COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE. 15 
Thirty of the generic names found in the last table do not appear in 
the first. Of these 7 are the names of introduced genera, 7 have 
replaced later names, 1 has replaced a homonym, 7 are segregates, and 
8 are new since the publication of the Revision. 
GENERA NOT GIVEN IN THE REVISION, 
1 Anethum L. 
Aulospermum C. & R.=Cymopterus in part. 
Centella L. = Hydrocotyle in part. 
Cynomarathrum Nutt. =Peucadanum in part. 
1Cuminum L. 
Deringa Adans.=Cryptotaenia DC. 
Deweya T. & G.=Velaea arguta. 
Drudeophytum C. & R.=Velaea in part. 
Euryptera Nutt.=Peucedanum in part. 
Glehnia F, Schmidt=Phellopterus Benth. 
Hesperogenia C. & R. 
1Tmperatoria L. 
Leibergia C. & R. 
1Levisticum Koch. 
Lilaeopsis Greene=Crantzia Nutt. 
Lomatium Raf. =Peucedanum of all American authors. 
Musineon Raf.=Musenium Nutt. 
Oxypolis Raf.=Tiedemannia DC. 
1 Petroselinum Hoffm. 
Phellopterus Nutt. =Cymopterus in part. 
Pteryxia Nutt. =Cymopterus in part. 
Ptilimnium Raf. =Leptocaulis Nutt. 
Rhysopterus C. & R.=Cymopterus in part. 
1Scandix L. 
Spermolepis Raf. = Discopleura DC. 
Sphenosciadium Gray = Selinum capillaceum B. & H. 
Taenidia Drude = Pimpinella integerrima B. & H. 
Taeniopleurum C. & R. = Carum howellii C. & R. 
1 Torilis Adans. 
Washingtonia Raf. = Osmorhiza Raf. 
The following generic names used in the Revision disappear. Two 
genera, Coloptera C. & R. and Phellopterus Benth., become synonyms; 
Crantzia isahomonym; Peucedanum L., Selinum L., and Velaea DC. 
are excluded from our flora; the other genera give place to earlier 
names. 
GENERIC NAMES WHICH DISAPPEAR, 
Coloptera C. & R. = Cymopterus Raf. 
Crantzia Nutt. = Lilaeopsis Greene. 
Cryptotaenia DC = Deringa Adans. 
Discopleura DC. = Spermolepis Raf. 
Leptocaulis Nutt. = Ptilimnium Raf. 
‘Introduced genera. 
