48 PANICEAE 



7. Panicum miliaceum L. Hog Millet. Sparingly culti- 

 vated at different places in the State and occasionally escaped. 



8. Panicum barbipulvinatum Nash. Children call it "tickle 

 grass." A common field and garden weed in cultivated land 

 throughout the State. 



9. Panicum pampinosum Hitchc. and Chase. Occasional 

 in the drier mountains of the southern part of the State. Upper 

 Sonoran Zone. 



10. Panicum hirticaule Presl. Very similar to the preceding, 

 with a similar distribution. Upper Sonoran Zone. 



11. Panicum hians Ell. Collected once in fields at Las 

 Cruces. Lower Sonoran Zone. 



12. Panicum halli Vasey. On the plains of the eastern part 

 of the State and in the mountains of the southern part. Upper 

 Sonoran Zone. 



13. Panicum Virgatum L. In the mountains, not very com- 

 mon. In the Transition Zone. 



14. Panicum havardii Vasey. Ou the plains of the eastern 

 side of the State. In the Sonoran Zones. 



15. Panicum plenum Hitchc. and Chase. In the drier 

 mountains of the southern and southwestern part of the State. In 

 the Upper Sonoran Zone. 



16. Pancum bulbosum H. B. K. A fairly common grass in 

 the mountains throughout the State at elevations of from 6000 to 

 8000 feet. In the Transition Zone. A smaller jjlant of the same 

 general pattern is var. SCiaphJium (Rupr.) H. and C. which occurs 

 most frequently in the southern part of the State; except for size 

 it is hardly distinguishable from the species. 



19. LEPTOLOMA Chase. 



I. Leptoloma cognata (Schultes) Chase. Known in New 

 Mexico from a single specimen collected in the gardens at Las 

 Cruces. An introduced weed. 



