242 



Gkayia Brandegei, Gray, new species, Proc. Am. Acad., xi, 101. 



Inermis, sesquipedalis, leviter furfaraceo-cinerea ; foliis spathulato- 

 linearibus; thecis minoribus flavidulis oblato-orbiculatis quandoqiie 

 trialatis basi latissime retusis, alls subundulatis ; ovario basilar! papu- 

 lose. 



Found only at the most western topographical station, San Juan 

 Valley, 3,200* feet. 



Alteenanthera lanuginosa, Torrey. 



Pueblo and San Juan Valley. 

 AiMBLOGTNE ToRREYi, Gray, Proc. Am. Acad., 5, 169. 



Caiion City. 



ASCLEPIAS INCARNATA, L. 



CaGou City. 



Polygonum convolvulus, L. 



Colorado Springs — introduced. 

 Polygonum Hartweightii, Gray, Proc. Am. Acad., 1870, 249. 



Caiion City. 



P0LYG0NU3I COARCTATUM, Dougl. 



Parrott City. 

 Eriogonum iNPLATU3r, Torrey. 



San Juan Valley — common. 

 EriogonUm salsuginosum. Hook. 



San Juan Valley — common. 

 Eriogonum divaricatum, Hook. 



San Juan and Mancos Valleys. 

 Eriogonum TH03IASII, Torrcy. 



Southwestern Colorado. 

 ERI0G0NU3I RENEFORME, Torrcy. 



Southwestern Colorado. 

 Eriogonum acaule, Nutt. 



San Juan Valley. 

 Eriogonum racemosum, Nutt. 



Common at 8,000 feet in Southwestern Colorado. 

 Eriogonum corymbosum, Benth. 



Slopes of the Mesa Verde. 

 Eriogonum C0RY3EB0SUM, var. divaricatwn, T. & G. 



Slopes of the Mesa Verde. 

 Eriogonum MICR0THECU3I, Nutt., var. confertifoUum, Benth. 



Southwestern Colorado. 

 Eriogonum microthecum, var. leptophyllum, T. «& G. 



Southwestern Colorado — common. 

 Arceuthobium divaricatum, Englm. 



Cariso and Mancos Mesas, 6,000 feet — parasitic upon Pinus edulis^ 



