454 RYDBERG: PHY APHICAL NOTES 
Common to the Southern and Northern Rockies 
Chondrosea Aizoon Antiphylla oppositifolia 
Leptisea austromoniana Oxyria digyna 
_ Restricted to the Southern Rockies 
Anticlea coloradensis Polemonium delicatum 
Aquilegia saximontana 
Polemonium pulcherrimum Senecto petrocallis 
3. TALUS 
In many places, under the perpendicular cliffs, there have gath- 
ered rather steep slopes of talus. Where this consists of larger rocks, — 
the flora is the same as that of the rock-slides, but where it consists — 
of small fragments and especially where there is a certain moisture, . 
this talus has been taken possession of by certain plants, which — 
can be regarded as forming a distinct formation. The most — 
common of these plants are: 
Common to the Southern and Northern Rockies 
Carex Geyert Anemone tetonensis 
Juncus Drummondii Epilobium alpinum 
" Parerys : Hornemannii 
Alsine laeta 
_ Restricted to the Southern Rockies 
Anticlea coloradensis 
Restricted to the Northern Rockies 
Viola flavovirens 
NEw YorK BoTANICAL GARDEN 
Edwinia macrocalyx (Utah) 
=. 
