FLORA OF THE YELLOWSTONE NATIONAL PARK. 55 



BORRAGINACB^I. 



Echinospermum floribundum, Lehm. 



Common about Mammoth Hot Springs. 



Echinospermum Redowskii, Lehm., var. occidentale, Wats. 



Mammoth Hot Springs, 6400 ft. alt.; Yellowstone Lake (Adams). 

 Rare. 



Omphalodes nana, Gray, var. aretioides, Gray (Eritrichium nanum, Schrad., 



var. aretioides, Herder.) 

 On most of the high alpine summits throughout. 



Krynitzkia Californica, Gray. 



Muddy shore of ponds at outlet of Yellowstone Lake. 



Krynitzkia ambigua, Gray (Eritrichium muriculatum, var. ambiguum, Gray). 

 Common on open dry slopes at low elevations. 



Krynitzkia Torreyana, Gray (Eritrichium leiocarpum, Wats., Bot. King Ex., 



in part). 

 With the preceding. 



Krynitzkia crassisepala, Gray. 

 Mammoth Hot Springs. 



Krynitzkia sericea, Gray (Eritrichium glomeratum, var. humile, Gray). 

 Dry benches, Gardiner, 5300 ft. alt. 



Mertensia Sibirica, Don. 



Wet meadows, slopes and along mountain streams. Very common, 

 from 8000-9000 ft. alt. Flowering in August. 



Mertensia lanceolata, DC. 



At lower elevations and less common. Flowering in June. 



Mertensia alpina, Don. 



Wet subalpine and alpine slopes. Common. 



Myosotis sylvatica, Hoffra., var. alpestris, Koch. 



Common throughout, from 6000-10,000 ft. alt. 



SCROPHULARIACE^l. 



Collinsia parviflora, Dougl. 



Common throughout at low altitudes. 



