42 Flora of Denver. 



top of the stem, bracts very broad and rounding, ciliate and 

 veiny, corolla bright purple. Along the Platte. Summer. 



327. Stachys palustris L. (WOUXDWORT.) Stem tall and 

 -erect, rough, hairy spike at the top of stem, interrupted, corolla 

 pink. This is without an aromatic odor. Common in damp 

 places. Summer. 



PLANTAGINACE^E. (Plantain Family.) 



328. Plantago major L. The common plantain with broad 

 veiny leaves. Common. Summer and fall. 



329. Plantago Patagonica JACQ. var. gnaphalioides GRAY. 

 This is the low, white, woolly plantain of the prairies; the flow- 

 ers are in dense and numerous spikes, corolla is white and pa- 

 pery. Common in the spring, often covering the ground for 

 acres with a silvery foliage. 



330. Plantago lanceolata L. Introduced. Not common. 

 NYCTAGINACE/E. (Four-o'clock Family.) 



331. Oxybaphus nyctagfneus SWEET. This has purple 

 flowers and heart-shaped leaves. The stem is tall and branched. 

 Along the Platte and Cherry Creek in the shade. Summer. 

 The var. obfamgif6liw is found along the ditches in the open 

 country. 



332. Oxybaphus angustifolius SWEET. This has long linear 

 leaves, calyx delicate and white, involucre papery, fruit hoary. 

 Common on the plains in late summer. These open in the 

 evening. The var. oblongifolius also grows at Denver along the 

 ditches. 



333. Abroniafragrans XUTT. (FRAGRANT ABRONIA.) Stems 

 thick and fleshy, many from the root, spreading along the 

 ground; umbels axillary on the long peduncles, head of fruit 

 globular, flowers white and with a strong sweet perfume, which 

 causes it to be wrongly named wild heliotrope. Common in 

 sandy places. Summer. 



