367] FLORA OF BOULDER, COLORADO 2I9 



Family loo. PINGUICULACEAE. Dumort. Butterwort 

 family. 



411. UTRICTJLARIA L. Bladderwort. 



961. IT. vulgaris L. Common bladderwort. 



Cold marsh near Long's Peak (Porter & Coulter). 

 North America: Europe: Asia. 



Eamily loi. OROBANCHACEAE. Lindl. Broom-rape 

 famUy. 



412. THALESIA Raf. Cancer-root. 



962. T. fasciculata (Nutt.) Britton [Apliyllon fasciculatum 

 (Nutt.) Gray]. Clustered cancer-root. 



Plains, mesas and foothills, 5100-8000 ft. (Daniels, 18). All 

 the plants collected were parasitic on the roots of Psoralea 

 tenuiflora Pursh. My plants, as also some collected by Prof. 

 Cockerel! north of Boulder, have larger calyx lobes (5-6 mm.) 

 than is usual in eastern plants. 



Indiana to Yukon ; Colorado to California and Mexico. 



962a. T. fasciculata lutea (Parry) Britton. Yellow clus- 

 tered cancer-root. 

 Boulder (W. P. Cockerell). 

 Range of the type? 



Order 39. PLANTAGINALES. 

 Family 102. PLANTAGINACEAE. Lindl. Plantain family. 



413. PLAMTAGO L. Plantain. 



963. P. major L. Common plantain. 



Waste places and along ditches, 5100-6000 ft. (Daniels, 



675)- 



Cosmopolitan. 



964. P. lanceolata L. English plantain. Ribgrass. 

 Waste places and roadsides, 5100-6000 ft. (Daniels, 793). 

 Europe and Asia, now cosmopolitan. 



965. P. PuTshii R. & S. [P. Patagonica gnaphalioides (Nutt.) 

 Gray]. Pursh's plantain. 



