APPENDIX. 



Muhlenbergia Mexicana (L.) Trin. Meadow Muhlenbergia. In swamps and fields. 

 Muhlenbergia racemosa (Michx.) B. S. P. Marsh Muhlenbergia. Durham, J. A. & 



H. F. Ruth. 

 Muhlenbergia sylvatica Torr. Wood Muhlenbergia. In moist woods and along 



streams. 

 Muhlenbergia tenuiflora (Willd.) B. S. P. Slender Muhlenbergia. In rocky woods. 

 Muhlenbergia diffusa Willd. Nimble Will. On dry hills and in woods. 

 Brachyelytrum erectum (Schreb.) Beauv. Brachyelytrum. In moist rocky woods. 

 Heleochloa schoenoides (L.) Host. Rush Cat-tail Grass. Bensalem, I. C. Martin- 

 dale. 

 Phleum pratense L. Timothy. Herd-grass. In fields and meadows. 

 Sporobolus longifolius (Torr.) Wood. Long-leaved Rush grass. Riverbank Nocka- 



mixon, Dr. T. C. Porter. 

 Sporobolus vaginaeflorus (Torr.) Wood. Sheathed Rush-grass. In dry soil. 

 Polypogon Monspeliensis (L.) Desf. Beard-grass. In the county according to Dr 



Porter. 

 Cinna arundinacea L. Wood Reed-grass. In moist woods and swamps frequent. 

 Agrostis alba L. Red-top. Herd-grass. In fields and meadows. 

 Agrostis perennans (Walt.) Tuckerm. Thin-grass. In shaded, damp places. 

 Agrostis hyemalis (Walt.) B. S. P. Rough Hair-grass. In dry or moist soil. 

 Calamagrostis Canadensis (Michx.) Beauv. Blue Joint-grass. Durham, J. A. & 



H. F. Ruth. 

 Calamagrostis cinnoides (Muhl.) Scribn. Nuttall's Reed-grass. Durham, J. A. & 



H. F. Ruth. 

 Holcus lanatus L. Velvet-grass. Wet meadows common. 

 Deschampsia caespitosa (L.) Beauv. Tufted Hair-grass. Durham, J. A. & H. F. 



Ruth. 

 Trisetum Pennsylvanicum (L.) Beauv. Marsh False-oat. Bogs in Milford, (M. C); 



Bensalem, I. C. Martindale. 

 Arrhenatherum elatius (L.) Beauv. Oat-grass. Langhorne, S. S. VanPelt. 

 Danthonia spicata (L.) Beauv. Wild Oat-grass. Dry soil. 



Capriola Dactylon (L.) Kuntze. Bermuda-grass. Bristol, reported by Dr. Porter. 

 Spartina cynosuroides (L.) Willd. Tall Marsh-grass. Durham, J. A. & H. F. Ruth. 

 Eleusine Indica (L.) Gaertn. Wire-grass. Yard-grass. In yards and waste places 



common. 

 Tricuspis seslerioides (Michx.) Torr. Tall Red-top. In fields. 



Eragrostis capillaris (L.) Nees. Hair-like Eragrostis. Durham, J. A. & H. F. Ruth. 

 Eragrostis Frankii Steud. Frank's Eragrostis. Durham, J. A. & H. F. Ruth. 

 Eragrostis pilosa (L.) Beauv. Tufted Eragrostis. In waste places. 

 Eragrostis Purshii Schrad. Pursh's Eragrostis. Durham, J. A. & H. F. Ruth; 



Nockamixon. 

 Eragrostis Eragrostis (L.) Karst. Low Eragrostis. Bensalem, I. C. Martindale. 

 Eragrostis major Host. Strong-scented Eragrostis. Along the Delaware. 

 Eragrostis pectinacea (Michx.) Steud. Purple Eragrostis. In lower end, I. C. 



Martindale. 

 Eragrostis pectinacea spectabilis. A. Gray. In dry, sandy soil. 

 Eragrostis hypnoides (Lam.) B. S. P. Creeping Eragrostis. Along the Delaware, 



(M. C). 

 Eatonia obtusata (Michx.) A, Gray. Blunt-scaled Eatonia. Andalusia, I. C. Mar- 

 tindale. 

 Eatonia Pennsylvanica (DC.) A. Gray. Pennsylvania Eatonia. In hilly woods. 



