46 CALIFORNIA ACADEMY OF SCIENCES. 



ovate, 2 lines long, tapering abruptly into an awn of the 

 length of the akene. 



Monterey to Humboldt County. Common and extremely 

 variable as to the villosity of the pale^e and outer row of 

 akenes. 



M. Paeishii. — Rather smaller and more slender than the 

 last; akenes slender, strictly columnar, 2 lines long or more, 

 dark brown; palese lanceolate, 3 lines long, very gradually 

 tapering to an awn of a line or a line and a half. 



Near San Luis Eey, April, 1881, S. B. Parish; near Tu- 

 lare, 1882, Dr. C. C. Parry; also collected by the writer near 

 San Diego, 1885. 



A very distinct species, evidently belonging to the south- 

 ern part of the State. 



M. ATTENUATA, Greene. — A few inches to a foot and a 

 half high; involucre J — f inch long; akenes 4 lines long, at- 

 tenuate-fusiform, the narrowed upper half vacant; palese 

 oblong-lanceolate, a line and a half long, tipped wdth an 

 awn of twice that length. Bull. Torr. Club, ix, 111; Gray, 

 1. c, 419. 



Near Berkeley, and eastward to the valle3'S of the Sacra- 

 mento and San Joaquin. 



^"^Palece straight and flat, 5, except in the last species. 



M. ACUMINATA, Greene. — Size and aspect of the last, the 

 heads an inch long; akenes slenderly fusiform-turbinate, 3 

 lines long; palese 4 — 5 lines long, lanceolate, very gradually 

 tapering to an awn of 2 — 3 lines. Bull. Torr. Club, x, 88; 

 Gray, 1. c. 



Same range as the last species, and rather more common. 



M. BiGELOVii, Gray, 1. c. — A foot in height, more or less: 

 head about a half inch: akenes oblong-turbinate, hardly 

 2 lines long: pale^e oblong- to ovate-lanceolate, much smaller 



