868 



THE A M ERIC A N NA T URA LIS T [Vol. XL 



Vaccinium ccespitosum Mx. 

 V. poreohilum Rydb. 

 V. erythrococcum Eydb. 

 Chondrophylla americana (Engelm.) . 

 Phacelia ciliosa Rydb. 

 Mimulus langsdorfii Sims. 

 Veronica wormskjoldii R. & S. 



(Goes above timber line in New 



Mexico.) 



(6) Species confined to the United States, 

 north of the British Boundary (71 species) : — 

 Pinus aristata Engelm. Pedicularis pa, 



Stipa minor (Vasey). Campanula pa 



Poa sheldonii Vasey. (Colo, only.) Macronema dif 

 Festuca minutiflora Rydb. Aster fremonth 



F. thvrberi Vasey. 

 Carex melanocephala Turcz. 

 C. scopulorum Holm. (Colo. 

 Anticlea coloradensis Rydb. 

 Polygonum commixtum Gret 

 Oreobroma pygmcea (A. (^ira^ 

 Cerasfdum earlei Rydb. 



Castilleja lancifolia Rydb. 

 Elephantella grcenlandica (Retz.) 

 Pedicularis racemosa Dougl. 

 P. bracteata Benth. 

 Aster apricus (A. Gray). 

 Erigeron salsuginosiis (Rich.). 

 Hieracium gracile Hooker. 

 Agoseris gracilens (A. Gray). 



extending 



C. occidentale Greene. 

 Trollius albiflorus (A. Gray). 

 Aquilegia saximontana Rydb. (Colo, 

 only.) 



Aconitum bakeri Greene. 

 Ranunculus unguiculatus Greene, 

 (Colo, only.) 



Draba crassa Rydb. 

 D. spectabilis Greene. 

 ) D. luteola Greene. (Colo, only.) 

 Micranthes arnoglossa (Greene). 

 Ribes lentum (Jones). 

 Lupinus parviflorus Nutt. 

 ). Trifoliumbrandegei a. W&ts. (Colo.. 



T. stenolobum Rydb. (Colo. only.). 

 T. lividum Rydb.^ 

 Geranium pattersonii Rydb. (Colo, 

 only.) 



Viola bellidifolia (Jreene. 

 Oreoxis alpina (A. Gray). 

 Ligusticum porteri C. & R. 

 Pseudocymopterus montanus (A. 



Thlaspi nuttallii Rydb. 

 Smelou'skia americana Hydb. 

 PenMemon glaucus Graham. 

 Castilleja lauta A. Xels. 

 C. linearis Rydb. (Colo, only.) 

 C. puberula Rydb. (Colo, only.) 



Gray). 



'. sylvaticus A. Nels. 

 ndrosace subumbellata (A. Nels.).. 

 nthopogon barbellatus (Engelm.). 

 (Colo, only.) 



marella monantha (A. Nels.)^ 

 (Colo, only.) 



. scopulorum Greene. 



. plebeja holmii (Wettst.) 



I lividm 



L by Rydberg as extending to 12,000 feet; my 



