544 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
1. Macromeria thurberi (A. Gray) Mackenz. Bull. Torrey Club 32: 496. 1905. 
Onosmodium thurbert A. Gray, Syn. FI. 2': 205. 1878. 
Tyre Locatiry: New Mexico. Type collected by Thurber. 
Rance: New Mexico, Arizona, and southward. 
New Mexico: Gallinas Planting Station; Hermits Peak; Mogollon Mountains; 
Black Range; White and Sacramento mountains. Transition Zone 
7. ERITRICHIUM Schrad. MouNTAIN FORGET-ME-NOT. 
Dwarf, densely cespitose, white-hairy, perennial herb, with narrow leaves and 
small bright blue flowers; corolla rotate, the throat with 5 crests; stamens included; 
nutlets divergent, with sharply toothed margins. 
1. Eritrichium elongatum (Rydb.) W. F. Wight, Bull. Torrey Club 29: 408. 1902. 
Eritrichium aretioides elongatum Rydb. Mem. N. Y. Bot. Gard. 1: 327. 1900. 
TYPE LOCALITY: Spanish Basin, Montana. 
RanaeE: Oregon and Montana to northern New Mexico. 
New Mexico: Lake Peak; Truchas Peak; Wheeler Peak; Costilla Range. On 
rocky slopes of mountain tops, in the Arctic-Alpine Zone. 
8. EREMOCARYA Greene. 
Low canescent annual, 10 cm. high or less, with much branched stems; leaves in 
a basal rosette, usually wanting in herbarium specimens; bracts linear-oblong; flow- 
ers very small, white; sepals united only at the very base; corolla short-funnelform; 
ovary 4-lobed, the 4 nutlets attached for their whole length, erect, not margined. 
1. Eremocarya micrantha (Torr.) Greene, Pittonia 1: 58. 1887. 
Eritrichium micranthum Torr. U. 8. & Mex. Bound. Bot. 141. 1859. 
Type Locaity: ‘‘Sand hills, Frontera, Texas, and in other places along the Rio 
Grande.”’ 
RanGE: Utah and California to western Texas. 
New Mexico: Mesa west of Organ Mountains. Dry mesas and low hills, in the 
Lower Sonoran Zone. 
9. PLAGIOBOTHRYS Fisch. & Mey. 
Coarse annual, the roots, leaves, and stems producing a purplish coloring matter; 
stems hispid almost throughout, 30 to 40 cm. high; leaves narrowly oblong, entire, 
sessile, acute; flowers small, in elongated bracted racemes; calyx campanulate, the 
lobes about as long as the tube, narrow; corolla 2 to 3 mm. long, narrowly funnelform; 
stamens included; nutlets broadly ovoid or somewhat 3-angled, often incurved, rough 
or smooth, 2 or 3 of them sometimes abortive. 
1. Plagiobothrys arizonicus (A. Gray) Greene; A. Gray, Proc. Amer. Acad. 20: 
284. 1885. 
Eritrichium canescens arizonicum A. Gray, Proc. Amer. Acad. 17: 227. 1882. 
TYPE LOCALITY: Arizona. 
Rance: Southwestern New Mexico to California. 
New Mexico: Silver City; Bear Mountain; Gila. Dry plains and low hills. 
10. OREOCARYA Greene. 
Coarse, usually erect, branched or tufted, rough-hispid biennials or perennials, 
40 cm. high or less, with white or yellow flowers in crowded paniculate or thyrsoid 
clusters; calyx deeply 5-parted, open in fruit, persistent; corolla salverform, the 
tube usually but little surpassing the calyx, the throat crested; stamens included, 
sometimes of 2 kinds; ovary deeply 4-lobed, the nutlets 4, sharply angled or wing- 
margined, attached laterally to the pyramidal receptacle. 
