AiiMl.M-t.n Al-ul,,-ic;i. '•■' 



sciii|i('r iiniiici-sas, iiitrn inaciihis rdiciili in n(i'ii(|iic ]ia.uiii;i (■iiviiiiiainl(iciit i-. a(l|ia- 

 rciitci- luidas, h. r. incinln'ana, s|ilia'i-iis|)(ii-a' taiilnm cxtrursiiiii (iMcclas. 



X(.c iiiilii cerliiiii viilelui' i|isiiiii dix'isioiiis (ii'ilinciii et niiiiicniiii (■cllnlaruiii 

 ficri modo a. ('rainer dcsci-ipto. V.\ iis, (|iia' vidi. ('(|ni(U'ni (ionjici'rcni ccllnlas pa^i- 

 nalcs stériles iiriinnm (dii'eetioiic (ipsins planta') lon^i^iludinaJi) in duas parto snli- 

 divisas tîeri, ipiamni unani (costn' iiroxiniani) scnsini in spluD'osporuni, altei-am 

 (marginein versns dispositani) stcrilcni al nltci'ins cxcrcscenteni et snhdividcndain 

 coniieereni. Cellnla, in splia'rosjjorani ti'unsnnitanda lit suo conliailn validiorc et 

 anil)itu ccrto inox spluerica; altcram inolliorein linxi et snb cxteiisionc -— in forniain 

 Fcrc dieeres leguuiinis Lali cditlls — sensini eirca cellnlani splia-rospora' (piasi eir- 

 cninriisain dicerein. Suh hoc ]>riore suo stadio cellnlani leuuissiina nieml>rana et 

 \-ix distingneiida einetan; putareiii; (pialein (jno(ine in pernniltis snis iconibns illani 

 deliiieavit Cramer, cnrvatnra et longitudiiie ]>ro siln ei nnitna cellularum ]iressioiie 

 [lanlisper diversam. Dnm hoc modo eirca spha'rosj)Orii'eram eellnlam. lit magis 

 magiscpie circumfnsa, eam in geminas ])artes suhdivisam suspicor, (|uaruui una 

 s(>cus paginam inl'erioreiu, altéra seeus snperiorcm extensiim pntarein. (idlvilas ita 

 formatas, anastomosihus invicein coninnctas, in straia superticialia, intra (|Uie splue- 

 rospora' (|nasi iinmersa' nidnlaiitnr, exereseere putarem. Spluerosporit\'ras vero cel- 

 hilas, his geminis divisioihhns sporas generare (juah-rnatas, satis constat '). 



In s|)eciminil)us antheridia geiierantibns soros videre eredidi ambitu magis in- 

 delinitos. nunc margini))ns segmentorum (ino(|ne magis vicinos. Celhihe ])aginales 

 in locis fertilibus magis divisa», iiec in ci'rtnm ordinem ita conspicue ac in sterili 

 fronde radiata' milii adparuernni. <,)nomodo snb iterata productione cellularum, 

 i))sa' cellnhe antheridiorum generantnr, nullnm certum judicium concipere valut, 

 Siiecimina antheridiifera minus beiie pra'parata et ])auoissinia tantum habui. 



(^lod attinet distinetionem speeierum, (piam ])roposuit Harvey, certum judi- 

 cium hiMJie vix auderem. In froiale juniore et perangusta, (|ualem ex Iludson 

 Uiver ad West Point a liailley lectam habui, celluhe pagiuales plurimte secus longi- 

 tudinem planta' excau-i'eiites adpareiit, i])sa' idongatu' et Costa- fere parallela', extiinis 



'; (^ualeiu froiulciiL sterileiii adnltiorein piiixit ('rainer, (■ellulis pa-inaruin auuulatis, certu et 

 sat cniispicno online dispcisitis, et i)arietil)ns snis tenniorilnis invicem ilistinctis, talem me (luoinu: 

 vi'lisse, cxpressis verbis dixisse iilacet. \h' plnrilms iconibns veru, in qnibus partes frondis spha^- 

 riis]i(iritera- depin-iintiii-, aninuulvertenclnni pntareni, eas ant stadia nuiiduni rite evoluta sistere, 

 aut ex partibiis non lieiie revivisceiitil)us delineata fuisse. .\e(ine ex verbis, .ini1)ns cvohitieneni 

 et stru<'turani sat coniplicatani explicare volnerit, me seinper ideam elaram ejus scntentiie een 

 cipere valnisso conliteor. Adposita. ^uttula acidi ninriatici strata supertieialia in soro maturescente 

 scniper vidi cellnlis reticnlatim junctis evidenter contexta; eellulas ipsas. in reticulum eoalitas, 

 \idi an-nlatas et anastomosiljns jnnctas. Spluerosporas innnersas vidi,, nec easdem in iis cellnlis 

 çvolutas ])Utareni, (piibiis strata supertieialia t'ormantnr, ipiod ex icene Ttih. Ifl.Ji:/. lu cemparala 

 explic-atione assumsisse videtur Cramer. Adspectum ven., (|uem in mnltis suis iconibns reddeve 

 x,,liiit, me (iiin.|iic snbsiniilem vidisse in spceiminibus, iiuie aut soros juniores gérèrent, ant eb 

 pr;eparati<niein maie |ier<luctain minus bene reviviseentes milii adparneruiit. Qua» omnia in-eiine 

 ciiilileiida inilii adpunierunt. Structuram planta', adpaienter simplicidn'in, rêvera, admndinn cun 

 plicatam esse putarem. (inalem ipse banc concipere valui, talem me reddere clebnissc piilavi. 



I.uiuls Univ. Ai-fcskrift. ïom. XXX. ^^ 



