MONGECIA 
POLYANDRIA. 
iO binervis, B. 
green-ribbed 
11 pulla, B. 
Russet 
12 caespitosa, B, 
tufted-bog 
13 acuta, A. 
slender-spiked 
14 stricta, B. 
straight-spiked 
15 paludosus, A. 
lesser-common 
16 riparia, A. 
great-common 
IT lapvigata, B. 
smooth-stalked 
18 vesicaria, B. 
short-spiked 
19 ampulacea, A.B. 
slender-beaked 
20 filiformis, B. 
slender-leaved 
21 limosa, R. 
green and gold 
22 rariflora, B, 
loose-flowered 
23 ustulata, B. 
scorched-Alpine 
24 pendula, B. 
great-pendulous 
25 teretiuscula, B. 
lesser-pan icled 
26 paniculata, B. 
great-panicled 
27 axillaris, B. 
axillary 
Davalliana, B » 
DavalPs 
TETRANDRIA. 
Littorella, 
Shore-weed. 
1 lacustris, A. 
Plantain 
POLYANDRIA 
Ceratophyllum, Horn -wort. 
1 deinersum, A. common 
Submersum, A. unarmed 
Myriophyllum, WATER-MILFOIL* 
1 Spicatum, A. spiked 
2 verticillatum, A. verticellate 
Z 
