816 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Bromus orcuttianus var. hallii Hitchc, in Jepson, Fl. Calif. 1: 175. 1912. 



San Jacinto Mountains, Hall 2301. 

 (12) Bromus pacificus Shear, U.S.Dept.Agr., Div. Agrost. Bull. 23: 38. 1900. 



Seaside, Oreg., Scribner and Shear 1703. 

 Bromus magnificus Elmer, Bot. Gaz. 36: 53. 1903. Port Angeles, Wash., 



Elmer 1957. 

 (7) Bromus pumpellianus Scribn., Bull. Torrey Bot. Club 15: 9. 1888. Belt 



Mountains, Mont., Scribner 418. 

 Bromus purgans var. purpurascens Hook., Fl. Bor. Amer. 2: 252. 1840. 



Bear Lake to Arctic seacoast, Richardson. 

 Bromus ciliatus var. coloradensis Vasev, Bull. Torrey Bot. Club 15: 10. 1888, 



name only; Beal, Grasses N.Amer. 2: 619. 1896. [Colo. Expl. 100th 



Merid. Wolf 1158.] 

 Bromus pumpellianus melicoides Shear, U.S.Dept.Agr., Div. Agrost. Bull. 23: 



50. 1900. Beaver Creek Camp, Colo., Pammel in 1896. 

 Forasaccus pumpellianus Lunell, Amer. Midi. Nat. 4: 225. 1915. Based on 



Bromus pumpellianus Scribn. 

 Bromus pumpellianus var. tweedyi Scribn.; Beal, Grasses N.Amer. 2: 622. 



1896. Yellowstone Park, Tweedy 587. 

 (16) Bromus purgans L., Sp. PL 1: 76. 1753. Canada, Kalm. 



Bromus pubescens Muhl.; Willd., Enum. PL 120. 1809. Pennsylvania, Muhlen- 

 berg. 

 Bromus imperialis Steud., Nom. Bot. ed. 2. 1: 229. 1840, as synonym of 



B. purgans L. 

 Bromus steudelii Frank; Steud., Nom. Bot. ed. 2. 1: 229. 1840, as synonym 



of B. purgans L. 

 Bromus ciliatus var. purgans A. Gray, Man. 600. 1848. Based on B. purgans 



L. 

 Bromus hookeri var. pubescens Fourn., Mex. PL 2: 127. 1886. Based on 



B. pubescens Muhl. 

 Forasaccus purgans Lunell, Amer. Midi. Nat. 4: 225. 1915. Based on Bromus 



purgans L. 

 Bromus purgans forma laevivaginatus Wiegand, Rhodora 24: 92. 1922. 



Ithaca, N.Y., Metcalf 5821. 

 Bromus ciliatus var. purgans subvar. laevivaginatus Farwell, Amer. Midi. 



Nat. 10: 204. 1927. Presumably based on B. purgans forma laevivaginatus 



Wiegand. 

 (27) Bromus racemosus L., Sp. PL ed. 2. 1: 114. 1762. Europe. 



Bromus arvensis var. racemosus Neilreich, Fl. Nieder-Oesterr. 81. 1859. 



Based on B. racemosus L. 

 Bromus squarrosus var. racemosus Regel, Act. Hort. Petrop. 7: 602. 1881. 



Based on B. racemosus L. 

 Forasaccus racemosus Bubani, Fl. Pyr. 4: 387. 1901. Based on Bromus 



racemosus L. 

 The specimens referred by Shear (U.S.Dept.Agr., Div. Agrost. Bull. 23: 20. 

 1900) to B. hordeaceus glabrescens (Coss.) Shear belong to B. racemosus. 

 (31) Bromus rigidus Roth, Mag. Bot. Roem. and Ust. 10: 21. 1790. Europe. 

 Bromus villosus Forsk., Fl. Aegypt. Arab. 23. 1775. Not B. villosus Scop., 



1772. Egypt. 

 Bromus maximus Desf., Fl. Atlant. 1: 95. pi. 26. 1798. Not B. maximus 



Gilib., 1790. North Africa. 

 Bromus madritensis var. maximus St. Amans, FL Agen. 45. 1821. Based on 



B. maximus Desf. 

 Bromus rubens var. rigidus Mutel, FL Franc. 4: 133. 1837. Based on B. 



rigidus Roth. 

 Bromus madritensis var. rigidus Bab.; Syme in Sowerby, English Bot. ed. 3. 



11: 161. 1873. Based on B. rigidus Roth. 

 Bromus villosus var. maximus Aschers. and Graebn., Syn. Mitteleur. FL 2: 595. 



1901. Based on B. maximus Desf. 

 Bromus villosus var. rigidus Aschers. and Graebn., Syn. Mitteleur. Fl. 2: 



596. 1901. Based on B. rigidus Roth. 

 Forasaccus maximus Bubani, Fl. Pyr. 4: 382. 1901. Based on Bromus maxi- 

 mus Desf. 

 Bromus rigidus var. gussonii (Pari.) Coss. and Dur., Expl. Sci. Alger. 2: 



159. 1867. Based on B. gussonii Pari. 

 Bromus gussonii Pari., Rar. PL Sic. 2: 8. 1840. Europe. 

 Bromus maximus var. gussonii Pari., Fl. Ital. 1: 407. 1848. Basea on B. 



gussonii Pari. 



