CRYPTOGAMIA. ^8^ 



Series PRIMA, 



DICOTYLEDONE^-CRYPTOGAMiE, Nobis. et Reichenb. 

 {^Characece y Equisetacece ^ LycopodiacecB.'^ 



Ordo primds. — Cdarace.e. 



Vegetatio (i). Plantoe aqnatlca; , annuae , articulatae , 

 raraulis verticillatis , evaginatoe, 



Fruct. Fructus secus ramulos dispositi , monospermi. 

 Pericar[)iura duplex , exterius luenibrana- 

 ceum , pellucidum , quinquedentatum , in- 

 ternum durum opacum , valvulis 5. angustis , 

 spiraliter tortis conflatum, Cotyledones op- 

 f»osili. 



Ohs. Ordo acceJens ad Ceratophylleas inter Ona- 

 graiias Juss. 



5^1, Chara, Yaillant, Vaucher. ~ fructus bracteati , 

 caules crustati, 



5^3,. Nitella. Agardh. — fruclus nudi, caules pellu- 

 cidi , licves. 



Ordo secundus, — EQuisF.TArE^. Richard. 

 Equiselince auct. [Qonopteiides, Willd.) 



P^eg. Plantoe perennes terrestres aut aquaticse , Rhizo- 

 niale donaloe , striatie , articulatee , ramulis 

 nullis aut verticillatis , articulatis, vagiuataj. 



Fruct. Spicae terminales , squamis (receptacuUs) pel- 



(i) In plantis.itnperftclioribus status fructiferus quum baad 

 secnper occurrat, de earum vegetationis orgauis , iitcuoa babi- 

 talione dicere utile duximus. cbaracleres [jkrasque uounisi sub 

 lente optiaia, aut nuscroscopio composilo sepius indajjari posse 

 tiroues moneaatur. 



III. 2o 



