136 



INJUUIKS TO PLANTS, WINTKK, 1879-80. 



for protecting vegetation from the severities of the weather. 



Main/all, 187^ — 27 23 ins. ; average (1875-78), 25 ins. 



Bate of Omet and Duration of Frost— Oct. 15th, 27°; a few 

 degrees of frost on 16th, 18th, 26th, 27th and 28th. Slight frosts 

 for a few days from Nov. 1st ; Nov. 14th, 22° ; followed by thaw 

 till 22nd, when the severest frost experienced here since 1860 began. 

 Dec. 1st, 22°; 2nd, 18°; 3rd, 6°; 4th, 5°; 5th, 20°; 6th and 7th, 

 22°; 8th, 21°; 9th, 27°; 10th, 23°; 11th, 22° ; 12th, 25°. These 

 temps, wore followed by n t haw t ill I St h. On I'.Mh frost recommenced 

 with a temp, of 21° ; 20th, 20°; 2 1st, 21°. Three days thaw, and 

 then three days slight frost followed ; while thaw prevailed from Dec. 

 28th to Jan. 10th. The frost then continued without a break until 

 Jan. 10th ; min. temp, being on Jan. 18th, 18° ; the av. being 24° 

 nightly. The two winter months, Dec. and Jan., had 38 frosty 

 nights and a total of " 342° of frost." The same two months in 

 1878-79 had 56 frosty nights and a total of 580° of frost, the se- 

 verest night being Dec. 14th, when 10° were registered. However, 

 the effects of the long-continued frost of 1878-79 were much less 

 disastrous to vegetation than the shorter and sharper frost of the past 

 winter.* 



Plants injured, 1879-80 —14 (1), 35 (2), 16 (3) — Ampclopsis 

 hederacea, 2; A. Veitchii, pts. of young slits, kd., 3. Arbulns Dnedo, 

 1, kd. to grd., 2. Aucuba japonica, 2, 3. Azalea amaana, (6 years 

 unhurt), 2. Bambusa Fortunei variegata, slightly browned, 3. Ber- 

 bcris Bealii, kd. to grd., 2. Broom, in low places, 1. Catalpa syriu- 

 gaifolia, planted 1878, tips kd., 2. Cedrus Deodara, lost many leaves, 

 3. Clematis lanuginosa, and others of same strain, 1. Daphne 

 pontica, iu damp places, 1. Deutzia gracilis, young wood kd., 2. 

 Eheaguus reflcxa, on walls, kd. to grd., 2. Eucalyptus globulus, 

 planted 187 \ 25 ft. high, 1. Euonymus fimbriata, 1. Eurya lati- 

 folia, variegata, stood winter 1878-79, 1. Griseliuia littoralis, kd. to 

 grd., 2. Hartogia capeusis, 2. Hedcra canadensis, lost foliage and 

 young shts., 2 ; H. Rogeriaua, lost half foliage, 3. Laurel, Bay, kd. 



* Rep. on Temps, during the Winter, 1879-SO, at HI. Bot. Gard. Edinb. by J. 

 Sadler, p. If). [Mr. Dvmn usually gives the temps, as so many "degrees of 

 frost." Here, as elsewhere, I have substituted the actual number as registered 

 by thu therm., thus '* 10 degrees of frost " ire M» F.| O, H.J 



