4C6 



Subr)f 4- bulbosa (Solenia Siilir), 5- CornucopiAe (RntcrcMiHirpha 

 Carmich.), 6. ventricusa DeC-, 7. in1es(iii»Us L,, 8. crispaia Bcriol, 

 9. Linza L.^ 10. Lactuea Cj., II. laljssima L., 12. uitibiliojilis Itoth, 

 13, nematoidea Bory, 14, fasciata Delil, 15. divisa Suhr, 10. uii- 

 cialis Subr., 17. ri^ida Ag, 'IS, plicata Fior. Dan,, 19. plaiica Suhr, 

 20. myriotroina Crouan, 2K reticulata Fursk., 22. tht^i'malis KiiU., 

 23. -crisp a Lightf., 24, pejitagonum Menegh, 



Die Gatttingen Uangia uiid PrasioU erhalten folgcnde verbes^ 

 serte Cbarakiere : 



Sangia> Thallus filiforrnis, subcompressus vel cyllndricas, so- 

 lidoB, e eetlolis fiuprautriculdribus uniserialibus, cellulas iiitrautri- 

 culares, in Hncas pai^altelas geminatas vel soljfai'tas ordiitatas, go- 

 nidia eltiptica bina parallela (oventes, iiicludeiitibus, coiiflatus. — 

 Species: 1, crispa Lyr»gb, 2, parasitic^ Sulir, 3. atropurpurea Ag,, 

 4. sericea Bory, 5, elegans Chauv., G, ciliaris Cbarmich., 7. lutea 

 Jac, Ag., 8- lacustris Cbarmich,, 9- biseriata Menegh. 10. tbeniialis 

 Menegh., II- pulchella Trevis-, 12. tenuis Kuiz. — Prasiola. Thal- 

 lus espansus velfilifoimis, planus v. cyliudricus, soUdus v. fislulosus, 

 e cellulis suprautrlcularibus inuhiserialibiis, cellulas iiitrautriculares 

 in tineas parallelas geiuinatas ordifiatas, goiiidia Fpbaerica quatuur 

 parallela foventes, includeiitibus, conflatus. ^- Species: 1. terrestris 

 JMenegb., % furfuracea (Ulva Hornem.), 3, caespitosa Weiiegh., 

 4. velntina Menegb., 5. fulvescens Trevis., 6. aureola (Ulva Ag.) 



Subordo III. COiNFEUVOIDEAE. Thallus e celiuiis eliipsoideo- 

 cylindraceis, apicibus truucatis cohaerejitibus condatus. 



Trib. 1. BalrachOifpermeae- Thallus e tilis pluribus flggreg**"'^ 

 gelatina nexis conflotus. I. Batracbosperoiuiu Kotb. 2. Thurea 

 Bopy. 3. Chaetophora Schrank, 

 Trib. 2. Confet'eeac, Thallus e filis solitarlis conflatus. 

 ^ubtrib, 1- Eucojifvrveae. Thallus e fills unrjuam copulatis con- 

 flaius. — 1. Ur;»parnaudia Boi-y, % lYlyxoinena Fries, 3. Wo'- 

 bocbaete Ag. 4- Chaiitiausia Fries, 5- Conferva h. 0. Apbi»' 

 luzooienon Morren. 7. Nodularia Wert. 8- Protuiieiiia Ag- r*^*- 

 Subtrib. 2. Zyynemvac. Thallus e filis postreoio copulaiis cm 

 flatus. ~ 1, IMougeotia. Ag. 2. Spirogyra Link. 3. Zygneuia 

 Ag, rel 

 Trib. 3. HydrOfUclyeac. Thallus e celhdis reliculatiin cunjii"icti« 

 conflatus. ^ 1, llydrodiclyuii Holh, 2. fllicrodictyt>n Decai^n*^- 

 Subordo IV, LYKGBYOIUEAE, Thallus e cellulis elongalii*, 

 ()nndricis, cellulas ullip*joidcu cylicidraceas iucludeutibus, couflatwi*. 



