628 ■ HISTORY OF PASADENA. 



ARISTIDA Linn. 



A. DiVARiCATA HBK. Altadena. June— September. 



STIPA Linn. Feather grass. 



S. CORONATA Thurb. S. G. Mts. June— September. 



S. EMINHNS Cav. O. K.. S. G. Mts. April— July. 



S. SETIGERA Presl. O. K., S. G. Mts. April— June. 

 MUHLENBERGIA Trin. 



M. DEBiLis Trin. Arroyo Seco. May— July. 



M. MEXiCANA (Linn.) Trin. A. S., M. C, R. C, E. C. June— September. 



PHLEUM Linn. 



P. PRATENSE Linn. (Timothy.) Along streets and in lawns. June — September. 



SPOROBOLUS R. Br. 



S. AiROiDES (Steud.) Torr. Along streets. July— September. 



EPICAMPES Presl. 



E. RiGENS Benth. Arroyo Seco. June — August. 



POLYPOGON Desf. 



P. LiTTORALiS Smith. Moist soil in Lincoln Park. May— July. 



P. MONSPELiENSis Desf. Moist soil about Pasadena. April— July. 

 AGROSTIS Linn. Bent grass. 



A. ATTENUATA Vasey. R. C. June — August. 



A. EXARATA Trin. O. K., A. S. May— June. 



A. MiCROPHYLLA Steud. Altadena, Sierra Madre. June — August. 



A. VERTICILI.ATA Vill. O. K., R. C. June — August. 



GASTRIDIUM Beauv. 



G. AUSTRAI.E Beauv. Altadena, Sierra Madre. June— August. 



HOLCUS Linn. 



H. LANATUS Linn. O. K., Santa Anita. June — August. 



TRISETUM Beauv. 



T. BARBATUM Steud. Arroyo Seco. May— June. 

 A VENA Linn. Oats. 



A. BARBATA Stcud. (Wild oats.) Along streets. March— July. 



A. FATUA Linn. (Wild oats.) Com. below 2,000 feet. February — ^June. 



CYNODON Rich. 



C. DACTYLON Pers. (Bermuda grass.) Along streets and in lawns. March— July. 



ERAGROSTIS Beauv. 



E. MEXICANA Trin. Along streets. August — October. 



MELICA Linn. 



M. IMPERFECTA Trin. Com. in unbroken soil below 3,000 feet. April — August. 



DISTICHLIS Raf. 



D. MARiTiMA Raf. Moist soil south of Pasadena. April — July. 



DACTYLIS Linn. 



D. GLOMERATA Linn. Orchard Grass. ) O. K., Santa Anita. June — August. 



ACHYRODES Boehm. 



A. AUREUM (Linn.) O. Ktze. Com. below 2,000 feet. March — June. 



POA Linn. Meadow grass. 



P. ANNUA Linn. (Goose grass.) Along streets and in lawns. 



P. PRATENSiS Linn. (Kentucky blue grass.) Along streets and in lawns. April — 

 September. 



P. TENUiKOWA Thurb. Oak Knoll. April — ^June. 

 ATROPIS Rupr. 



A. SCABRELLA Thurb. O. K., San G. Mts. April — June. 

 FESTUCA Linn. 



F. ELATIOR Linn. var. pratensis Linn. O. K. April — ^June. 

 F. microstachVs Nutt. O. K., A. S. April— July. 



F. MYURUS Linn. Com. below 3,000 feet. March — ^July. 

 F. TENELivA Willd. Oak Knoll. April— June. 

 BROMUS Linn. Brome grass. 



B. ciiviATusLinn. O. K, S. G. Mts. April— August. 



B. HOOKERiANUS Thrub, Com. below 2,000 feet. April — ^July. 



