Naturalisation in Extra- Tropical Countries. 319 



Fanicum myurus, Lamarck. 



Tropical Asia and America, North-Eastern Australia. A per- 

 ennial aquatic grass, with broad-bladed foliage, fit for ditches and 

 swamps. Regarded by Mr Bailey as very palatable and nutritious 

 to stock. 



Panicum obtusum, Humboldt.* 



The Mosquito- or Mezquite-grass of Mexico. Perennial, nutri- 

 tious ; has strong running stems, which at distances of two or three 

 feet take root, and send up leafy bunches. Dr. Vasey thinks that 

 this grass will show great endurance in droughty seasons. 



Panicum parviflorum, E. Brown. 



East- Australia. On dry hills a fine pasture-grass. P. bicolor 

 and P. marginatum, R. Br. are likewise enumerated by Mr. Bailey 

 among the nutritious grasses of East- Australia. 



Panicum proliferum, Lamarck.* 



Southern parts of North-America. Recorded by Steudel as 

 perennial, by Chapman and others as annual. Evidently one of the 

 hardier species, particularly eligible for wet brackish ground [Prof. 

 A. Gray ] . Vegetates luxuriantly in the hottest part of the summer, 

 the stems lengthening sometimes to 7 feet, soon bending and then 

 rooting from the lower joints, throwing out numerous shoots from 

 them, which grow rapidly, allowing of repeated cutting ; stems 

 thick, succulent, sweetish, panicles to 2 feet long. Through all 

 stages of its growth this grass is much relished by horses and cattle 

 [Dr. C. Mohr]. 



Panicum prolutum, F. v. Mueller. 



South-Easterii Australia. Flourishes in the hottest weather ; 

 bears a large panicle of seed. 



Panicum pro-Stratum, Lamarck. (P. setigerum, Eetzius.) 



Egypt, South -Asia, North- Australia, perhaps also indigenous to 

 tropical America. Perennial. Recommendable for pastures. 



Panicum pyg-maeum, E. Brown. 



East- Australia. Forms a soft, thick, carpet-like verdure in 

 forest- shade [Bailey], thus seemingly eligible as a lawn-grass. 



Panicum repens, Linne. 



Near the Mediterranean Sea, also in South-Asia and North- 

 Australia. Regarded by the Cingalese as a good fodder-grass. It is 



