BOTANICAL SURVEY— SUGAR GROVE REGION 321 



Polygonum erectum L. Erect Knotweecl. 



Polygonum tenue Mx. Slender Knotweed. Fide Bigelow. 



PiperaJes. 

 Saururaceae, Lizard 's-tail Family. 

 Saururus cernuus L. Lizard's Tail. 



Subclass, Calyciflorae. 

 Sosales. 

 Rosaceae, Rose Family. 



Subfamily, Rosatae. 



•Geum vernum (Raf.) T. & G. Spring Avens. No specimen. 



■Geum canadense Jacq. White Avens. No specimen. 



Geum strictum Ait. Yellow Avens. 



Dasyphora fruitcosa (L.) Rydb. Shrubby Cinquefoil. Fide Bigelow. Almost cer- 

 tainly extinct at present. 



Potentilla canadensis L. Common Five-finger. No specimen. 



Potentilla monspeliensis L. Rough Cinquefoil. 



Potentilla recta L. Upright Cinquefoil. 



Waldsteinia fragarioides (Mx.) Tratt. Barren Strawberry. Fide Bigelow. Cer- 

 tainly very rare. 



Fragaria virginiana Duchesne. Virginia Strawberry. 



Fragaria vesca americana Porter. American Wood Strawberry. No specimen. 



Fragaria vesca L. (White-fruited variety.) In the lower part of Kunkle's Hollow. 



Rubus odoratus L. Purple Flowering Raspberry. 



Rubus triflorus Rich. (R. americanus). Dwarf Raspberry. 



Rubus occidontalis L. Black Raspberry. Common; as is also the forma paUidus, 

 with amber fruit. No specimens. 



Rubus allegheniensis Port. High Bush Blackberry. Has also recently been called 

 Rubus villosus, R. canadensis, and R. nigrobaccus. 



Rubus procumbus Muhl. Dewberry. Has also been known recently as R. canadensis, 

 and R. villosus. 



Porteranthus stipulatus (Muhl) Britt. (Gillenia). American Ipecac. Fide Bigelow. 



Filipendula rubra (Hill) Rob. (Ulmaria). Queen-of-the-Prairie. Fide Bigelow. 



Opulaster opulifolius (L.) Ktze. (Physcocarpus). Nine Bark. Fide Bigelow. 



■Spiraea alba Du Roi. (S. salicifolia). Narrow-leaf Spiraea. Fide Bigelow. 



Spiraea tomentosa L. Hardback. 



Aruncus aruncus (L.) Karst. (A. Sylvester). Goat's Beard. 



Rosa setigera Mx. Prairie Rose. 



Rosa Carolina L. Swamp Rose. 



Rosa virginiana Mill. (R. humilis). Low Rose. 



Rosa rubiginosa L. Sweetbrier (Rose). Fide Bigelow. 



Agrimonia gryposepala Wallr. Common Agrimony. Fide Bigelow. 



Agrimonia parviflora Soland. Small-tiowered Agrimony. 



Sanguisorba canadensis L. American Burnet. Fide Bigelow. 



