Vol. ims a. 4,| Notes on the Pollination of Flowers. 199 
pair last. fpr eaiy oe ie is impossible, and judged 
by the abundance of insect visitors unnecessary. 
tag is pecan but well pales, by the hairs 
within the cor 
e sunny Sasi with their gay flowers are in 
great contrast to these wooded slopes. In spring 

ellow flowers of the Dandelion (Taraxacum 
Fig. 1 1—Flower officinale), and with bright sky-blue Gentiana 
of Lonicera — argentea, budding purple Thyme (Thymus Ser- 
he agg pyllum) and lilac Micromeria biflora. Then below 
at pee ent 8,000 feet we get lilac-blue Salvia lanata, rose 
Scutellaria linearis, deep blue LEvolvulus alsi- 
novdes, white and pale lilac Gypsophila cerastioides, 
bright yellow Tragopogon gracile, and at every little irregularity 
violets are found. ry spots, where the branches of a Cotoneaster 
run on the soil, harbour plants o of deep-coloured Viola Patrinii ; 
and every bank bears the pale lilac-flowered Viola canescens, 

Fig. 2.—Viola Patrinii. x 2. 
Over these sunny hill slopes fly many butterflies, Base Apis 
indica is common: there are on them further a a mber 3 
Bombi, Syrphids and a Bombylius—Bombylius ith 
tongue 10 mm. long. The Gentiana is very freely vine akielly 
and very persistently by Apis cndica : however, it seems to me that 
as Thymus Serpyllumc omes into flower, am forsakes the Gentiana 
or it. Taraxacum gets many visitors ‘of all classe 
Dr. Annandale pointed out to me that when we 3 vee Mati- 
ana, Bombi were only just emerging from their winter sleep, and 
consequently the Gentiana had got the greater part of its flowering 
over before they emerge 
The Bombus of 8, 000 ik and above is Bombus tuntcatus, and it 
is gr fo by Podalyrius quadrifasciate atus The Bombus was 
