Potamogeton heterophyllus Schreb.

STIM-AN ATOM? BXAMINID BY ? . 0 . Ofl D ? H ,
STELE:	CS^ @
ENDODERMIS: O-cills 0 0 , P.omll« JFJ' 9 0 O
INTERLACUNAR BUNDLES: 'Absiht: Prisbnt: ootsr cirolb, throuqhodT
SOBEPIDERMAL BUNDLES: Ab8«mt;*P^«ht. -m
PSEUDO-HYPODERMIS: AbsinTj Frbsbkt.
&i«rnln#d for
NORTH ,„:E3lCAN FLOffcW
NEW YORK BOTANJCAL GARDEN
m
Revision Broa&^leayed N. Am. Species of Fotamogeton
P. GRAMIipmL. X ILLINOENSIS Morong
-y
(X p, deminuias Hagstr*» Orit. Res- Pot. 210,
I MM" .	•• 1916)
E.C.Ogden
NORTH AMERICAN NAIADACE/E.
Ex. Herb. Thomas Moronq.
^<aA’
/? /Sfro ,
( hpe^udt ....... t 4^*4^
03710260