126. 
1. Stem prostrate-trailing. 
3. Rhizome short and blunt, max. 2 cm. long; 
stipules of basal leaves with oblong-lanceolate 
flat auricles; leaves small at anthesis.........--- 
{rd 
canadensis 
3. Rhizome irregularly enlarged, max. 8 cm. long; 
stipules of basal leaves with linear-lanceolate 
inrolling auricles; leaves expanded at anthesis.... P. simplex 
(NOTE: These last two species look very similar in the field and on 
herbarium sheets, and distinguishing characters cannot be fully trusted.) 
Potentilla recta L. Five-finger 
Java Farm & Ivy Neck, One station each: both on open, unshaded 
roadsides. Higman 720. 
P. norvegica L. Five-finger 
Java Farm. One station at border of parking lot, main building area. 
Hectare 2580. 
Ivy Neck. One station: near old barn on south side of artificial 
pond at source of Cheston Creek drainage. Hectare 4723. Associate 
species: Ipomoea hederacea, Datura stramonium, Cyperus strigosus, Abutilon 
theophrasti, Eleusine indica, Polygonum persicaria. Higman 932, 998. 
P. canadensis L. Five-finger 
Java Farm. One station: near old entrance gate. Hectare 2463. 
Canopy of mature Fagus grandifolia, Quercus alba, Quercus velutina, 
Liriodendron tulipifera, Carya tomentosa, etc. Higman 664. 
P. simplex Michx. Five-finger 
Java Farm. One station: along old Muddy Creek Road. Same 
habitat as P. canadensis above. Hectare 2472. Higman 665. 
Geum 
Geum canadense Jacq. 
Java Farm. Moderately abundant along new entrance road, 
especially near culvert of Fox Creek drainage. Associate species: 
Panicum clandestinum, Duchesnea indica, Agrimonia microcarpa , Lonicera 
japonica. Site is partly shaded by Juglans nigra and Liquidambar 
styraciflua. Continued next page. 
