28 Contributions from the Gray Herbarium 
Fl, Fran. 234 (1891). M. albicaulis Dougl., var. Jonesii Urb. & 
Gilg, Nova Acta Acad. C.L.C.G. Nat _ Cur. Ixxvi. 29 Oe 
at 8 (1903). A. nitens (Gresne) Rydb. 1. ec. — Western Nevada 
and Arizona to California and Lower California. — NEvaDA: 
Esmeralda Co., May, 1881, Shockley; Unionville, Watson, 429. 
IZONA: Tucson, 1881, Lemmon. CALIFORNIA: Topatopa Mts., 
Abrams & M cGregor, 68; San Antonio River, Brewer, 506, 575; | 
April, 1881, 8. B. & W. F. Parish, 940; west of Laws, Heller, 8197; 
Acton, Elmer, 3657; Mojave Desert, S.B. & W.F. Parish, 1377; 
Pasadena, May, 1885, O. D. Allen; San Rafael Mts., June, 1 
H,«. Ford: “ California,” Coulter, ’ Douglas. LOWER CALIFORNIA: 
Valley of Palms, Orcutt, 101: All Saints Bay, April, 1882, Parry. 
3c. var. PECTINATA (Kell.) Urb. & Gilg, Nova Acta Acad. 
C.L.C.G. Nat. Cur. Ixxvi. 29 (1900). M. hacia Kell. Proc. 
Calif. Acad. iii. 40 (1863). — Southern California. — Kern River, 
Heller, 7634; Mibbaca Mts., May 2, 1896, Eastwood; Cajon Summit, 
Parish, 1 1184 
4. M. CONGESTA T. & G. FIN. A. i. 534 (1840). sont 
congesta (T. & G.) Rydb. Bull. Torr. Club, mar. 277 (1903). — 
Nevada to southeastern California. — NEv Verdi, Heller, 
10874; Mt. Rose, Heller, 10335; Paakioni: tae 10518; Car- 
son City, B aker , 968: Toyabe Mts Watson, 431. CALIFORNIA: 
Argus Peak, Purpus, 5475; Pah Ute Peak, Purpus, 5286; Bishop, 
Heller, 8361. 
¥ 4a. var. Davidsoniana (Abrams), egine nov. Acrolas a ae 
soniana ars Bull. Torr. Club, xxxii. 538 (1905). M. Davidson 
(19 
— Mt. Wilson, Davidson, 1010; Lytle Creek Cafon, Hall, 1228; 
ite i. od J ohnston, 2059: San Gabriel Mts., Abrams & 
egor, 6 
IV. CERTAIN NORTH AMERICAN UMBELLIFERAE 
Tauscuia Schlecht. Linnaea, ix. 607 (1835). Dewey T. 7 
Fl. i. 641 (1840). Museniopsis (Gray) Coult. & Rose, ee alk 
Umb. 26, 122 (1888). Donnellsmithia Coult. & Rose, Bo Nat. 
xv. 15 (1890). Drudeophytum Coult. & Rose, Contrib. U- s 
Herb. vii. 80 (1900). 
It is with no little hesitation that I have decided to express F 
opinion upon generic limitations in this highly technical ge 
plants. Most of us, when we have specimens of the Umbellif 
to determine, feel so grateful toward the authors of the discrimi 
: ie igs the 
nating revisions of the group that we are inclined to take UP ©™ 


