HORDEAE 



169 



22. Carex alpina Swartz. in the mountains from timber 

 line upward; in the Hudsonian and Arctic-alpine Zones. 



23. Carex nova Bailey. On the high mountains with the 

 last; in the Hudsonian and Arctic-alpine Zones. 



24. Carex bella Bailey. On high mountains near timber 

 line; in the Hudsonian Zone. 



25. Carex ultra Bailey. A single collection from the ex- 

 treme southwestern,coTner of the State. 



26. Carex penn"sVlvkfeli?J^ specimen from near 

 Las Vegas. It is probably cLtlmon on the high mesas at the north- 

 ^m end of the State, but has not beeij^collected. 



27. Carex aurea Nutt./^*<dnountains of the northern 

 part of the State; in the Trantftion and Canadian Zones. 



28. Carex capiliaris e)Orm*tf"oiney. On high cool moun- 

 tains in the northern part o^^ State; in the Arctic-alpine and 

 Hudsonian Zones. 



29. Carex hystricina Muhl. in the mountains of the 

 southwestern quarter of the Slnto; in the Transition Zone (?). 



30. Carex Utriculata Bu,ii. In boggy places in the moun- 

 tains; in the Transition Zone. — TTr=^tT^»^ V^^tSl, • 



31. Carex lanuginosa Miohx. in wet soil beside springs 



and streams, in cienagas, etc. in the mountains; in the Transition 

 Zone. 



32;' Cargr sdxai i llii L 



Iruchas Peak^_atJ3)iUe*WWfirjrri^^ Arctic-alpine ZonT 



Several other species have been reported from the State 

 but Ave were unable to identify them, and saw no material. 



i>^ 



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The Rushes (JrNCACEAE) are grass-like plants 

 which are called orasses In- almost every one except the 

 botanist, and economically they are treated as grasses are. The 

 structure of the flower of the grasses has already been ex- 

 plained and illustrated and it is only necessary to say that 

 the flowers of the rushes have 3 petals^3 sepals, 3 or 6 stamens, 



