OF ALPINE PLANTS IN THE CAUCASUS. 281 
GENTIANA CAUCASICA, Bieb. My highest stations are on the 
Little Ararat at 11,500 ft.; flowering specimens 5-7 high were 
here gathered, 12/24 August, 1871. This species descends to 
about 3000 ft., and then reaches the height of 20-25 em. [8-10 
in.], as, for instance, in the Borshom range of mountains, 
GENTIANA PYRENAICA, Zinn. On Kasbek to fully 10,000 ft., 
and on Schah-dagh to close upon 11,000 ft. 
*GENTIANA VERNA, Linn. On the Little Ararat it reaches to 
near the summit, that is more than 12,000 ft., which is my 
highest station. The specimens from that place, on 12/24 
August, 1871, were past flowering, almost stemless, with strong 
rosettes of root-leaves, and the upper surface of the leaves much 
wrinkled. Specimens were gathered at 10,000 ft. which retained 
the flower-stalks of the previous year, 10 em. high [4 in.]. I 
have this species from all the alpine localities of my sphere of 
travel, for instance, from Kapudschich at 10,000 feet. 
*Myosoris SYLVATICA, Hoffm. With Trautvetter and Koch 
I unite with this M. alpestris, Lehm., which with regard to 
vertical distribution embraces an uncommonly wide territory. 
Whether it grows at the sea-level, I am not able to state: 
I found it both in the Colehis and Talysch lowlands, but cer- 
tainly it grows from 1000 ft. upwards, till it attains its greatest 
altitude on the Great Ararat of 14,000 ft., as certified by two 
dwarf specimens obtained 9/21 August, 1571. I must dispute 
the statement which Boissier makes (Fl. Orient. iv. 237) that 
M. sylvatica is only an annual, both forms under consideration 
being perennial. l gathered specimens of extraordinary vigour, 
which had flowering-stems of 20-25 em. [8-10 in.] on Küp-göl 
on 8/20 August, 1871. I find no essential difference in the 
hairiness of the individuals from various localities. The speci- 
mens from the previously mentioned station of 14,000 ft. are 
7 em. [23 in.] high and in full bloom; the radical leaves have 
long peduncles, are broadly oval, the lower cauline leaves almost 
clavate, the hairiness is somewhat weaker and more sparse than 
in specimens growing at lower altitudes. 
ERITRICHUM NANUM, Vill. I have this plant only from Elbruz 
and Kasbek; on the former I found it 7 em. [24 in.] high, at 
10,000 ft., in flower, 10/22 August, 1865. 
