474 Mr Lindsay's Report on Opcn-Air Vegetation. 



'proe.cox, Saxifraga oppositifolia, S. Burseriana multifiora, Scilla 

 h'ifolia alba. 



March. — During the month of March the thermometer 

 was at or below the freezing point on thirteen mornings. 

 The total amount of frost registered for the month was 49°, 

 as against 90° for the corresponding month last year. The 

 lowest temperatures were indicated on the mornings of the 

 3rd, 20° ; 9th, 24° ; 18th, 28° ; 24th and 31st, 27°. The day 

 temperatures were high, the lowest being 40", on the 9th ; 

 and the highest 64°, on the 16th. 



Eain fell on thirteen days, and snow on two days. There 

 were frequent intervals of bright sunshine, and on the whole 

 the month was a most favourable one. 



Vegetation generally has made rapid progress. Deciduous 

 trees and shrubs, such as Thorns, Lilac, Horse Chestnut, 

 Plane, and Pyrus are already bursting into leaf. The dif- 

 ferent varieties of flowering Currant are in full blossom. 

 On south walls the double-flowered Peach, Magnolia Yulan 

 and Forsytliia viridissinia, are flowering more profusely than 

 they have done for many seasons. Of the forty spring 

 flowering plants whose dates of flowering are annually 

 recorded, the following ten came into flower, viz. : — Scilla 

 hifolia taurica, on March 5 ; Narcissus pumilus, 8th ; Orobus 

 vernus, 9 th ; Draba aizoidcs, 9 th ; Erythronium Dens canis, 

 10th; Omphalodes vcrna, 11th; Narcissus pseudo-Narcissus, 

 loth ; Corydalis solida, 20th ; Bibes sanguineum, 22nd ; 

 Hyoscyanius Scopdia, 23 rd. 



On the Eock Garden seventy-three species and varieties 

 came into flower during the mouth, being thirteen more 

 than for last March. Amongst the most conspicuous were : 

 — Aneinone pulsatilla, Corbidaria nivalis, Dcntaria cneaphylla 

 and pentaphylla. Narcissus bicolor and varieties, N. incom- 

 parabilis gigantea, N. rupicola, Olcaria Gunniana, Baehys- 

 tima Canbyii, Bulmonaria arvei^ieoisis, Brimula marginata, 

 B. cashmiriana, Saxifraga Bii7'seriana Boydii, S. ciliata, S. 

 imbricata, S. juniperina, Soldanella montana, Synthiris reni- 

 foj'inis, Veronica Colensoii, Xanthorhiza apiifolia. 



