INTRODUCTION. Xxl 
Loasacee. Salvadoraceze. Myricacez. 
Turneracee. -Polemoniacez. Salicineze. 
Begoniacee. Columelliacez. Lacistemacez. 
Datiscacez. Selaginez *. Empetracez. 
Cactacee. Batideze. Gnetaceze. 
Valerianacez. Cytinez. Bromeliacez. 
Dipsaceze. Chloranthacez. Mayacez. 
Calycerez. Penzacee. Rapateacez. 
Monotropee. Platanaceze. Cyclanthacez. 
Diapensiacee. Leitneriez. Triuridez. 
Lennoacee. Juglandaceze. 
4. Natural Orders represented in Mexico or Australia, but not known in 
the Indian Flora. 
In Mexico. In AUSTRALIA. 
Cistacez. Tremandrez. 
Vochysiacez. Stackhousiacez. 
Loasacez. Myoporinez. 
Turneracez. Balanopsez. 
Lennoacez. Centrolepidee. 
Lacistemacez. Restiacez. 
Bromeliacez. 
Cyclanthacee. 
5. Natural Orders not known to occur in India, Mexico, or Australia. 
Calycanthacez. Cyrillacez. Penzeacez. 
Sarraceniacez. Bruniacez. Leitneriez. 
Canellacez. Calycerez. Empetracez. 
Chlenacez. Columelliacecze. Mayacez. 
Humiriacee. Batidez. Rapateaceze. 
6. Indian Natural Orders not known to occur either in Mexico or Australia. 
Dipterocarpee. Selagineze. Triuridez. 
Dipsacez. Moringez. 
Salvadoracez. Diapensiacez. 
The phenomena of ordinal distribution as set forth in the six preceding tables 
demand a few words of explanation. Respecting the first table, it is remarkable how 
little it contains ; how few important orders, considered either as to their extent or 
structural peculiarities, in relation to the land-area of the rest of the world. The 
* Specimens of the South-African Dischisma capitatum, Choisy, were collected by Drummond in West 
Australia, but Bentham regarded the species as ‘ most likely introduced,’ and Mueller treats it as an 
undoubted alien. 
