GENERA OF CLASS V. PENTANDRIA. 



7 3 



....Imperatoria Seseli....Cicuta ( water -cowbane). 7. With- 

 out any involucre, or scarcely any general involucre, and never any 

 partial one; Smyrnium (Alexanders).... Carum (caraway).... 

 Thapsia.-.Pastinaca (parsnip ) . . . Anethum (^7/;...iEGOPODiuM 

 (goat-vjeed).... Apium (smallage and parsley) ...Vimpinella (bwnet 

 saxifrage). 



Order 3. Trigynia, three pistilla, contains twenty genera ; Vi- 

 burnum (wayfaring tree) ... Sambucus (elder) ... Semecarpus... 

 Rhus...Crassine... Reichelia... Spathelia...Staphylea (blad- 

 der-nut tree ) . . .Tam aKix ( tamarisk ) . . .Dry pis . . .Turner a. . .S alm a- 

 sia.... Sarothra ... Alsine (chickweed) ... Telepheum ... Corri- 



GIOLA. , .PoRTULACARIA, . .PhARMACEUM...XyLOPHYLLA. BaSELLA. 



Order 4. Tetragyni a, four pistilla, contains two orders ; Par- 

 nassia...Eyolvulus. 



Order 5. Pentagynia, five pistilla, contains eleven genera, 

 which are disposed under the following arrangement. 1. Flowers 

 superior; Aralia...Glossopetalum. 2. Floivers inferior ; Cras- 

 sula...Giseckia...Linum ..Aldrovanda...Drosera fswra- 



doiO...MAHERNlA...CoMMERSONIA...SlBBALDIA... STATICE (thrift 



and sea lavender). 



Order 6. Decagynia, ten pistilla, contains one genus only ; 



SCHEFFLERA. 



Order 7. Polygynia, contains two genera ; Myosurus (mouse- 

 tail ) . . .Zanthorhiza. 



