644 
METASPERMAE OF THE MINNESOTA VALLEY. 
C. Table Illustrating Continental Development of Genera 
Represented in the Minnesota Valley.— Continued. 
* 
NORTHERN. SOUTHERN. EASTERN, WESTERN. 
Hydrocharitaceae 
Blades cash taint sues sega Mick ll koa eyelets ale aluteing casei BlOGGas wcccriccdineed HACC. ois 0% sanmeer 
s.o06 ane .. | Vallisneria.......... Vallisneria, ........]....-. a aia's scorarevanaresyerna eam 
ram|ineae. 
Andropogon......... Andropogon.........J...... deca se tauleateaes 
Panicum...... Panicum...........0.].. é 
Cenchrus.. Cenchrus... ce. se0. é 
ZAZA 00's, <anesaciners LAZANIA sasjsiaits sie he sisi we 
omaipcenenrus, H pmalocenchras.. siiare sie : 
Seaseeasiaas Phalaris ..| Phalaris.............] Phalaris. : 
Hierochloessis eas xe czmsacl mteasactvan secs: Hierochloé. ........ Hierochloe. . a 
meisieseee di Aristida, Aristida s 
Stipa.. SSesiale Bi Rei cielaieteinin * 
OLY ZOPSIS. scsc:cesdeammesihe, ocadacanieegec Gr eronuia scares 
ive cteradietniarurp aiaseio ter Muhienbergia.. Muhlenbergia... wlahereie | Siesiearowe sein ws 
eee ely Putra: Brachyelytrum Brachyelytrum.....|...... 0.00668 ‘ 
eR COR ELS ae aia wight aden abece > ace sini Alopecurus : 
eaieruaies SPOTODOlUSK. « esses. excess deaesenes . 
dts Sasraneyalejalaraiecsiarstate ais ajore. |, OUND B aisisteratecstadinetorciag [usesteiiaindigio ss tencrceasen ie eiee Cinna..... 
Agrostis --...; Agrostis. ... 
DeOyeurxdajein do vigisas |seesuinswk vswseuanes ased| s4eavestoowmamemonaie vies Deyeuxia. 
Deschampsia... 
Avena. 
Beckm 
Phragmites... 00.00. 
Scolochion.. 
Panicularia.. 
Agropyrum........-.... i 
Hordeum. ........ 
Hl Yy Mu S\.6s cajs000 45 wewates 
Hystrix......... Seer cig e eipied Meiaerattgiare 
Juncus........ 
CY WOROD] Biases aiscsion sseiacssenccsiat tase wveiere eaeahecasinacacetsustares fate 
Acorus.... 
annia..... .. 
Bouteloua.. 
Beckmannia.. 
Bulbilis 
Phragmites... 
Eragrostis... 
Eatonia.. 
Hemicarpha. 
Dulichium... 
- ens ss 
riacede. 
Dantbonia. 
Bulbilis.. 
Phragmites. 
Hraeroauss 3 
Eatonia.. 
Koeleria .. 
Poasess: 
Panicularia. 
“Agropyrum.,. 
Elymus... 
Hystrix. . 
Hem iserpha. 
Dulichium . 
inaceae. 
Tradescantia 
riaceae. 
cede, 
Juncus 
Spartina...... . 
es 
Eriocaulon.... 
Oyperella............ 
Poa.. 
.| Festuca... 
Bromus 
‘Hordeum , ‘ 
Mariscus 
Juncus 
Cyperella... ongieeates 
