472 Mr Lindsay's Report on Open-Air Vegetation. 



tered being 70°, as against 57° for the same month of 1888. 

 The lowest readings occurred on the 4th, 23° ; 12th, 23" ; 

 22nd, 25° ; 28th, 25° ; 30th, 25°. The lowest day tempera- 

 ture was 35°, on the 12th ; and the highest, 55°, on the l7th. 

 On the Eock Garden the following species came into flower 

 during the month, viz. : — Iris sophonensis, Schizostylis coccinea, 

 and Ilcilchoms purpurascens var. The total number of alpine 

 and dwarf-growing herbaceous plants which have flowered 

 during the past year in the Eock Garden amounts to 1484, 

 being 58 less than during 1888. The number of species 

 which came into flower each month was as follows : — 

 January, 20 ; February, 27 ; March, 60 ; April, 134 ; May, 

 380 ; June, 444 ; July, 258 ; August, 99 ; September, 38 ; 

 October, 13 ; November, 8 ; December, 3 ; total, 1484. 

 Tussilago fragrans, one of the forty plants whose dates of 

 flowering are annually reported to the Society, came into 

 flower on the 12th of the month. 



January 1890. — The past month has again been unusually 

 mild. Vegetation is considerably in advance of what it was 

 at the same date last year. Hardy spring flowers are not 

 only earlier, but are more vigorous, and flowering more pro- 

 fusely than they have done for some years back. The various 

 species and varieties of Hdlelorus have rarely been seen in 

 such fine condition. Hazel, Alder, and Garry a are perfectly 

 covered with flowers this season. During the month the 

 thermometer was at or below the freezing point on twelve 

 mornings, indicating collectively 45° of frost, as against 57° 

 for the corresponding month last year. The lowest readings 

 occurred on the 3rd, 24° ; 23rd, 23° ; 24th, 23° ; 28th, 27° ; 

 29th, 26°. The lowest day temperature was 35°, on the 23rd 

 of the month ; and the highest 57°, on the 16th. 



On the Eock Garden 37 species and varieties came into 

 flower, amongst which were Crocus annulatus and Imjjcrati, 

 Colchicum crociflorum, Galanthus Elwesii and Imperati, Cycla- 

 men Aikinsii, Hep)atica angulosa, Lcucojum carpaticum, 

 Primula denticida, Hyacinthus azurcus, Poly gala Chamiebuxus, 

 Ranunculus anemonoides, Saxifraga Burseriana, &c. Of the 

 forty plants whose dates of flowering are annually recorded, 

 the following eighteen came into flower during the month, 

 viz. : — Dondia Upipactis, on January 6 ; Scilla prwcox, 6th; 



