COLORADO BOTANY 67 



Nelson, Aven, "The Western Species of Aragallus," Erythaea, Vol. VII, pp. 57-64, 1899. 



, "New Species of Oreocarya and its Allies," Erythaea, Vol. VII, pp. 65-70, 1899. 



, "Some Species of Tetraneuris and its Allies," Bot. Gazette, Vol. XXVIII, pp. 



126-30, 1899. [Describes T. mancosensis n. sp. collected by Crandall at Mancos, 

 Colo.] 



, "Contributions from the Rocky Mt. Herbarium II," Bot. Gazette, Vol. XXXI, pp. 



394-409, 1901. [Gives an account of 300 plants sent by Professor Francis Ramaley 

 from Colorado. Some collected by himself, some by F. Y. Moseley, some by Miss 

 Jennie M. Archibald. Nine new species.] 



, "Contributions from the Rocky Mt. Herbarium III," Bot. Gazette, Vol. XXXIV, 



pp. 21-35, 1902. [Lappula heterosperma homosperma n. var. described from a collec- 

 tion by G. E. Osterhout, New Windsor, Colo.] 



, "Contributions from the Rocky Mt. Herbarium IV," Bot. Gazette, Vol. XXXIV, 



pp. 355-71, 1902. [Describes Opulaster ramaleyi n. sp. from Boulder, Crataegus 

 wheeleri n. sp. from Sapinero, Colo., Crataegus erronis n. sp. from Cerro summit 

 and from Boulder, Colo.] 



, "Contributions from the Rocky Mt. Herbarium V," Bot. Gazette, Vol. XXXVII, 



pp. 260-79, 1904. [Describes Chrysopsis imbricata n. sp. from Pike's Peak.] 



, "Contributions from the Rocky Mt. Herbarium VI," Bot. Gazette, Vol. XL, 



pp. 54-67, 1905. [Describes Sphaerostigma tortum eastwoodae n. var. from Grand 

 Junction, Colo., also Oreocarya pulvinata n. sp.; Chrysopsis coo peri n. sp.; Aster 

 cordineri n. sp.; Crepis alpicola (Rydb.); Gilia exserta n. sp.; Amelanchier oreophila 

 n. sp.; and Amelanchier elliptica n. sp. from Colo.] 



, "Contributions from Rocky Mountain Herbarium VII," Bot. Gazette, Vol. XLII, 



pp. 48-54, 1906. [Describes Prunus ignotus n. sp. collected by C. S. Crandall at 

 Ft. Collins, and Philadelphius nitidus n. sp. col. by H. N. Wheeler at Sapinero.] 



, "The Genus Hedysarum in the Rocky Mountains," Proc. Biol. Soc. Wash., Vol. 



XV, pp. 183-86, 1902. 



, "Psilostrophe, a Neglected Genus of Southwestern Plants," Proc. Biol. Soc. Wash., 



Vol. XVI, pp. 19-24, 1903. 



, "New Plants from Wyoming," Bull. Ton. Bot. Club, Vol. XXXI, pp. 239-47, 



1904. [Names Gentiana monantha n. sp. from Mirror Lake, Colo.] 



, "Plantae Andrewseae," Proc. Biol. Soc. Wash., Vol. XVII, pp. 173-80, 1904. 



[Describes a number of species collected by D. M. Andrews. Asplenium andrewsii 

 n. sp. Boulder: Nemexia herbacea melica subsp. nov. Boulder; Crataegus coloradensis 

 sp. nov. Boulder; Crataegus cerronis A. Nels., the fruit here given as black; Eustoma 

 andrewsii n. sp. Boulder; Pleurogyne fontana n. sp. Boulder and S. Park; Mimulus 

 minor n. sp. Boulder; Erigeron macranthus mirus n. var. Boulder; Aster andrewsii 

 n. sp. Boulder.] 



, "Some Western Plants and Their Collectors," Proc. Biol. Soc. Wash., Vol. XX, 



pp. 33-40, March 27, 1907. [Describes the work of various collectors and students, 

 mentioning that done in Colorado by various people. Describes Mertensia micrantha 

 n. sp. collected by Francis Ramaley and W. W. Robbins at Sugar Loaf, and Douglasia 

 johnstoni n. sp. from near Long's Peak.] 



, "Is This Birch New?" Bot. Gazette, Vol. XLIII, pp. 279-81, 1907. [Describes 



Betula andrewsii n. sp. from north side of Green Mountain near Boulder, Colo.] 



