61 
Long. 0,1 mm. Lat. 0,087 mm. Diam. nucl. 0,063 mm. (Tab. XLII. fig. 231. A). „Blätterkohle, 
Stigmarienkohle. “ 
Subdivisio CVIII. Exosporium inaequaliter incrassatum, membranaceum, integerrimum, in polis paulo 
productum, 1 I 2 - 1 U diametri transversalis corporis crassum. Formae majores, 0,461—0,39 mm. longae. 
622. Corpus late ovato-ellipticum. Exosporium glaberrimum in circuiter. Nuclei inaequaliter cras¬ 
sum, polis paululo productis, in polis V 4 diametri transversalis corporis crassum. Nucleus regulariter circu- 
laris lacunuloso-punctatus, fissuris latis. 
Long. 0,39 mm. Lat. 0,33 mm. Diam. nucl. 0,23 mm. (Tab. XXXIII. fig. 231). „Stigmarienkohle.“ 
623. Corpus irregulariter late ovato-ellipticum, marginibus subundatis. Exosporium, glaberrimum, 
in polis paulo productum, duplo crassius quam in lateribus. Nucleus regulariter circularis, verruculosus. 
Long. 0,461 mm. Lat. 0,31 mm. Diam. nucl. 0,24 mm. (Tab. XXXIII. fig. 230. magn. i/i)- »Stig¬ 
marienkohle.“ 
624. Corpus semi-ovato-ellipticum, marginibus integerrimis. Exosporium glaberrimum, inaequaliter 
incrassatum, margine uno recto, margine altero convexo, in polis productum, cum crassitudinis in margini¬ 
bus lateralibus. Nucleus regulariter circularis, fissuris usque margines attingentibus. 
Long. 0,398 mm. Lat. 0,24 mm. Diam. nucl. 0,22 mm. (Tab. XXXYII. fig. 254. Magn. V,). „Stig¬ 
marienkohle.“ In carbone compacta. Metschowk. 
Subdivisio CIX. Exosporium inaequaliter incrassatum, in ternis locis nuclei peripheriae productum, 
Vä—V ö diametri corporis crassum. 
625. Corpus subtriangulare, marginibus subconvexis, crenulatis. Exosporium lacunuloso-verruculo- 
sum. Nucleus regulariter circularis granulatus, fissuris tenuissimis. 
Diam. 0,069 mm. Diam. nucl. 0,05 mm. (Yol. II. Tab. LXXXXIY. fig. 232. D) .„Devonische Kohle.“ 
626. Corpus regulariter trianguläre, marginibus dentato incisis. Exosporium dense-verrucosum, ver- 
rucis in marginibus regulariter dispositis, centrum corporis versus decrescentibus. Nucleus regulariter cir¬ 
cularis granulatus, fissuris latioribus, volvatis. 
Diam. 0,377 mm. Diam. nucl. 0,24 mm. (Tab. XLVI. fig. 232. B. Magn. 1 h). „Stigmarienkohle.“ 
627. Corpus ovato-triangulare, marginibus convexis, integerrimis. Exosporium aequaliter subincras- 
satum (in polis paulo magis), furfuraceo-verruculosum. Nucleus regulariter circularis, lamina bilaminosa 
obtectus, granulatus, fissuris dupliciter volvatis. Lamina exterior indumenti nuclei crenulato-divisa. 
Diam. 0,394 mm. Diam. nucl. 0,25 mm. (Tab. XLIX. B. fig. 232. C. Magn. */i- Specimen cum plan- 
tula singula parasytica («). Trichostelium conf. (Tab. LI. fig. 24). „Stigmarienkohle.“ 
Subdivisio CX. Exosporium incrassatum, membranaceum, Nucleum sacculiformiter involvens, cri- 
brose-perforatum et reticulariformiter instructum. 
628. Corpus circulare, marginibus integerrimis. Exosporium l /4 diametri corporis crassum, lacu- 
nulis angulosis, densius positis cribrose-perforatum. Exosporii pars Nucleum involvens lacunulis angustio- 
ribus, rotundatis. Nucleus circularis. 
Diam. 0,1 mm. Diam. nucl. 0,046 mm. (Tab. XXXVII. fig. 253. fig. a. Exosporii externae partis 
pars major aucta. fig. b. Exosporii internae partis, Nucleum inducentis, pars major aucta). „Stigmarien¬ 
kohle.“ 
629. Corpus ovato-ellipticum. Exosporium 1 | 2 diametri transversalis corporis, usque diametro nuclei 
aequaliter crassum, membranaceum (in plurimis Speciminibus plicato-rugosum, plicis longioribus longitudi- 
naliter procurrentibus). Superficies tota usque ad Nuclei peripheriam volvulis numerosissimis, regularissime 
parencbymatico-reticulariter connectis obtecta. Volvularum pars superior spinulis erectis armata. Nucleus 
regulariter circularis, fissuris subtiliter volvatis. 
Diam. Long. 0,293 mm. Diam. Lat. 0,181 mm. Diam. nucl. 0,087 mm. (Tab. XLVIII. fig. 252. A. 
Specimen completum, Exosporio multipliciter plicato. Magn. Vi- a - Exosporii pars major aucta). „Blät¬ 
terkohle“, „Stigmarienkohle.“ Metschowk. 
