227 '■ 



dhitJi^ Euastrinn, Crucignna; Gonidlum^ Pedlastrum, Scerte- 

 desrnus^ Desmidium 



r A ^I. '• n t A T O 31 I N ^ s. Diatoniaccse. 



Algae miiToscop. ai^riohydr: et mirinae, cellulas polymor- 

 phas, solilaf. ])assim mobiles v- conjunclas rcfertntcs- CelUi- 

 larum tcsla s- loricn sihcea, diaphana, gonidiis flavis, fuscis 

 V- virentib. ct gullulis olcosis plcna, bivalvis <, globosa, cfi.s- 

 coidca V- 4-gona ab intercedente lamina parlibrli (schizopla- 

 ta noh., latcra primnria Kzg.) annulari, cyHndrica v- condu- 

 plicata ct quibusd. viltata; mhce planae v. convexae, passim 

 ostiolalie (?) v. arcolatae, saepe slriis transversis pcrviis v- in- 

 teriuptis, V. vi snlco (fissura) longitudinah medio notalae. 

 Trib. an famil. 4 v. plurcs? 



a. Bid dulphiecE noh. (Dlatorrtc&e arcolalae Kzg.): ccl- 

 lulic sihccie aslomae, comprcssae, discoidcae, ihomboid., an- 

 gidatae v. radiata?, solitariae v- islhmi gehnci ope concatena- 

 ti^; tcstc^ valvis utphirimum scrobiculilis et quibusd. porosis. 

 Plcrumque ^arinae et quaedam fossiles; famil. 6, gcn. 15, 

 spec. 95 a Kiitzingio dcscriplae: — Diclyocha, Mcsocena, Ac- 

 fi/dscus; Triceiatium; Zygoceros^ Viddulphia, Odontclla^ Isth- 

 mia; Tripodiscus; Amphipentas., Amphitetras; Actinocjclus^, 

 Coscinodiscus. . . 



b. GrajmnatophorecBn. (Diat. vitl.iloe Kzg.): cel- 

 luJae sihc- laeves v- slriatie, aslomae v. monostomae, cuneifor- 

 mes, flabellalae, scssilcs v. slipite gehneo suffidtae — aut ta- 

 bcllircs et in tabulas v. taenias connexae; srhizoplnta vittata. 

 Fam. 5, gen. 19, spec 61, Kzg: — Grammalojhora., Ta- 

 bellaria Hyalosira, TesscUa. . . Licinophora, Podosphertia. . . 



c. Diat ojnece n. (Diat- slriatae astomae Kzg.): reHuIae 

 astomae giobosae, elongatae, compressae, discoid., naviculares 

 V. cuneiformes, sohUar. v. concatenatae; valvae plcrumque striis 

 transv. perviis v- interruptis notalae. Fam. 5, gm. 18, spec 

 259, Kzg.: — Epithemia^ EumAia., Himantidium. Meridion.. 



