1840 REPORT OF THE CHIEF OF ENGINEERS. 



Smilacina stellata, Dest. (18, 79, 81). 

 Allium, reticulatum, Fraser (202, &c). 



Along Lower Rio Chania, New Mexico, July, 7,000 feet. 

 Calochortus Gunnisoni, Watson (504 or 509). 



Along Upper Piedra and Los Piiios waters, July, 9,000 to 10,500 feet. 

 Yucca angustifolia, Pursh. 



Very common at suitable elevations and on all lower streams. 



JUNCACE.E. 

 Juncus Mertensianus, Burg. 

 Luzula spadicea var. parviflora, Ledebour (319 or 320). 



Upper Yallecito streams, Needle Mountains, September, 11,000 to 12,500 feet. 



CYPERACE^E. 



Carex Jamesii, Torr. 

 Carex atrata, L. 

 Carex lanuginosa, Michx. 

 Carex utriculata, Bortt. 

 Carex viridula, Micbx. 



GRAMINE^E. 

 Pbleum alpinum, L. 

 Vilfa airoides, Trin. 

 Calamagrostis Canadensis, Beany. 

 Erioconia cuspidata, Nutt. 

 Stipa viridula, Trin. 

 Aristida purpurea, Nutt. 

 Spartina gracilis, Trin. 

 Bouteloua oligostacbya, Torr. (1265). 



Specimens from Upper Navaio, August, 8,000 to 9,000 feet. 

 Bouteloua nirsuta, Lag. 

 Bucbloe dactyloides, Engelm. 

 Munroa squarrosa, Torr. 

 Koeleria cristata, Pers. 



rizopyrum spicatum, Hook 

 Poa alpina, L. 



Upper Blanco, Piedra, Los Pinos, &c, July and August, 10,000 to 11,000 feet. 

 Poa Andma, Nutt. 

 Festuca ovina, L., var. 

 Bromus Kalmii, Gray. 

 Bromus ciliatus, L. 

 Triticiun canicum, L. 

 Triticum repens, L. (1262). 



Specimens from Rio Navajo, August, altitude 7,400 feet. 

 Triticum strigosun, Steud. 

 Hordeum jubatum, L. 

 Elymus Canadensis, L. 

 Elymus Sitanion, Schult. 

 Trisetum subspicatum, Beauv. 

 Aira crespitosa, L. 

 Setaria Italica, Kunth. 

 Andropogon scoparius, Micbx. 



EQUISETACEiE. 

 Equisetum arvense, L. 



Frequent; specimens from Rio Cbama, July, 8,500 feet, &c. 



FILICES. 

 Pteris aquilina, L. 

 Cystopteris fragilis, Bernh. 

 Abundant along Rio Piedra and tributaries, Rio los Pinos and Yallecito, July, 

 August, and September; 8,200 to 12,100 feet. 

 Woodsia Oregona, Eaton? 





