K(6 CRYPTOdAMAK V ASCXl.ARES I.IGl'STICAE KTC. 



Old. II. MARSILEACEAE. 



H. I5ii. Proilr. iG6. K. Syii. p. 967. 



fCiiin millii Marsilciiceji vera rcpcvta sif itsi/iw/itic in Li^iiria, supev- 

 s'acaneum projeclo hie fovet /iitjiis ordinis tliagnosini cxpoiwfe , co po- 

 tissiniiim , qiioil T.metearian Tvihus , forte non immerito , ad ovdinciu 

 proprium , nc distinrttiiii <i recculiovihiis rvrcln csl). 



Trib. III. ISOETAE 



Bar'i I.. (_)i-(l. iiai. |>. i(). K. Svii. ctl. -2.' |). i)('9. I'^Mii.. (lon. p. 69. 



Sporothffia inemliraiiacea , obloiigo-ovala , vaginae i'olioriuu cxcavalac 

 iiuiata squamula seniilunari, corclato-lanceolata, \el I'orilalo-subrolunda 

 inipnsita tcnninata , iiulchi.sci'nlia, sitorangia dnplicis generis includentia: 

 alia inajora, quae sjiorolheciis exlernis insiuit , S[)haeroiilea , liine Irico- 

 slata , costis apicc simul eoiitluentibus , infcrne liorizonlaliler protluctis , 

 ae Huulum sporangium .siuim medio cingens fbrmanlil)iis, alba, vol ex 

 albo leviter eaeruleseenlia, serobiculata , vel tubercniata : alia minora fa- 

 rinaeea in sporotlieeiis vaginis cenlralibus passim aphyllis atlnalis inelusa, 

 oblonga , plus minusve scabra, hinc planiuscula, sulcocpie longitudinaliler 

 exeursa, primo albida, demum cinereo-plumbea : uti-aquc tandem in spo- 

 rolliecii eavitale libera. — Rliizoma subrolundum caniosum, foliorum gi'a- 

 niinilnnnium vaginis iiumerosis , laliusculis apprcssis , exlimis , lindjo fo- 

 liaceo elapso, saepiiis induratis tectum, subtus ni)ras radieales longas 

 iiumerosas gerens. 



Herbae ])erennes af[uaticae, vel terreslres, australes quamplures. 



ISOETES L. Gen. n. iiS^. 



(Charaeler idem ae Tribus ). 



1. Ddriaei lionv. 



Foliis angusle linearibus semileretibus in orbem leeurvatis , vaginis 

 exleenis, Umbo foliaeeo elapso, indui-alis apiee Iruneato breviter Irideu- 

 talis , lerrugiiieo-nilenlibus : sporotlieeiis oblongis ligula brevi seniilunari 

 terminalis: sporangiis niajoiibiis proruiide serobieulalis , niinoribus s(!a- 

 brinseulis. 



/. PiiritH-i I'jouv in ei>m|)l. lend. /\ead. des Scienc. iS. (,)un. i''^44)- — 

 /. I>iiri(iri lii(ustica DNtrs. in Kmi/,. ind. III. enlt. i8.to. p. .5 r ! 



