544 CONTRIBUTIONS FEOM THE NATIONAL HERBARIUM. 



1. Macromeria thurberi (A. Gray) Mackenz. B,ull. Torrey Club 32: 496. 1905. 



Onosmodium thurberi A. Gray, Syn. Fl. 2 1 : 205. 1878. 



Type locality: New Mexico. Type collected by Thurber. 



Range: New Mexico, Arizona, and southward. 



New Mexico: Gallinas Planting Station; Hermits Peak; Mogollon Mountains; 

 Black Range; Wbite 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; Btamens 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. 



Range: 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. S. & Mex. Bound. Bot. 141. 1859. 



Type locality: "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. 



Range: 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. 



