CATALOGUE. 179 
Amida hiesuta, Nutt. Hirsute with both short appresscd and long 
spreading hairs, as well as more or less beset with stalked glands ; stem 
10-18' high, leafy; leaves about 2' long, 1-2" broad; heads somewhat 
corymbed at the top of the stem. — Said to be a stouter plant than A. gracilis, 
and with broader and more carinate involucral scales, but there is prol)ably 
but one species, and that should properly be reduced to Madia, where Hooker 
originally put it. Saskatchewan to Oregon and Colorado, (Parry in 1864, 
and 364 Yasey.) Parley's Park in the Wahsatch; 6,000 feet elevation; 
July. (626.) 
Maruta Cotula, DC. A European weed, now natiirahzed throughout 
the United States ; also in Canada and parts of South America. Koadsides 
in Central Nevada ; 5,000 feet elevation. (627.) 
Achillea MillefoliUxM, L. Throughout North America, Europe, and 
Northern Asia ; Mount Davidson, (Bloomer!) Truckee Valley, and on 
Havallah, East Humboldt, and Clover Mountains, Nevada, from the base to 
the peaks, and common in the Wahsatch and Uintas ; 4-10,000 feet alti- 
tude. (628.) 
Var. EOSEA, T. & G., was found along stream-banks in and near Parley's 
Park, Utah, but was not seen in Nevada. (629.) 
Mateicaria discoidea, DC. California to Alaska and Eastern Asia. 
Naturalized near St. Louis, and introduced into Europe. Foot-hills of the 
Trinity Mountains, Nevada, and in Jordan Valley, Utah ; May. Prof lirrnver 
states that this is a great remedy for fever and ague with the native Cali- 
fornians. (630.) 
Tanacetum canum. Suffruticose, minutely tomentose-canescent; stems 
8-10' high, branched below, leafy to the top ; leaves 6-12" long, l—ll" w'uXv, 
sessile, linear-obovate, simple or 3-clelil; at the apex ; heads congested in 
small terminal corymbs, sub-globose; involucre cup-shaped, of about 12 (jval 
or ovate scarious-margiued concave scales in two rows ; receptacle conical ; 
florets about 100, all apparently fertile (?) ; 4-8 of the outer ones pistillate 
only, and with the truncated corolla contracted and pubescent at tlie top, tlie 
'AMIDA, Nutt. Ho;u1s 2-6-flowered ; rays often none, Tjut sometimes one or two. |,i>i illal i- and 
fcitili', Avitli ii very sniaU cnneate 3-lobc(l corolla ; tlie other flowers tnhnlar, perfect and fn tile- : ( niolla 
slinlitly expanded upwards, pubescent, 5-toothed. Iiivoliu re oliovatc-ohloiii,', few -hracti d, the scales 
concave, carinate, as many as the flowers, and each enclosinj^ an aclicniiim. Kecciitacl*' small, iiaki il. 
Achenia obloni^-ohovate, incurved, compressed, sli<>-1dly angled on tlie sides, smootli and Mac];, without 
papims. — Slender hirsute annuals of Westcni Xoitli Amciica, with tlie habit and most of the charac- 
ters of Madia; leaves sessile, linear, entue; heads in small terminal or axillary clusters, 
