104 
NAIADACEAE 
POTAMOGETON NATANS L. In Monocacy creek 3 miles from Bethlehem. Aug. 
20, 18 
POTAMOGETON AMPLIFOLIUS Tuckerm. In lakes and ponds. (Porter.) 
POTAMOGETON PULCHER Tucker In slow streams or ponds. (Porter.) 
POTAMOGETON NUTTALLII Cham h. In am at Easton. (Porter.) 
POTAMOGETON кси Tuckerm. In st at Easton. ( 
POTAMOGETON аса L. In Delaware river. orter. 
RFOLIATUS RICHARDSONII A. Bennett. At Easton. (Porter.) 
DETUR oem L. In Monocacy creek about 2 miles from Bethlehem, 
une 23, 1902; also in Lehigh river and Bushkill cree 
POTAMOGETON OBTUSIFOLIUS Mert. oc In stream at Easton. (Porter.) 
POTAMOGETON DIVERSIFOLIUS Raf. In still water. (Porter.) 
POTAMOGETON DIVERSIFOLIUS MULTIDENTICULATUS M: At Easton. 
orter. 
POTAMOGETON PECTINATUS L. In stream at n Horse Tavern. (Porter.) 
POTAMOGETON — Oakes. In 
ZANNICHELLIA PALU SL. In ponds кыз ке (Porter.) 
NAIAS FLEXILIS (Willd. "i Bat & Schmidt. In ponds and pak ton. (Porter.) 
ALISMACEAE 
ALISMA foe gage P E L. On muddy banks of the Lehigh river near 
Bethlehem. July 15 
SAGITTARIA ENG ep RRS EG Smith. In swamps along Monocacy creek, 
12, 1899, and on mud flats along the Lehigh river at Island Park, 
Aug. 25, 1902 
SAGITTARIA LATIFOLIA ок In shallow water along Monocacy creek and 
Lehigh river. Aug. 
SAGITTARIA LATIFOLIA ко (Muhl.) J. С. Smith. At Seidersville. 
orter. 
SAGITTARIA RIGIDA Pursh. In wet sandy soil along Lehigh river at Island 
Park. Aug. 25,1 
SAGITTARIA GRAMINEA Michx. In shallow water or mud. (Porter.) 
VALLISNERIACEAE 
PHILOTRIA CANADENSIS (Michx.) Britton. In Lehigh river and Monocacy 
c 
VALLISNERIA SPIRALIS L. In the Lehigh canal near Glendon. 
GRAMINEAE 
ag crag SCOPARIUS Michx. Along Lehigh Valley R. R. near Bethlehem. 
ug 
ANDROPOGON FURCATUS Muhl. n "eda soil along the Monocacy creek one 
mile from Bethlehem. Aug. тї, 
ROFÓGUM VIRGINICUS L. In aui soil in thickets, Bethlehem. Aug. 5, 
CHRYSOPOGON AVENACEUS (Michx.) sra ndi dry soil along the: towpath 
between Bethlehem and e pt 
PASPALUM MUHLENBERGII n sand d stony ground. (Porter.) 
PASPALUM LAEVE Michx. In fi fields, En 
SYNTHERISMA SANGUINALE (L. lac. my cultivated and waste places. 
Common. July 15, 1899. 
SYN’ id racy reed HUMIFUSUM (Pers.) Rydb. In cultivated field near Bethlehem. 
pt. 7, I 
ECHINOCLOA CRUS-GALLI (L.) Beauv. Common in cultivated and waste 
PANICUM CAPILLARE L. In Sud soil, ue fields and roadsides. Mire 16, 1899. 
PANICUM PHILADELPHICUM Bernh. In dry “м t Bethlehem. Aug. 7, 1899. 
PANICUM MILIACEUM L. In waste bise. er.) 
Pe Ce ЕИ ЫК: а ee А ЧЕ, ЧР ТЕ 
