— 165 — 
times recorded, this is nothing compared with Merw which 
has a mean temperature for January of -— 0,6” C. (Askhabad 
— 0,2” C., Petro Alexandrowsk 5,5°, table 1) and Yekate- 
rinoslaw which has — 7,4° C., the minimum temperatures 
of both localities being nearly 20° C. or even less. 
Spain, which as regards July-temperature takes third 
place, becomes second in this respect since the winter there 
is much warmer than in Transcaspia (Murcia 9,3° C., Zara- 
goza 5,2° C., Madrid 4,9° C. in January). The number of 
annual summer-plants in this case is thus in accordance with 
the July temperature, not that of January. This leads us 
to the conclusion that the January temperature may be a 
major factor only when it is high, while marked differences 
in the lower temperatures do not seem to be of any import- 
ance. The data are, however, too scanty to allow us to 
come lo any decisive conclusion. 
Table 5. 
Distribution of the growth-forms of Transcaspian species 
amongst certain natural orders. 
Number | Percentage of species occurring as growth-forms 
RAC ga N ET 
IE Gi; HE| Eh. 
Borraginaceae ........ ADL le, 4 | 29 10 SR 57 
Caryophyllaceae ..... BON er 36 20 ie. =e 44 
Chenopodiaceae ..... 94 13 11 Aw Sø 72 
Comipositae. .-..2. 2.2... | 103 2 8 | AI 42 
Cruciferae ........ ee 10 | 90 
Brammeaes... ss: 44 | 25 | 18 2 57 
Babiatae: - oe N ADR DBL GES a 103) 530 
Purcese ... ... nc. | 24 ee 2.’ LOO ne MT 
Papilionaceae.. ...... 85 27 10 ADP 1.549 SOU 
Folyvonuaceae .. .....l 26.180 |: .. py A ese 8 
Ranunculaceae ...... 23 2 4 48 | Aled 40 
Umbelliferae.......... 31 4 84 N eee 16 
Tamaricaceae......... 18 | 95 5 = N id ct a 
Zygophyllaceae.... .. P77, AD ap 69 Får Er 19 
From table 5 it will be seen which natural orders are 
specially represented by annual species in the Transcaspian 
