456 PLANTS OF NORTH-WEST MONGOLIA AND CHINESE DZUNGARIA. 
EXPLANATION OF THE PLATES. 
PLATE 20. 
Sketch-Map showing the route taken by Mr. Price through N.W. Mongolia and Dzungaria 
and the localities mentioned in the payer ; based upon the map in the Geographical 
Journal, vol. xxxix. (June 1912), by permission of the Royal Geographical Society. 
PLATE 21. 
Figs. 1-7. SAUssUREA Prices, N. D. Simpson. 
1. Plant (nat. size), 9. Floret, x 4. 3. Anthers, x 5. 4. Stigma, x 15. 5 and б, Ex- 
ternal and internal involucral scales, x 2. 7. Seta from the receptacle, x 6. 
Figs. 8-14, Laruyrus Frotown, N. D. Simpson. 
8. Plant (nat. size). 9. Vexillum, x 3. 10. Ala, x 3. 11. Carina, x 3, 12. Stamens 
and ovary, X З. 18. Calyx, х8. 14. Leaf-imargin, highly magnified, 
PLATE 22. 
Figs, 1-7. SAUSSUREA PSEUDO-ALPINA, №. D. Simpson. 
І. Plant (nat. size). 9. Floret, x 3. 3. Anthers, x 5. 4. Stigma, x 5. band6. Internal 
and external involueral scales, x 3. 7. Seta from the receptacle, x 3. . 
Figs. 8-12. Senecio Pricer, N. D. Simpson, 
оо 
Ран (nat. size). 9. Disc floret, x 4. — 10. Ray floret, x 9. 1l. Anthers, x 10. 
12. Stigma, x 25. 
PLATE 23. 
Figs. 1-3. Prverpanum Pricer, N. D. Simpson. 
l. Plant (nat. size). 2. Fruit, x 5. 3. Transverse sections of mericarp, x 6. 
Figs. 4-12. Poa Pricer, N. D. Simpson. 
4. Plant (nat. size). 5. Spikelet, x 7. 6 and 7. Glumes. 8 Valve and palea, x 6, 
9. Half a valve. 10, Palee. 11. Caryopsin. 12. Ovary with stigmas, 
