746 



Radices hoc seiisii iisliilosao, quod fasciciiliis milralis 

 quo instniiiiitiir, per siiperficicin longitiidinalom angiistissliiunn, 

 strato cortical! earnudrm tantiini harrot. Hie fasciriiliis en- 

 ]or(*in caiidicantein oslcndlt, ceutro e vascii]is spiro-aiiniilari- 

 hiis qnahior ve] qiiiiiqiic duodccim qningrnlcsitiias milliiin'tri 

 partes diametro aeqiiantibns, constat, cellnlisqitc etongatis, 

 qiiarimi parietes fibris subtilissiniis loiigitndinalibus, liic paraU 

 Jelis, illic rcticulatim intertextis iuduiintnr, obvoliitiis est, 

 Cellulac ambientcs granulis amylaceis minutissimis scatent. 



Foliornm semper submersoriun et fluctiiantitim epider- 

 mis cellulis obloiigo-paralielogrannnis, siiperiora rersiis ina- 



gis eloiigatis, vix siil)indc hexagoiio-parallelogramniis, stoina- 

 tibus hie illic, sed parce, interjectis perslruitur. Sub epidcr- 

 mide stratus cell tila rum laxiorum, plerumqnc hcxagoiiarnm, 

 illis dissepimentornm lougitndinaliiim vix dissimilinm, chloro- 

 pbjilum foTeiifium. Dissepimeiita fraiisrersa, lacunas inter- 

 ripientia, ceJIulis stellatis, hexagono-radialis constant. Ubi- 

 que dissepiinenta transversa interne exstant, sulci transversales, 

 obsolcti in foliornm snperficie conspiciuntnr. 



Glandnia, snpra sporocarpiornm verticem in textu folii 

 exscnlpta , exbibet iinclenm cellulosura, cellulis aequalibus, 

 minutis, sphaeroideo-polyedricis, fere vitreis compositum, 

 dorsali parte, strato ce]lularnm spiro-annularinm, elongata- 

 rum, cum cellulis circuraambientibus amyliferis, corticatum. 

 Cellnlac in processn ipsins glaudulae cordiformi, eloiigatae, 



r 



chlorophyllo expertes, pallidissime ftiscesceutcs. 



Fascicnius fibrosus foliornm centralis praebet vasa spiro- 

 nunularia, terna tcI qnina, in planum paraliela, cellulis 

 prosenchymaticis excepta; peripheric!, statim snb epidermide, 

 ad dissepimeutornm longitudinalinm iusertionem siti, fascicnio 



cenlrali mulio tcuuiorcs, cellulis prosenchymaticis tautum 



