MANUAL OF THE GRASSES OF THE UNITED STATES 



983 



Syst. Veg. 1: 316. 1825, as synonym of 

 P. viscidum Ell. [P. scoparium Lam.] South 

 Carolina. A specimen in the Willdenow 

 Herbarium so named is P. albomaculatum 

 Scribn., from Mexico, collected by Hum- 

 boldt. 



Panicum flexuosum Raf., Precis. Decouv. 

 Somiol. 45. 1814; Jour. Bot. Desv. 4: 

 273. 1814. Not P. flexuosum Retz., 1783. 

 New Jersey. P. rafinesquianum Schult., 

 Mantissa 2: 257. 1824, is based on this. 



Panicum gracilescens Desv. ex Poir., in 

 Lam., Encycl. Sup. 4: 279. 1816. Carolina. 

 Desvaux gives a later description (Opusc. 

 95. 1831), which disagrees in some respects 

 with that of Poiret. 



Panicum hirtellum Bartr., Travels 430. 

 1791. Not P. hirtellum L., 1759. Banks of the 

 Mississippi River in Louisiana. The de- 

 scription suggests a species of Echinochloa. 

 Panicum iowense Ashe, N. C. Agr. Expt. 

 Sta. Bui. 175: 115. 1900. Iowa to Kansas. 

 The description suggests P. huachucae or 

 P. praecocius. (See Contrib. U. S. Natl. 

 Herb. 15:330. 1910.) 



Panicum muhlenbergianum Schult., Man- 

 tissa 2: 230. 1824. Based on Panicum 

 No. 27 of Muhlenberg's Descriptio Gram- 

 inum, the description of which is copied. 

 Muhlenberg gives "Habitat in Georgia." 



Panicum nitidum var. glabrum Torr., Fl. 

 North, and Mid. U. S. 146. 1824. No 

 locality cited. The description suggests P. 

 commutatum Schult. 



Panicum nitidum var. gracile Torr., Fl. 

 North, and Mid. U. S. 146. 1824. Near 

 New York. The description applies fairly 

 well to the vernal phase of P. dichotomum L. 

 Panicum nitidum var. majus Vasey, 

 U. S. Natl. Herb. Contrib. 3: 30. 1892. 

 No locality cited. Vasey says, "Here could 

 be placed several variable forms." 



Panicum pensylvanicum Spreng., Nachtr. 

 Bot. Gart. Halle 30. 1801. Pennsylvania. 



Panicum pilosum Muhl., Amer. Phil. Soc. 

 Trans. 4: 236. 1799. Pennsylvania. Name 

 only. 



Panicum pumilum Raf., Med. Repos. 

 N. Y. 5: 353. 1808. Name only. 



Panicum speciosum Walt., Fl. Carol. 73. 

 1788. South Carolina. The description faint- 

 ly suggests Sporobolus junceus (Michx.) 

 Kunth. 



Panicum uniflorum Raf., Amer. Monthly 

 Mag. 2: 120. 1817. Flatbush, N. Y. Some 

 species of subgenus Dichanthelium. 



Panicum vilfiforme Wood, Class-book ed. 

 3. 785. 1861. East Tennessee. Appears to be 

 a species of the group Agrostoidia. 



Paspalum compressum Raf., Fl. Ludov. 

 15. 1817. Louisiana prairies, Robin. 



Paspalum dasyphyllum var. floridanum 

 Wood, Amer. Bot. and Flor. pt. 2: 390. 

 1871. [Florida.] 



Paspalum geniculatum Raf., Fl. Ludov, 

 15. 1817. Louisiana, Robin. 

 Paspalum supinum Rich, ex Hornem., 



Hort. Hafn. 1: 77. 1813. Not P. supinum 

 Bosc, 1804. Baltimore, introduced in the 

 Royal Botanic Garden in Copenhagen in 

 1807. Probably P. pubescens Muhl. 



Paspalum virgatum var. latifolium Wood, 

 Amer. Bot. and Flor. pt. 2: 390. 1871. 

 Eastern States. Wood's P. virgatum appears 

 to be Paspalum boscianum Flugge; the 

 variety may be a luxuriant form of this 

 species. 



Pennisetum glaucum var. purpurascens 

 Eaton and Wright, N. Amer. Bot. ed. 8. 346. 

 1840. Virginia and northward. 



Poa alata Desv., Opusc. 102. 1831. 

 "Carolina?" Locality erroneous, the type is 

 Eragrostis maypurensis (H. B. K.) Steud., of 

 the American tropics. 



Poa caesia var. strictior A. Gray, Man. 

 ed. 5. 629. 1867. "Lake Superior, C. G. 

 Loring, especially Isle Royale, Prof. Whit- 

 ney." 



Poa capillaris L., misapplied by Link, 

 Enum. PI. 1: 88. 1821. "P. caroliniana 

 Spreng." cited as synonym. 



Poa caroliniana Bieler, PI. Nov. Herb. 

 Spreng. Cent. 10. 1807. North Carolina. 

 Said to be similar to "P. cilianensis." 

 [Eragrostis cilianensis (All.) Lutati.] 



Poa glauca var. strictior Jones, West. 

 Bot. Contrib. 14: 14. 1912. Based on P. 

 caesia var. strictior A. Gray. 



Poa multicaulis Raf. ex M'Murtrie, Sk. 

 Louisv. 223. 1819. Kentucky. Name only. 



Poa nemoralis [L., misapplied by] Pursh, 

 Fl. Amer. Sept. 1 : 79. 1814. North America. 



Poa nutans Muhl., Amer. Phil. Soc. 

 Trans. 3: 161. 1793. Pennsylvania. Name 

 only. 



Poa repens Muhl., Amer. Phil. Soc. 

 Trans. 3: 161. 1793. Pennsylvania. Name 

 only. 



Poa rubra Muhl., Amer. Phil. Soc. Trans. 

 4: 436. 1799. Pennsylvania. Name only. 



Poa subaristata (Scribn.) orendensis 

 Williams ex Pammel, Iowa Acad. Sci. Proc. 

 20: 144. 1915. Name only for Pammel, 

 Johnson, Lummis, Buchanan 940. Uintah 

 Mountains, Utah. 



Poa tenuiflora Raf., Med. Repos. N. Y. 5: 

 353. 1808. [United States.] Name only. 



Saccharifera spontanea Stokes, Bot. Mat. 

 Med. 1: 132. 1812. South Carolina. Prob- 

 ably a species of Erianthus. 



Sesleria americana Nees ex Steud. "Ins. 

 Staatenland. Am. septr." The type, in the 

 Lindley Herbarium in Cambridge, is 

 labeled "Staten Island. 'Chanticleer.' Web- 

 ster in 1829." The specimen is one of the 

 group related to Poa flabellata (Lam.) 

 Rasp, found in the region of the Straits of 

 Magellan, "Staten Island" obviously re- 

 ferring to the island of that name to the 

 east of Terra del Fuego. 



Stipa expansa Poir. in Lam., Encycl. 7: 

 453. 1806. Carolina, Bosc. This has been 

 taken for the basis of Muhlenbergia expansa 

 Trin., but Poiret's description does not 



