36 Barclay —On Puccinia Geranii silvatici > Karst . 
EXPLANATION OF FIGURES IN PLATE IV. 
Illustrating Surgeon-Major Barclay’s paper on the Life-history of Puccinia Geranii 
silvatici , Karst (var. himalensis ). 
Fig. i. Photograph showing result of artificial inoculation (experiment 12), 
natural size, photographed 17th May. 
Fig. 2. Teleutospore, showing tuberculation over both cells ; the upper with 
promycelium and sporidia (19th April) x 350. 
Fig. 3. Teleutospore, showing promycelia from both cells. Spore from experi- 
ment 11 (10th May) x 150. 
Fig. 4. Teleutospore of Puccinia Wattiana, Barclay, on Clematis puberula, 
showing promycelial formation as in fig. 3 (6th May) x 350. 
Fig. 5. Teleutospores divided into three and four cells (13th April) x 350. 
Fig. 6. Teleutospore from specimen from the Engadine, showing the upper cell 
only tuberculated, to compare with fig. 2 x 350. 
Fig. 7. Hypertrophied node, natural size. 
