MISS E. S. BARTON ON THE GENUS TURBINARIA. 
226 
DESCRIPTION OF THE PLATES. 
Рглте LIV. 
Fig. l. Branch of Turbinaria conoides, Kütz. Nat. size. 
2. T. Murrayana. Entire plant. Nat. size. 
8. T. tricostata. Branch. Nat. size. 
4. Leaf of T. tricostata, var. Webere. Nat. size. 
5. Branch of Т. dentata. Nat. size. 
6. Stem (transverse section) of T. conoides. х 28. 
7. Т. conoides. Cells of central strand. Long. sect. х 188 & 580. 
8 » "e "S Trans. sect. х 580. 
9 
4 D Trans. sect. of petiole. х 28. 
10. ы Diagram of the course of bundles up the wall of the vesicle and 
extending to margin of lamina. x6. 
11. 7. ornata. "Trans. sect. of petiole near the base. х 28. 
12. á © [Р halfway up. x 28. 
PLATE LV. 
Fig. 1. 7. conoides. Meristematic layer lining air-vesicle. x 133. 
2. о Papillate layer lining mature air-vesicle. х 133. l 
3. » Vegetative conceptacle. х 133. 
4 и Young vegetative conceptacle, I. х 580. 
5 % д я П. х580. 
6. уу Mature filaments of vegetative conceptacle. х 580. 
7. T. ornata. Long. sect. of receptacle. х 28. 
8. T. conoides. Apex of receptacle. Long. sect. а & b. х 580. 
9 м % " Trans. sect. x 580. 
10. » Antheridia. a-nuclei. х 580. 
