



- Ihk pahM othiac orrteia U known. 



tk *. bowmr, paa wfeieh thia auppoaition 

 Ml fcr M. Broaofcrt ">' Dr. Honk-r aa in.umamt- Ttw only 

 i W upMd to b. pal nu that ban bom found, are the 

 at fnuu. TUa* tiaiin< ar rmrrally obloaf 5<ided or 

 *J kodba. not am than an iorb luo. They have Wn 



Trtf, 



r by 



pbnU, or what are oonaidend analogous to them, 

 MrtJOB of the vrgeiable remaina of the north ,of 

 Tby are re|jran>ed by impreaaiona closely 

 a^abapnl ipaor* diapoaed in a ipiral manner, 



cm)* ltk* twrw, which'arc nuppoiied to hare produced 

 i bj fiJlinff off Whoa they branch they have often been 

 to do w in a forked or dkbotomoiu manner. Sometime* 

 iKry u minulv, and no Urger thun ziating Lytopuilia, but they are 



JUouf h DMT* (rafDMBta, were between 40 and 50 feet loinr. ami inuiv 

 lhao 4 frt in diameter. An idc of thoir appearance will be gained 

 frwn the accompanying figure of Lrpidodatarv* Slmbcrgii. 



admit* that with n--'r>l to thr mnxll K|nrif* 



Lycopodium ; lint 

 Uim- U nutliing rvnuuk.'ii'l- in tln-ir ntature. 



K.TIK are the mont i ill plant* in the nhnle of the coal, 



almoat erery yar<l or lea marked l'\ naiona, 



and very often onitainn _ ! m in great multitude*. It hu been 

 ntimntnl that of the vegetable rrnmiiiH belonging ' l-'!..r.i. 



one-half at Icart <>. They are in moat oaaei 



tute of fru ' . e urnmged in. ..r.liiit; t.i 



the y*trm in uae for renent upt-oie* ; ami oiiiix-ijiu -ntly M. A.l-.ij.li.- 

 BnniKniart, the great writt r upon tin MIX divide*! 



into genera cbaractcriMil <-lii<tly 1 iy the way in whirli the v.-ins are 

 diapoatd. Tin niiniliiT of fernx rondent it convenient that some uch 

 clarification ahould be formed, and M. t'l plun \\--> 



n.!..|.t.,l t,y all ( ,ther writers. It in no part of our object to (. 

 Mirh .letailn in thin place, but it will be uaeful to many of our reader* 

 to know what the difference* are between dome of the moat common 

 of them fonxil genera. Such are the folio " 



Peeoplrru conRUtR of Hpeciea whose leavea arc once, twice, or 

 pinnated, with the leaflet* cither adhering by the whole breadth of 

 ue, or by the centre only. The midrib runs quite through to 

 the point, and the veins are planted \ ,i.:t p-r 



LriiH^HxAta rarial-ilii. 



~~ -' * reaeinl.ling 



ealra. luck DO doubt Ulongrd to thn, but which are dirtinK 



^ "V^T ** ^fl-****"-* !> the aam formation, are f,.,,ml 



^SLtti^!^? 1 * "f n'-p oin i K in 

 !?^I3Lir d ' : P~ *" r 



liftMmilnm ; but u there U no actual certainty of 





 ' ' ' ' 



ar. warily quoted M an uutenoe of ancient .pecie. 



*"" ^ TW T "" ttn~ 



thrw or fimr fcH, an alw 





ib. nmt gWantic 



; a onnjrrtnre which in rendered the 

 ihat aome of the apecimen* of 

 MeotlcaJ with the wood of that 







Umrvnrlii .. n.H a I. 







PfcoplrriM lonchitita, n little m.ifroiflt'il. 



"pterii haii leavea dividf.1 like those of Peropttrii, but th. 

 rib does not reach the apex of the leaflets ; on the contrui 

 off right and left iuto veins, and gradually diiuippears. 



