56 



CRYPTOGAMES 



Tribus XV. DICTYOTEjE. Tliallus membranaceus planusplus minusve divisus. Thecse in soros 



aggregalse. 



160. Halyseris (lj polypoides, 161. Zonaria plantaginea. 



halyseris TARG. Tliallus linearis, membra- 

 naceus, stipitatus, costatus, oblique reticulalus. 

 Thecse in soros lineares, Costa? ulrinque vel mai - 

 gini approximalos dispositae. 



DICTYOTA. LA MX. Tliallus planus, membrana- 

 ceus, ecoslatus, reticulatus, dichotome vol irre- 

 gulariler lissus. Thecae in soros subrotundos 

 sparsos vel lineas transversales formantes col- 

 lecta;. 



162. Zonaria padina. 



163. Blacrocyslis 

 angustifolia. 



ZOBARIA AU. Tliallus llabelliformis, subcori- 

 sceus, integer vel flabellatim divisus, segmentis 

 ssepe intus percursis, e cellulis superficialibus 

 ||uulernatim approximalis subradiatim zonatus. 

 I liera- soros macuheformes, e slrato epidermatico 

 esurgentes formantes. 



PUNCTARIA, GHEV. Tballus planus, membra- 

 naceus, simple*. Tbec;e soros punctiformes per 

 omnem thallum dispersos formantes. 



Tribus XVI. LAM1SAIUE.E. Tliallus coriaceus, caulescens. Stipes sursum in laminam plus 

 minusve divisant dilatatus. Thecx in maculas abnormes dense aggregatx. 







lj 



i 



164. Laminai ia 

 digilala. 



165. Capea hirtincitiala. 



l<'fl. Asaruoi 

 Guielitii. 



lessonia, BOftV. Stipes solidus interdumosseus, 



inlus fascia longitudinali dimidiatus, ramosus 

 dichotomus, laminam explicans planam, eeosta- 

 lam, evesiculosam, a basi sursum divisam. 

 MACROCYSTIS, AG. Stipes solidus, inlus fascia 

 longitudinali colorata dimidiatus, ramos emit- 

 lens solidos , pralongos, in laminam abeuntes 

 pi'imum unilateralem, planam, simplicem , inox 

 a basi vesiculoso-inflata sursum lissam in lacinias 

 tandem penitus discrctas, et stipitis torsione di- 

 slichas. 



NEREOCYSTIS POST. et RL'PPR. Slipes fislulo- 

 sus, inferne filiformis, sursum incrassatus, apice 

 in vesicam inllalam, inflatus, emittentem stipel- 

 los. Slipelli 4-S fasciculati in laminam planam, 

 elongatam, membranaceam, a basi sursum fissam 

 abeuntes. , 



laminarïa. /..I.l/.V. Stipes simplcx et inlerdum 

 Gstulosus, vel bifidus et solidus, abiens in lami- 

 nam smiplicem planam, ecoslatam, indivisam vel 



Iblirll.ihni |i:i!iii;ilnii\r lissalll 



CAPEA, MONT. Stipes simplcx, solidus, abiens in 



du mieux llaliseris, couinir Ha lui' ra m. 



