224 



INJURIES TO PLANTS, WINTER, 1880-81. 



Alt. and Exposure — 412 ft. ; sheltered on N. and E. 

 Rainfall, 1880 — [Brockett Hall, dist., 6 ms., S.E. ; 30-17 ins., 

 on 159 days]. 



Date of Onset and Duration of Frost, 1880-81 — Oct. 3rd and 20th 

 followed by heavy fall of snow, causing great destruction, principally 

 amongst Oaks ; large branches 15 inches in diam. were snapped off. 

 Nov. 22nd, 19°. Winter began in earnest on Jan. 10th, continuing 

 frosty till 27th. April 21st, 25°. The frost cut off all Potatoes 

 and Asparagus shoots. May 11th, 29°; the frost slighly injured 

 the Asparagus, the Potatoes severely. It destroyed some bush fruit 

 and all Strawberry blossom open at the time. 



Min. Temp, and Date — Jan. 17th, 12°. 



Plants injured, 1880-81—10 (1), 13 (2), 7 (3)— Artichoke, globe, 

 2. Arundo Donax, 2. Asparagus, 3. Broccoli, Lander's Goshen, 1 ; 

 Snow's White, 1. Brussels sprouts, 2. Celery, 2. Chimonanthus 

 fragrans, 3. Cryptomeria elegans, 3. Dracaena australis, 3. Euony- 

 mus japonicus, 1. Hydrangea Hortensea, 2. Jasminum officinale, 



2. Kale, 3. Laurel, common, 2 ; L. Portugal, 2. Laurustinus, 1, 



3. Lavander, 1. Leycesteria formosa, 2. Pampas grass, 1. Pens- 

 temons, 1. Phormium tenax, variegatum, 2. Rosemary, 1. Roses, 

 dwfs., 3; Stands, on Briars, 10 p. c, 1; Tea, 1. Stocks, 1. Wall- 

 flowers, 2. Yucca filamentosa, 2. 



3. Harpenden and Rothamstead. — Sir J. B. Lawes and Dr. 

 Gilbert. 



Gen. Char, of Soil — Loam, yellow clay and chalk. 



Alt. and Exposure — Harpenden, 400 ft. : Rothamstead, 420 ft. 



Rainfall, 1880—33-96 ins. 



Date of Onset and Duration of Frost— Oct. 21st and 24th, 29° ; 

 snow fell on 19th. The whole of Oct. characterised by excessive 

 rainfall and low temp. Nov. 1st, sharp frost j 2nd, 23°- 7 : temp, 

 below 32° eleven times ; min. temp., Nov. 22nd, 22°-2. Snow on 

 18th Dec. ; temp, below 32° eight times j min. temp., 22nd, 25°-6. 

 Snow, slight on 17th, heavier on 19th, 20th. Jan. 1881, frosts 

 commenced on 7th, and continued on each day to 27th inclusive ; the 

 min. temp, below 32° twenty-one times. Max. temp., from 12th to 

 22nd, and from 24th to 26th inclusive, was not above 32° ; on 14th 

 it was 25°-7. Slight falls of snow five times, from 8th to 13th, 

 and on 18th a heavy fall with a violent gale. Feb., a few slight 

 frosts at beginning, and the last 8 days. Min. temp, below 32° thirteen 



