326 CALIFORNIA ACADEMY OF SCIENCES. 



Trees were occasionally seen near the head of the 

 canons that formed branches of the San Juan. They 

 were low and scraggy and generally solitary. 



149. Epipactis gigantea Dougl., ex Hook., Fl. Bor. 

 Am., ii, 202. 



Range: " Subalpine regions of the Blue and Rocky 

 Mountains." " Columbia River, Ft. Vancouver." 



Mr. Brandegee collected this in the San Juan Valley. 

 Hayd. Bull. Geol. & Geog. Surv., ii, 3, 244. 



Collected on the moist bench of the cliffs near Bluff 

 City, below Recapture Creek. 



150. Juncus xiphioides Meyer., Syn. June, 50. 

 Collected near the head of Willow Creek, in the moist 



earth around the pools. 



151. Andropogon scoparius Michx., Fl., i, 57. 

 Habitat: " In aridis sylvarum Carolina?." 

 Collected in Willow Creek Canon; not abundant and 



seen nowhere else. 



152. Aristida purpurea Nutt., Am. Phil. Soc, N. 

 Ser., v, 145. 



Habitat: "On the grassy plains of the Red River, in 

 arid situations." 



The form collected in the canon of the San Juan, near 

 the Willow Creek junction, is noticeable because of its 

 white awns, about 4 cm. long. 



153. Blepharidachne Kingii Hack., Monogr. Androp., 

 261. 



First described as Eremochlce Kingii Wats., Bot. 

 King's Exped., 382, t. xl, fig. 10. 



Type localities: " Dry barren foothills of the Trinity 

 Mountains, Nevada; also foothills east of Carson Sink." 



Collected in Willow Creek Canon, near the San Juan, 

 on the rocky canon side. 



