464 
465 
^ 466 
'/ 467 
46s 
469 
i*_ 470 
^^71 
^472 
^ 473 
^474 
475 
476 
477 
47s 
^ 479 
s 4S0 
4ai 
K 482 
^ 433 
4s4 
^ 485 
4s6 
487 
✓ 488 
489 
_K 4go 
491 
492 
493 
4g4 
^ 495 
1/ 496 
' 497 
49 s 
499 
Collection : 
Glacier national park, Montana 
Summer, 1932 
§ 
u 
-D 
<u 
T3 
X 
ns 
J2 
O 
13 
2 
ns 
C 
0 
S 
u 
CJ 
4-1 
U 
Uh 
O 
>> 
u 
X 
>N 
O 
CQ 
O 
D 
0 
ns 
Oh 
O 
2 
6 
3 
w 
3 
s 
£ 
CO 
£ 
C/3 
3 
Spargaalum angustif olium Mi chat. 
Sparganium an ustifollum Michx. 
Snarganium angusti folium Michx. 
Srarganium minimum Fries. 
/ 
Srarganium angustifoliiaa Michx* 
Smarganium mul tins dun rail a turn ( *)or . ) 5 
db. 
Srarganius mu 1 1 i re dun cul a turn rt >* 
t' 
2anniehellia ralustris L. 
/ 
Potamogeton tenuifol ius iiaf . 
K* 
(alainus of Am. Auth.) 
potamogeton tenuifolius iaf . 
V' 
(alplnus of Am. With. ) 
Potamo&eton tenuifolius iaf. 
v 
(alpimiB of Am. With.) 
Potamogeton tenuifolius af. 
(al-oinus of Am, Auth.) 
potamog ton t enulf ol ius ttaf . 
(al minus of Am. Auth.) 
Potanogeton tenuifolius '-Mf . 
Potamogeton tenuifolius 3af. 
(aloinus of 4m. Auth.) 
Potamogeton enihy^ruR Haf . 
var* nut tall il ( gha®. d- dchle. )Forn. 
Potamogeton obtusifolius Mart. A Foe 
!• 
Potamogeton obtusifolius Mart, i Eoc 
i. 
Potamogeton Friesii unrecht. 
Potamogeton , rmr.ineus t». 
var. gr-s.iiinifolius Pries. _ 
Potamogeton gramlneus Z. 
var.. gramlnif olius Fries. 
Potamogeton rraelongus half. 
Potamogeton rraelongu* ‘Talf. 
If 
Potamogeton -oraelongus ?ulf . 
Potamogeton richardsonii (3enn. ) gydb 
• 
V 
Potamogeton richardsonii (Benn. )dydb 
i 
Potamogeton richardsonii ( Benn . ) ydb 
Potamogeton richardsonii (Benn. ) Eydb 
» 
Potamogeton richardsonii (Benn. ) dylb 
* 
Potamo geton richardsonii (Benn.) ydb 
» 
Potamogeton richardsonii (Benn. )ydb 
► 
Potamog ton richardsonii ( Benn. )!iydb 
1 
Po tamo, :a ton richardsonii ( Benn. ),iydb 
• 
Potamogeton richardsonii (Benn. ) By lb 
Potamogeton richardsonii (Benn.) ydb 
"otamognton richardsonii (Bonn.) iydb 
