403] FLORA OF BOULDER, COLORADO 255 



SOUTH DAKOTA to IDAHO; MISSOURI to TEXAS and COLO- 

 RADO. 



1194. C. ochrocentrmn Gray [Cnicus ochrocentrus Gray; 

 Carduus ochrocentrus (Gray) Greene]. YELLOW-SPINED 



THISTLE. 



Plains, 5100-6000 ft. (Daniels, 1033). 

 NEBRASKA to COLORADO; TEXAS to ARIZONA. 



476. CENTAUREA L. STAR THISTLE. 



1195. C. Cyanus L. BLUEBOTTLE. CORNFLOWER. BACHELOR'S 

 BUTTON. 



Escaped into roadsides and streets about Boulder, 5300-5600 

 ft. (Daniels, 140). 

 EUROPE, thence to NORTH AMERICA. 



Family 112. CICHORIACEAE. Reich. Chicory family. 



477. PTILOB1A Raf . 



1196. P. ramosa Rydb. BRANCHING PTILORIA. 

 Boulder (Rydberg). 



NEBRASKA and MONTANA to COLORADO. 



1197. P. pauciflora (Torr.) Raf. [Stephanomeria runcinata 

 Nutt.]. FEW-FLOWERED PTILORIA. 



Plains about Boulder, 5100-6000 ft. (Daniels, 475). Also 

 between Sunshine and Ward (Rydberg). 

 COLORADO to NEVADA ; TEXAS to ARIZONA. 



478. TEAGOPOGONL. SALSIFY. 



1198. T. pratensis L. YELLOW GOAT'S-BEARD. 



Boulder Canon road and about Boulder, 5100-7000 ft. (Dan- 

 iels, 559). 



EUROPE, thence to NORTH AMERICA. 



1199. T. porrifolius L. SALSIFY. OYSTER PLANT. 

 Common about Boulder, 5100-6000 ft. (Daniels, 17). 

 EUROPE, thence to NORTH AMERICA. 



ii99a. T. porrifolius L. X T. pratensis L. 

 Aurora St., Boulder (Cockerell). 



