W ATSON—Plants of Bernalillo County 
usually with axillary bundles of shorter ones; heads 
1-4 to 1-2 in. high; pappus simple of 18-20 scales; 
heads sessile at the ends of woody branches; leaves op- 
posite, entire. Very common on the hills of the mesa. 
From summer to late autumn. Nov. 
37. PECTIS. J. LEMON PLANT. 
Low, spreading, glabrous, heavy-scented herbs with 
narrow opposite leaves, and usually with many slender 
rigid bristles at the base; radiate heads of yellow flow- 
ers; small naked receptacle; and (in ours) pappus of 
4 or 5 mostly united scales and sometimes 1 or 2 slen- 
der short awns. 
p. ANGusTIFoLIA. Torr. A pretty low plant with 
abundant flowers, with a strong scent very much like 
that of lemons. Common on the base of the Sandia 
Mts., especially at the mouth of Tijeras Canon. 
38. ACHILLEA. Vaill. Yarrow. 
Perennial herbs with small corymbose many-flow- 
ered radiate heads few and fertile rays; oblong, flat- 
tened, margined achenes and no pappus. 
A. MILLEFoLIUM. LZ. (Common Y.) Stem sim- 
ple; leaves twice-pinnately parted, the divisions linear, 
3 to 5 cleft; crowded corymb, compound, flat topped; 
rays 4-5 short and white, sometimes a pale rose-color. 
A European weed introduced thruout North America 
but rare here. It grew around the trees on East Silver 
Ave., Terrace Addition in 1908. A heavy scented 
plant. Also called Milfoil. 
A. LANoSA. Very similar but smaller and with a 
smaller corymb. Quite common on the tops of the 
Sandia Mts. among the shrub oaks. “Western Yar- 
row.” 
38. ARTEMESIA. JL. SAGE-BRUSH. WORMWOOD. 
Bitter and aromatic herb or shrubs with small, nod- 
ding, heads in panicled spikes or racemes; small, flat 
receptacle, obovoid achenes with a small summit, ours 
are perennials, 1 to 5 ft. high. 
A. Lupovic1ana, Nutt. Whitened woolly thruout; 
leaves lanceolate, the upper mostly entire, the lower 
usually cut-lobed, toothed or pinnatifid, the upper 
surface sometimes glabrous and green; heads mostly 
sessile in narrow panicles. Quite common in the moun- 
tains and on the mesa. 
A. Mexicana. Willed. Less woolly tomentose, and 
glabrate; leaves narrow lanceolate to linear some 3 
(20) 
