20 PLANTS BAKERIAX.K. 



GYMNOSPORANGIUM SPECIOSUM Peck? Bot. Gaz. iv. 217. 

 On branches and trunks of Juniperus monosperma, Durango, 

 6,500 feet, July 20, n. 1079. This forms large fusiform, 

 plicate swellings on the trunks or larger branches, frequently 

 causing the death of the tree. The specimens were too old 

 for positive identification. 



MELAMPSORA LINI (DC.), Tul. Ann. Sci. Nat. (1854) 93. 

 On Linum Lewisii, Chicken Creek, 9,000 feet, July 7, n. 

 1039. 



PHRAGMIDIUM MUCRONATUM (Pers.), Lk. Spec. Plant, ii. 

 84. At Hamor's Lake, north of Durango, 9,000 feet, July 

 24, on Rosa, n. 1062. 



PHRAGMIDIUM RUBI-IDE.E (DC.), Winter? II. Die Pilze. 

 231. No. 1043, on Rubus Nutkanus, La Plata Canon, 9,000 

 feet, July 11. Similar to the form of this species credited 

 to this host, but the Uredo spores are larger, 20-28xl5-20/x, 

 and prominently reticulated, not echinulate. We found no 

 teleutospores. 



PUCCINIA ABERRANS Peck Bot. Gaz. iv. 217. No. 1050, 

 on Draba, Bob Creek, 10,500 feet, July 1. 



PUCCINIA ACROPHILA Peck 1. c. vi. 227. No. 1069, on 

 Synthyris Ritteriana, Cumberland Mine, La Plata Mts., 12,000 

 feet, July 15. 



PUCCINIA BALSAMORRHIZ.E Peck, Bull. Torr. Club. xi. 49. 

 No. 1036, on Balsamorrhiza deltoidea, Mancos, 7,000 feet, 

 June 23. 



PUCCINIA CALOCHORTI Peck, Bot. Gaz. vi. 228. No. 1056, 

 on Calochortus Gunnisoni, Mancos, 7,000 feet, July 9. 



PUCCINIA CLAYTONIANUM (Schw.) N. Am. Fungi, No . 



