134 HORTUS GRAMINEUS WOBURNENSIS. 



A NTHOXA NTHUM odoratum. Sweet-scented Vernal-grass. 



Specific character : Panicle-spiked, ovate-oblong; flowers longer 

 than their awns, on short partial stalks, Sm. E. Fl. v. i. p. 37. 

 Fig. 1. Calyx, natural size. 2. Floret. 3. Germen and Style; 

 4. Inner Valves or Nectary. 



Obs. — Blossom double, the outer one entirely different from 

 that of any other of the grasses, its outside covered nearly to 

 the top with stiff brown hairs lying flat. Stem with two or 

 three short hairs and shining joints. Native of Britain. E. 

 Bot. 647 ; Curt. Lond. ; Wither. Arr. 



Experime7its. — The produce of herbage, from a space of four 

 square feet of a brown sandy loam, with manure, on the 1st 

 of April, is — 



dr. 

 Grass, 5 oz. 2 dr. The produce per acre 

 64 dr. of grass afford of nutritive matter 1 

 The produce of the space, ditto - 2 



At the time of flowering, the produce is. 

 Grass, 11 oz. 8 dr. The produce per acre 

 80 dr. of grass weigh, when dry - 21^ 

 The produce of the space, ditto - 49 



The weight lost by the produce of one acre in drying 5723 10 

 64 dr. of grass afford of nutritive matter 10 ^ loo /i lo 

 The produce of the space, ditto - 2 S-J^ 5 



At the time the seed is ripe, the produce is. 

 Grass, 9 oz. The produce per acre - - 6125 10 



80 dr. of grass weigh, when dry - 24 ^ 

 The produce of the space, ditto - 43 O-rs S 

 The weight lost by the produce of one acre in drying 4287 15 

 64 dr. of grass afford of nutritive matter 3 1^ 

 The produce of the space, ditto - 7 1| 3 



The weight of nutritive matter which is lost by^ 



taking the crop while the grass is in flower, > 188 12 5 

 exceeding: one-half of its value, is - - 3 



The proportional value which the grass, at the time the seed is 



ripe, bears to that at the time of flowering, is as 13 to 4. 

 The produce of latter-math is. 



Grass, 10 oz. The produce per acre - - 6806 4 



64 dr. of grass afford of nutritive matter 2 dr. 1 qr. ^ 

 The produce o^ the space, ditto - 3 0^ S 



311 1 1 



