208 Statistics of the Flora of the Northern United States. 
List He the Natural Orders of the Flora of the Northern United rs 
the number of Genera and Species comprised in them,—distinguish- 
ing the introduced and the indigenous Species,—and of t the indi igo 
Species common to this district and to Europe. 
Cuass I. DICOTYLEDONZ S. EXOGEN 2. 
WholeNo. — — Sit baie a No, of Indigo 
Orders. of Gener — naventve of Species, ——— F cm , 
Susctass. [. : 
GIOSP i 
Ranunculacesz 21 20 6 55 49 10:5 a 
Magnoli 2 2 6 6 iM 
Anonacez, 1 1 1 1 we 
Menispermacez, 3 3 3 3 
berida 5 5 1 6 5 2 
_Nelumbiacez, 1 1 1 1 = 
mbacez, 1 1 1 3 a 
pheacez, 2 2 3 3 1 oe 
Sarraceniaceer, 1 1 2 2 a 
Papaveracee, 6 2 5 7 2 : 
ariacez, 4 3 1 " 6 : 
Crucifere, 20 16 14 60 46 1} = 
Capparidacez, 1 1 1 tf 
acer, 1 1 1 4 
Violacex, 2 2 a1 5.48 koe LS 
Cistacez, 3 3 7 7 , 
Droseracex, 1 1 4 4 9-408 
Parnassiacez, 1 1 3 3 1: 
Hypericaceze, 3 3 hol 19 18 . 
Elatinaceex, 1 1 1 1 o 
Caryophyllacez, 19 11 17 47 30 18. 3 
Portulacacer, 4 3 1 5 4 fa 
Malvacez, 9 7 6 15 9 2 
Tiliacew, 1 rf 2 2 * 
Camelliaceze, 2 2 2 2 ae 
Linacez, 1 1 2 2 : 
Oxalidacez, 1 1 3 3 ae 
Geraniaceex, 2 1 2 5 3 rs 
Balsami 1 1 2 2 
Limnanthacex, 1 1 1 1 
Rutaceex, 2 $ : 3 3 
Anacardiacex, 1 1 6 6 
Vitacer, 2 2 4 7 
Rhamnacez, 4 4 1 7 ee 
Celastracez. 2 2 3 3 
Sapindacez, 4 4 1 11 10 
; ygalacez, 1 1 13 13 
eguminose, 36 33 14 105 91 4 
Rosacezx, 18 17 5 76 71 16 
