136 The West American Scientist, 



32. Zygadenus elegans, Pursh. Common. 



33. Zygadenus nuttallii, Gray. Porter and Coulter, "Fl. 

 Colorado." 



34. Luzula spadicea, D. C. 



35. Luzula spadicea parviflora, Meyer. 



36. Juncus balticus, Deth. Very abundant. 



37. Juncus mertensianus, Meyer. Porter and Coulter, "Fl. 

 Colorado. " 



38. Typha latifolia, L., id. loc. cit. 



39. Sparganium simplex, Huds., id., loc. cit. 



40. Lemna trisulca, L., West Cliff. 



41. Lemna minor, L., West Cliff. 



42. Cyperus filiculmis, Vahl. 



43. Cyperus schweinitzii, Torr. Porter and Coulter, U F1. 

 Colorado." 



44. Scirpus maritimus, L.,id. , loc. cit. • 



45. Eriophorum polystachyum, L., var., with channelled 

 leaves. West Cliff. 



46. Hemicarpha subsquarrosa, Nees. Porter and Coulter. 

 "Fl. Colorado." 



47. Carex douglasii, Boott. A species abundant in spring in 

 open ground is referred with doubt to this. 



48. Carex aurea, Nutt. 



4Q. Carex echinata microcarpa, Bcklr. Porter and Coulter, 

 "Fl. Colorado." 

 50 Andropogon scoparius, Michx. 



51. Hierochloa odorata (L.)=borealis, R. and S. 



52. Stipa spartea, Trin. Porter and Coulter, "Fl. Colorado." 



53. Phalaris canariensis, L. West Cliff, introduced. 



54. Danthonia sericea, Nutt. Porter and Coulter, "FL Col- 

 orado." 



55. Phleum pratense, L. Cultivated, and occasionally an es- 

 caped casual. 



56. Sporobolus depauperatus, Torr. Porter and Coulter, 

 "Fl. Colorado." 



57. Agrostis scabra, Willd. 



58. Boutelona oligostachya, Torr. Very abundant on dry, 

 open ground. 



59. Catabrosa aquatica, Beauv. Porter and Coulter, "Fl. 

 Colorado. " 



60. Poa andina. Common on open ground, spring. 



61. Bromus ciliatus, L, Porter and Coulter, "Fl. Colorado.' ' 



7! D. A, CockerelL 



