WOOTON AND STANDLEY—FLORA OF NEW MEXICO. 309 
reddish stems and thin dark green leaves, and in these respects it resembles several 
of the nearly related species. The character of the spines and the pubescence are 
distinctive, however. 
9. Rosa helleri Greene, Leaflets 2: 259. 1912. 
TypPE LocaLiry: Lake Waha, Nez Perces County, Idaho. 
Rance: Idaho to New Mexico. 
New Mexico: Coolidge; Las Vegas; Magdalena Mountains. Transition Zone, 
The specimens are referred here doubtfully by Dr. Rydberg. 
10. Rosa neomexicana Cockerell, Ent. News 1901: 41. 1901. 
TYPE LocaLity: Cloudcroft, New Mexico. 
Rance: Southern New Mexico. 
New Mexico: Mesilla; near Mesilla Park; Sapello Creek; Cloudcroft. 
11. Rosa maximiliani Nees in Wied-Neuw. Reis. Nord Amer. 2: 434, 1841. 
Type Locauity: On the plains along the Missouri River above Fort Pierze, South 
Dakota. 
Rance: Washington and Saskatchewan to Utah and New Mexico. 
New Mexico: Chama; Farmington; Winsors Ranch; Las Vegas; Pecos; Joseph; 
Raton Mountains; White Mountains; Indian Canyon; Animas Mountains; Organ 
Mountains. Upper Sonoran and Transition zones. 
12. Rosa pecosensis Cockerell, Proc. Acad, Phila, 1904: 110. 1904, 
TypE LocaLiry: Near Pecos, New Mexico. Type collected by Cockerell. 
RanGE: Known only from the vicinity of the type locality. 
Just what Rosa praetincta Cockerell! is, we are unable to determine. It also was 
described from the vicinity of Pecos. 
2. AGRIMONIA L. Acrimony. 
Herbaceous perennial, 60 to 80 cm. high or less, with interruptedly pinnate 5 or 7- 
foliolate leaves, and small yellow flowers in elongated slender racemes; hypanthium 
turbinate, bearing a ring of hooked prickles; petals small; stamens 5 to 12; carpels 
1 to 3, becoming achenes and inclosed in the persistent hooked hypanthium. 
1. Agrimonia striata Michx. Fl. Bor. Amer. 1: 287. 1803. 
Agrimonia brittoniana Bicknell, Bull. Torrey Club 238: 517. 1896. 
Agrimonia brittoniana occidentalis Rydb. Colo. Agr. Exp. Sta. Bull. 100: 189. 1906. 
Typr LocALITY: ‘“‘In Canada.” — , 
RANGE: Quebec and New York to West Virginia, and in the Rocky Mountains. 
New Mexico: Santa Fe and Las Vegas mountains; Johnsons Mesa; Sandia Moun- 
tains; Chama; Mogollon Mountains; White Mountains. Woods, in the Transition Zone. 
38. OPULASTER Medic. NINEBARK. 
A low shrub, 1 meter high or less, with exfoliating bark and white flowers in terminal 
corymbs; leaves simple, rounded-ovate in outline, 3 to 5-lobed, glabrous or nearly 
so, doubly incised-serrate; flowers small; hypanthium about 3 mm. broad, stellate- 
pubescent; petals orbicular, about 3 mm. long; follicles 2 or rarely 3, united to above 
the middle, densely stellate-pubescent, with spreading beaks. 
1. Opulaster monogynus (Torr.) Kuntze, Rev. Gen. Pl. 2: 949. 1891. 
Spiraea monogyna Torr. Ann. Lyc. N. Y. 2: 194. 1827. 
Physocarpus monogynus Coulter, Contr. U. 8. Nat. Herb. 2: 104. 1891. 
Type Locauty: “‘On the Rocky Mountains,’’ Colorado. 
Range: Wyoming and South Dakota to New Mexico and Texas. 
1 Proc. Acad. Phila. 1904: 110. 1904. 
