REGIONS AND AREAS OF DISTRIBUTION. 561 
Genera. 
Madeira. 
} 
| 
| Area of genera and observations. 
Brought forward... 
Cotula ....... OO 
Carla 
AtractyliS ............... 
Arcum — s.s 
Carduus 2... 0525060000 
Chicas 5 rre 
Cynara uL uuu 
SUY DUM ue oon 
Galactites oea e 
Volutarella . ...........- 
Tolgo esce cci iue P 
Piers eue xm 
Crepis |. 5 on 
Andryala Io sc A 
ypocheris canicas 
Leontodon....... SC secs i A 
Taraxacum  .....-.»..- 
Lactuca 3 os 
Pronanthos 3.00... 
Picridium ....... Pe 
Sonchus........., eee 
Microrhynchus ......... 
Tragopogon ............ | 
rospermum  ,........ 
Scorzonera... <. a.. 
7 2 | Endemic. 
— bo 
pl puami 
— bO o 
ia : 
Wire w: 
H a : 
Pom CÓ to: 
mee bo hoe! 
Ae eee ety! 
ai 
DIN e Co = bo bo 
t3: 
E pd et et DDD ee pu pl — O mt 
| mm 
— 
bat et LD et Q3 C2 m m mmus 
Introduced? Europe and South 
Africa. 
Introduced (American). 
North temperate and subtropical 
Old-World and America. 
Cosmopolitan. 
West-Mediterranean, Africa. 
Mediterranean (endemic section). 
Mediterranean. 
Introduced ? (Europe). 
Mediterranean, Europao-Asiatic. 
Mediterranean, Europo-Asiatie. 
Introduced ? (Mediterranean). 
Mediterranean, Europ.xo-Asiatic. 
Mediterranean. 
Mediterranean. 
Europeo-Asiatic, Mediterranean, 
North-African. 
Mediterranean. 
Mediterranean. 
Mediterranean. 
Introduced ? (Mediterranean &c.). 
Mediterranean. 
Old-World weed. 
Mediterranean. 
Mediterranean (one Old-World 
weed). 
Europxo-Asiatic, Mediterranean. 
West- Mediterranean. 
Old-World weed. 
Europxo-Asiatic, Mediterranean. 
Old-World weed. 
Europaeo-Asiatie, Mediterranean. 
Europxo-Asiatic, Mediterranean. 
Mediterranean. 
Europzo-Asiatie, Mediterranean 
(one Old-World weed). 
Mediterranean, African tropical. 
Mediterranean, Europxo-Asiatic. 
Mediterranean. 
Europxo-Asiatic, Mediterranean. 
From the above list must be deducted five genera, Vernonia, Age- 
ratum, Eupatorium, Solidago, and Soliva, containing each a single 
species introduced from America. Five more, Xanthium, Ambrosia, 
Siegesbeckia, Eclipta, and Bidens, are widely spread weeds of an 
2r2 
