Chapter 1. 



ENUMERATION OF THE ALPINE SPECIES OF VASCULAR PLANTS OBSERVED IN THE 



ROCKY MOUNTAINS OF COLORADO. 



SELAGINELLACEAE. 



Selaginella rupestris L. Very common among rocks, on bowlder fields, etc., on all the higher mountains from 12,000 

 to 14,000 feet. 



CONIFERAE. 



Juniperus communis L. var. alpina Gaud. Rare: Mount Massive, 12,000 feet. 



GRAMINEAE. 



Phleum alpinum L. Infrequent: Damp places among rocks, Mount Elbert and Mount Massive, 12,000 feet. 



Agrostis varians Trin. Rare: James Peak, 13,000 feet; bowlder field on Longs Peak, 12,000 feet. 



A. canina L. var. Rare on dry slopes of Mount Massive, 12,000 feet. 



Calamagrostis Canadensis Beauv. var. acuminata Vasey. Very rare in the Alpine region: Steven's mine near Mount 



Kelso, 11,500 feet. 

 C. purpurascens R. Br. Not common: Bowlder field on Longs Peak, 12,000 feet; Grays Peak, 12,500 feet; Mount 



Massive, 12,000 feet. 

 Deschampsia caespitosa Beauv. Frequent in wet, mossy ground along brooks and near the snow banks, very variable: 



James Peak, 13,000 feet; Mount Kelso; Grays Peak; Mount Massive, 12,000 feet; Thompsons Canyon on Longs 



Peak, 10,500 feet. 

 Trisetum subspicatum Beauv. Frequent in dry, stony ground, quite variable: James Peak, 13,000 feet; Mount 



Elbert; Mount Kelso; Mount Massive, 12,000 feet. 

 Avena Mortoniana Scrib. Very rare in mossy ground on James Peak, 13,000 feet. 

 Poa rupicola (Vas.) Nash. Frequent on dry rocks: James Peak, 13,000 feet; Grays Peak, 12,500 feet; Mount Elbert; 



Mount Massive, 12,000 feet. 

 P. flexuosa Wahlenb. Frequent among rocks, in dry ground: Grays Peak; Mount Elbert, 12,500 feet; Mount Kelso; 



Longs Peak, 12,000 feet; Steven's mine, 11,500 feet. 

 P. gracillima Vas. Abundant in thickets of Salix glaucops along brooks on Mount Kelso, 11,500 teet. 

 Poa Fendleriana Steud. (P. Californica Vasey). Very rare near snow banks: James Peak, 13,000 feet; Grays Peak; 



Mount Elbert, 12,500 feet. 

 P. alpina L. Rare: Bowlder field on Longs Peak, 12,500 feet; along brooks in thickets of Salix glaucops Mount Kelso, 



11,500 feet; Mount Massive; Mount Elbert, 12,000 feet. 

 P. Lettermannii Vas. (pi. 7, figs. 67-70). Very rare: In wet moss, summit of Pikes Peak, 14,147 feet. 

 Festuca ovina L. Common in dry ground: James Peak, 13,000 feet; Longs Peak; Mount Massive; Mount Kelso; 



Mount Elbert, 12,000 feet. 

 F. ovina L. var. supina Hack. (pi. 7, figs. 71-74). Less frequent, in crevices of rocks: Pikes Peak, 14,147 feet; Mount 



Elbert; Grays Peak; Longs Peak, 12,500 feet. 

 Agropyrum violaceum (Horn.) Lge. Very rare on dry slopes of Mount Kelso, 12,000 feet. 

 A. Scribneri Vas. Very rare, among Dryns, James Peak, 13,000 feet; bowlder field on Longs Peak, 12,000 feet; Grays 



Peak, 12,500 feet; Mount Elbert, 12,000 feet. 



CYPERACEAE. 



ElynaBellardi(AlL). Frequent on most of the peaks. 



Cares nardina Fr. Very rare: Mount Elbert, 12,000 feet. 



C. festiva Dew. Seldom Alpine: Grays Peak, 13,000 feet. 



C. festiva Dew. var. Haydeniana (Oln.). W. Boott. Frequent on grassy slopes: Mount Kelso; Mount Massive, 12,000 



feet; Thompsons Canyon on Longs Peak, 10,500 feet. 

 C. festiva Dew. var. decumbens Holm. Abundant on grassy slopes of Mount Kelso, 12,000 feet. 

 C. petasata Dew. Rare in dry, stony ground: James Peak, 13,000 feet; Mount Massive; Mount Kelso, 12,000 feet. 

 C. siccata Dew. In dry, stony ground: Mount Kelso, 12,000 feet. 



C. Bonplandii Kunth var. minor Olney. Very rare: Near the snow banks, headwaters of Clear Creek, 12,000 feet. 

 C. alpina Sw. var. Stevenii Holm. Seldom Alpine: Damp places on Grays Peak, 12,000 feet. 

 C. melanocephala Turcz. In thickets of Salix glaucops on Mount Kelso, 11,500 feet. 

 C. atrata L. (pi. 7, figs. 63-65). Rare in bowlder fields on Longs and Grays Peaks, 12,500 feet. 

 C. chalciolepis Holm (pi. 7, figs. 60-62). Frequent in dry ground: James Peak, 13,000 feet; Mount Kelso; Mount 



Massive; Mount Elbert; Grays and Longs Peaks, 12,000 feet; Thompsons Canyon on Longs Peak, 10,500 feet. 



