718 
METASPERMAE OF THE MINNESOTA VALLEY. 
The tables of these nine combination groups are as follows 
20. The North-East Specific Element. 
No. of | Percent. of all| N. E. per cent. 
species. N. EH. of each. 
Monocotyledones............ 24 41.9 7.2 
Archichlamydeae ........... 20 35.7 4.3 
Metachlamydeae BoP CT nes 12 1.4 3.1 
Total Nis Bisnis eevee ess 5B | Svexcedsies Seeied| eb ¥ eee weed bee 
N.E. per cent. of all 
SPEClOS), j.c.24.cumacuare oe eadade Areal. | |asaciaaand ete satel saaeeseae eos eateliai 
21. The North-West Specific Element. 
No. of {Per cent. of all] N. W. per cent. 
species. N. W. of each. 
Monocotyledones........... 6 21.4 1.8 
Archichlamydeae............ 15 53.5 3.2 
Metachlamydeae ............ 7 25.0 18 
"Total: Nia Weaiaeeciene aa Q8e. ile reader gle tameetiuan| tane.alerd tye b/oee aud 
N. W. per cent. of all 
i Bie) lives yG, abdul edesugelsten widens 
22. The North-East-West Specific Element. 
No of | Percent.of all] N.E. W. per 
species. N.E cent. of each. 
Monocotyledones.........-- 72 86.7 21 4 
Archichlamydeae........... 80 40.8 17.2 
Metachlamydeae........... 44 22.4 11.5 
"Potal IN. I6. W ecesevdsec ee IOC Nsagenniia cada had hiaaiiiere cel rake cece 
N. E. W. per cent. of all 
BDCCIES cose c eed whew. cm ees UG s1e_N taofatey teeta acl saaneatoieraneth oe careseades 
