354 F. Fedde und K. Schuster: Index novorum Siphonogamorum [866 
Muehlenbeckia ephedrioides Hook. f. var. muricatula (Col.) Cheesem. in Manual 
New Zeal. Flora, II. Ed. (1925) p. 403 (= M. muricatula Col.). — North 
Island, South Island. 
Neomillspaughia Blake in Bull. Torr. Bot. Club XLVIII (1921) p. 77. 
Type species, Campderia paniculata Donn. Sm. 
N. paniculata (Donn. Sm.) Blake 1. ce. p. 85. Pl.I (= Campderia paniculata 
Donn. Sm.). — Honduras. 
N. emarginata (H. Gross) Blake l. c. p. 85 (= Podopterus emarginatus H. Gross). 
— Yucatan (Gaumer n. 750, Seler n. 5600). 
Persicaria linicola (Sutulow) Nenjukow in Sitzungsber. Naturf.-Ges. Univ. 
Tartu XXXIV. 2 (1927) p. 156. — Smolensk—Nishnij-Nowgorod. 
Podopterus guatemalensis Blake in Bull. Torr. Bot. Club XLVIII (1921) p. 87. — 
(Guatemala (Kellerman n. 4994). 
Polygonella serotina (Raf.) House in Amer. Midl. Nat. VII (1921) p. 128 
(= Polygonum serotinum Raf. = Gonopyrum americanum F. et M. = Poly- 
gonella ericoides Engelm. et Gray = P. Meissneriana Shuttl. = P. ameri- 
canım Small). 
Polygonum Alfredi Pilger in Fedde, Rep. XVII (1921) p. 126. — Rio Grande 
do Sul (Bornmüller n. 408). 
P. Duclouxii Levl. var. hypoleuca Levl. in Bull. Geogr. Bot., Le Mans XXV 
(1915) p. 40. — Yünnan (E.E. Maire). 
P.idaeum Hay. in Fedde, Rep. Beih. XXX, 1 (1924) p. 110 (= P. aviculare 
var. alpinıum Boiss. — P. aviculare var. nanım Hal., non Boiss.).. — 
Graecia, Creta. 
P. (subgen. Persicaria) amphibium L.f£.1. natans (Moench) Stanford in Rhodora 
XXVII (1923) p. 157 (= P. amphibium L. var. natans Moench). 
P. (subgen. Persicaria) natans A. Eaton f. 2a. genuinum Stanford 1. ce. p. 158 
(= P.natans E. Eaton = P. fluitans Eaton = P. coccineum Bigelow, non 
Muhl. = P. amphibium var. natans Michx., non Moench = P. amphibium 
var. aquaticum Torr. =P. amphibium Small, non L. = Persicaria fluitans 
[Eaton] Greene = P. plattensis Greene —=P. oregana Greene — P. lacte- 
virens Greene). — Newfoundland; Quebec. 
f. 2b. Hartwrightii (Gray) Stanford 1. c. p. 160 (= Polygonum 
Hartwrightii Gray = P. amphibium var. Hartwrightii Bissell 
— Polygonum Hartwrightii f. Hartwrightii [Gray] Blake = 
Polygonum Hartwrightii f. terrestre Blake, non Moss —= Poly- 
gonum Hartwrightii var. marginatum Farwell = Polygonum 
Hartwrightii var. marginatum {. Hartwrightii Farwell = Poly- 
gonum Hartwrightii var. marginatum f. hirtuosum Farw. 
— Persicaria Hartwrightii |Gray] Greene = P. abscissa Greene 
— P..asclepiadea Greene — P. nebrascensis Greene = P. am- 
mophila Greene = P. muriculata Greene — P. homalostachya 
Greene — P. villosula Greene — P. chelanica Greene = P. 
carictorum Nwd.). — Newfoundland; Quebec; Maine; Ver- 
mont; Massachusetts; Connecticut. 
2c. var. insigne (Greene) Stanford 1. c. p. 162 (= Persicaria insignis 
Greene). — California. 
P. coccineum Muhl. £. terrestre (Willd.) Stanford 1.c. p. 162 (= P. coccineum 
Muhl. = P. coccineum var. terrestre Willd. = P. amphibium Michx., non L. 
—= P. coccineum var. emersum Michx. = P. amphibium var. terrestre Torr. 
