196 
§. I. Trunci. 
1. ZAMITES CORDAI. Tab. LV. 
Z. trunco cylindrico rotundato - obtuso, rudimentis petiolorum squamaeformibus creber¬ 
rimis imbricatis adpressis spiraliter dispositis obovato - oblongis dorso longitudinaliter 
obtuse cristatis apice plagula rhomboidea plana concavaque instructis, structura in¬ 
terna Cycadeaceafum fossilium. 
Z, - Cordai. ' * i • ■ - ’ » *• 
In schisto litbantracum ad piscinam Malikowetz prope Radnitz Bohemiae. 
Exhibet figura 1 apicem trunci longitudinaliter fractum magnitudine naturali, et 
quidem a squamas, b corpus ligneum; 2 trunci particulam oblique compressam naturali 
magnitueine, ubi a squamas, b corpus ligneum indicat; 3 trunci partem naturali magni¬ 
tudine, c indicat squamas corticis optime conservatas, d schistum; 4 partem corticis cum 
squamis in ordine spirali dispositis carbonisatis et maxima parte destructis, naturali 
magnitudine, 5 et 7 particulam corporis lignei, cum fragmento medullae, naturali magni¬ 
tudine, 6 particulam corporis lignei auctam eeee vasa transversim fracta illud constituentia, 
f canalis medullaris, h vasa solitaria oblique et longitudinaliter fracta, gg schistus; 
8 particula corporis lignei aucta; hh vasa lignea transversim fracta, ii cellulae medul¬ 
lares, k schistus; 9 vasa transversim striata in longitudinali fractura, valde aucta. 
2. Z AMITES MEGALOPHYLLUS. 
\ i 
Z. trunco subgloboso depresso apice concavo rudimentis petiolorum spiraliter dispositis 
creberrimis contiguis (1 — 3 pollices longis, 1 / i — 1 pollicem in diametro minori, 
1-2 pollices in diametro longiori sectionis transversalis crassis) transversim ellipticis. 
Cycadeoidea megalophylla. Buckland in trans. geol. soc. lond. ser. 2. vol. 2 , pars 
3. p. 397. t. 47. f. 1, 2, 3. t. 48. 
Z, megalopbyllus. Presl. 
In silicem transversa in oolite insulae Portland Angliae. 
3. ZAMITES MICROPHYLLUS. 
Z. trunco breviter conico truncato, rudimentis petiolorum spiraliter dispositis creberrimis 
contiguis (circiter pollicem longis, tenuibus, angustis) transversim acuminate ellipticis. 
Cycadeoidea microphylla, Buckl. I. c. p. 398. t. 49. 
Strobilites Bucklandii. Lindi . et Butt. foss. fl. brit . fasc. 14. p. 133. t. 139. 
Cycadeoidea pygmaea. Lindi, et Butt. I. c. fasc. 15. p. 175. t. 143. 
Z. microphyllus. Presl. 
Cum priore in insula Portland, quoque in arenaceo Lias dicto ad Lyme Regis 
Angliae. 
4. ZAMITES BRONGNIARTI. 
Z. trunco cylindrico, rudimentis (vel basibus) petiolorum spiraliter dispositis creberrimis 
contiguis (circiter 3 pollices longis, 15 — 36 lineas in majori diametro, 9—15 
lineas in minori diametro crassis) transversim acuminate ellipticis supra planiusculis 
subtus convexis basim versus crassescentibus et latescentibus. 
Endogeneites echinatus. Brong. dass . veg. foss. p. 43. t. 5. f. 2 . Sternb. tent . in vers . 
fasc. 4. p . XXXVI. 
Z. Brongniarti. Presl. 
In saxo calcareo tertiariae formationis ad Vailli prope Soissons Galliae. 
§. II. Folia. 
5. ZAMITES DISTANS. Tab. XLI. fig. 1. 
Z. foliis pinnatis, pinnis distantibus alternis sessilibus oblongo-lanceolatis utrinque ob¬ 
tusis, inferioribus horizontalibus falcatis, superioribus patentibus, terminali petiolata, 
rachi tenui tereti, nervis crebris tenuissimis. 
Z. distans. Presl. 
In arenaceo Keuper dicto ad Bambergam. 
