TAXONOMY. 



167 



SUCCESSION OF FAMILIES. 



ACCOEDING TO THE CLASSIFICATION OF A. DB JUSSIEU. 



CRTPT0(3^AMS oe ACOTYLEDONS. 



CELLULAR. 



Angiospoebs. 



(Spores enclosed in the mother-cell, which persists, 

 under the name of theca). Algce, Characea, 

 Fungi, Lichens. 



GrMNOSPOEES. 



(Spores become, by the absorption of the mother- 

 cell, free in a common cavity). Hepatica, 



VASCULAR. 



I/ycopodiaceo!, Isoetce, JEguisetacecs, Ferns, Salvini- 

 acea, Marsileacees. 



MONOCOTTLEDONOUS 

 PHANEROGAMS. 



AaUATIC AND EXALBUMINOUS. 



Naiadem, Fotamece, Zosteracea, Juncaginece, Alis- 

 macece, Bidomaceee, Hydrocharidece. 



ALBUMiNorrs. 



Spadicifloeal. (Flowers in a spadix). Lemnacea, 

 Armdece, Typhacece, Palmacece. 



Glttmaceous. (Perianth absent, replaced by 

 bracts). Graminea, Cyperacece. 



ENANTlOBLASTE.a!. (Radicle antipodal to the 

 hilum). Eriocaulonea, CommelynecR. 



HoMOBl,ASiEJ3. (Radicle facing the hilum). 



Superpvarian. (Ovary free). Junce<e, Ponte- 

 deriaceee, Aphyllanthece, Liliacece, Asparagi- 

 nece, Melcmihaceee. 



Inferovarian. (Ovary adherent). Dioscorecs, 

 Iridece, AmarylHdeee, JlypoxidecB, Hema- 

 doracecB, Bromeiiacece, Musacecs, Cannece. 



ASOHIDOBLASIEJ!;. (Embryo undivided). Orchidece. 



DICOTYLEDONOUS PHANEROGAMS. 



GYMNOSPEEMS. 

 Cycadem, Abietinea, Cujyressineo!, Taxinece, Gnetacea. 



ANGIOSPERMS. 



DICLINOUS. 



Penbanihej!!. (Incomplete flowers, that is to sa}', 

 with one or no perianth). Caauannece, Myvioem, 

 BetuUneis, Cupulifera, Jnylandece, Salicinece, 

 Balsamiferce, Platanece, Moreee, Celtidece, TJl- 

 macece, Urticece, Cannahineat, Cynocrambeee, 

 CeratophyUece, SmirurecB. 



PL0TJSIANTHEJ5. (Flowers with a double perianth). 



Ovules 1-2, axile. Euphorbiacem, Empetracece. 



Ovules numerous, parietal. Datiscece, Begoni- 

 ace<B, Cucurbitacea, Nepenthece, 



Rhizanthb^. (Parasites on the roots of other 

 plants). Balauophorem, Cytinea. 



§ APETALOUS. 

 (Flowers with stamens and pistils, and 1 perianth.) 



Gtnandrotjs, (Stamens united to the pistil.) 

 Asarine(B. 



Pekigtnotts. Santalace'ts, Loranthace<s, ProteacecB, 

 Eleagnets, Thymehw, Lmirinea. 



Otclospeemejs. (Embryo annular). Polygone.ee, 

 Phytolaccece , Nyctagineee, Amarantacece, Cheno- 

 podiacets, Tetragomiacea. 



§ POLYPETALOUS. 

 Ctclospeeme.«;. Portulaee/s, Paronychieee, SilenecB^ 



Hypogynous. 



PLBUEOSPEEMEiE. (Plsjcentation parietal). Fran- 

 keniaceee, Tamariscineee, ViolariecB, CistinecB, 

 Besedacece, Capparidece, CrucifercB, Fumariacece, 

 Papaverace(B, Sarraceniece, Droseracea, Par- 

 nassiece. . 



CHL\MTDOBEASTB.ffi). (Embryo enveloped in the 

 embryonic sac, which is thickened into an in- 

 ternal albumen). Nymphceacea, Nelumhiece. 



