74 Charles V. Piper. 



4. Merathrepta intermedia (Vasey) Piper, 1. a, p. 122. 



Danthonia intermedia Vasey, Bull. Torr. Club, X, 52; 1883. - - Canada 

 to Washington, Colorado, and California. 



5. Merathrepta intermedia cusickii (Williams) Piper, 1. c., p. 122. 

 Danthonia intermedia cusickii Williams, U. S. Dept. Agr. Div. Agrost. 



Circ, XXX, 7; 1901. — Washington to Montana and Oregon. 



6. Merathrepta caiifornica (Boland.) Piper, 1. c, p. 122. 



Danthonia caiifornica Boland., Proc. Cal. Acad., II, 182; 1858 --62. — 

 California to Washington and Montana. 



7. Merathrepta americana (Scribn.) Piper, 1. c, p. 123. 



Danthonia americana Scribn., U. S. Dept. Agr. Div. Agrost. Circ, 

 XXX, 5; 1901. — Danthonia grandiflora Philippi, Anal. Univ. Chil., 568; 

 1873; not Hochst. 1851. — British Columbia to California. Chile. 



8. Merathrepta unispicata (Thurb.) Piper, 1. c, p. 123. 



Danthonia unispicata Thurb. in S. W T ats., Bot. Cal., II, 294; 1880. — 

 Washington to California. 



9. Trisetum spicatum molle (Michx.) Piper, 1. c, p. 125. 



Avena moUis Michx., PI. Bor. Am., I, 72; 1803. — Trisetum subspicatum 

 molle Gray, Man., ed. II, 572; 1856. — Alaska to New England and Oregon 



10. Meiica harfordii tenuior Piper, 1. c, p. 127. 



Melica harfordii minor Vasey, Bull. Torr. Club, XV, 48; 1888; not M. 

 minor Hack., 1881. — Washington and Oregon. 



11. Melica bella intonsa Piper, 1. c, p. 128. 



Leaves and culms covered with a dense short reflexed pubescence. 

 Washington to Nevada. Specimens examined: Wenas, Griffiths & 

 Cotton 103, June. 1902 (type). 



12. Melica fugax madophylla Piper, 1. c, p. 128. 

 Leaves and stems glabrous or nearly so. 



Washington to California. Specimens examined: Falcon Valley, Suks- 

 dorf 61 (type), 78, 16, 5; without locality Wilkes Expedition; Cascade 

 Mountains, Vasey 9, 93. 



13. Poa bolanderi chandleri (Davy) Piper, 1. c, p. 132. 



Poa howellii chandleri Davy, Univ. Cal. Bot. Publ., I, 60; 1902. — Wash- 

 ington to California. 



14. Poa canbyi (Scribn.) Piper, 1. c, p. 132. 



Glyceria canbyi Scribn., Bull. Torr. Club, XI, 77; 1883. — Atropis 

 canbyi Beal, Grasses N. Am., II, 580; 1896. — Washington. 



15. Panicularia nervata elata (Nash) Piper, 1. c, p. 140. 

 Panicularia data Nash, Mem. N. Y. Bot. Gard., I, 54; 1900. — Glyceria 



latifolia Cotton, Bull. Torr. Club, XXIX, 573; 1902. — British Columbia, 

 Washington, Idaho. 



16. Bromus eximius (Shear) Piper, 1. c, p. 143. 



Bromus vulgaris eximius Shear, U. S. Dept. Agr. Div. Agrost. Bull.. 

 XXIII, 44; 1900. — Bromus ciliatus glaberrimus Suksdorf, Deutsch. Bot. 

 Monatss., XIX, 93; 1901. — Oregon and Washington. 



