Potamogeton heterophyllus Schreb.

STBM-ANATOHY BXAMINBD BY B.
NEW YORK BOTANICAL GARDEN
HERBARIUM OF MR. GEORGE V. NASH
PURCHASED 1900
. llQGDtHy^y
Revision Broad-leaved N. Am. Species of Potamogeton
P. GRAMINEUS L. X ILLINOENSIS Morong
from type locality of P. gramineus var.
iciOgden 1942 >	apathulaeformis Robbins
NORTH AMERICAN NAIADACE/E.
Ex. Herb. Thomas Morqnq,
STELE:?	W	^
E NDODER MIS:? 0-c*r,ls 0 0 , H-ceils • ® 0 O
IHTBRLACUHAR BUNDLES: Absbst; Phisb-hftv opt88 0i Rat-ifc throoqhoot
SUBEPIDERMAL BUNDLES: Aibmi: Vrbbibt. '
PSEODO-HYPOOERMIS: Absbnt; Prbsb n t .
v
03710202