APPENDIX. LXIII 



oz. or Ibs. peracra 



64 dr.of grass affor-Wmitritive*matter 3dr.-i 



Thr produce of the space, ditto 7.2 dr. $ 51 



LXXXIX. Agrostis repens. Wither. Bot. A. nigra. 

 Creeping rooted bent, black bent. Nat. 

 of Britain. 



At the time of flowering, the produce from a clayey 

 loam, is 



Grass, 9 oz. The pro luce per acre 98010 6125 10 



30 dr. of grass weigh when dry 35dr.-> 2679156 



The produce of the space, ditto 63d,-5 



The weight last by the produce of one acre in drying 3445 10 10 



54 dr. of grass afford of nutritive matter 3 dr. 



oar o <3 

 The produce of the space, ditto 6.3 dr. 



KG. Agrostis mexicana. Hort. Kew, I. P. 150. 

 Mexican bent grass. Nat of S. America. 

 Introduced 178 , by M. G. Alexander. 

 At the time* of flowering, the produce from a 

 black sandy soil, is 



Grass, 28 oz. The produce per acre 304920 19057 8 



80 dr. of grass weigh when dry 28 dr.-. 



The produce of the space, ditto i56.3l.5J 106722 ~ 66r 2 



The weight lost hy the produce of one acre in drying 12387 6 



64 dr. of grass afford of nutritive matter 2 d; 

 The produce of the sp-.-ce, ditto 14 d 



XCI. Stipa pennata. Engl. Bot. 1356. Long- 

 awned feather grass. Nat. of Britain. 



At the time of flowering the produce from a heath 

 soil, is 



Grass, 14 oz. The produce per acre 152460 9528 12 



80 dr. of grass weigh when dry 29 dr ^ 55^66 12 3454 2 12: 



The produce of the spuce, ditto 81 1-5 dr-J 



Th<* weight lost by the produce of one acre In drying 6074 9 4 



lr.1 



^ > 9528 12 595 8 12 



