinnatim dispositis adproximatis demum 

 glomeratis, favellis involucratis, phyllis involucralibus ser- 

 rato-pinnatitidis cellulosis. Harv. Ner. Bor. Amer. p. 222. 



Ad Californiam. 



9. Pt. Asplenioides (Turn. Ilist. tab. 62.) frondis decomposito- 



pinnatce pinnis in rachide ancipite alata oppositis insequa- 

 libus, una indivisa subinconspicue serrata, altera pinnati- 

 partita ssepe obsoleta, aut preesente et repetita, pinnel- 

 lis a basi latiore lanceolatis cellulosis, fructibus supra 

 axillas secus marginem utrumque seriatis, sphserosporis 

 in glomerulum rotundatum congestis, favellis involucratis, 

 involucri ramis pinnatisectis articulatis. J. Ag. Sp. p. 

 98. Bkod. asplenioides Kiltz. tah. Fhyc. Vol. XII. 

 tah. 58. 



In Oceano arctico ad littus Siberise et in pacifico 

 ad littora Kamtschatkse et Americse. 



10. Pt. densa (Ag. Sp. Alg. p., 387.) frondis decomposito- 



pinnatse pinnis in rachide compressa-ancipite oppositis 

 insequalibus, una indivisa lanceolato-falcata extrorsum 

 serrata, altera composita ssepe abbreviata repetita, pin- 

 nellis incurvis extrorsum divaricate pectinatis, laciniis 

 acutis subserratis, sphserosporis in glomerulos oblongos 

 secus marginem interiorem pinnellarum seriatos, disposi- 

 tis, favellis. . . J. Ag. S^). p. 98. Harv. Ner. Bor. Am. 

 tab. 32. Pt. pectinata Harv. ap. Beechey Voy. 



In Oceano pacifico ad Californiam. 



