igoi] Holm — Canadian Spicies of Gentiana. 183 



EXPLANATION OF PLATES. 

 Plate XL 



Fig. 1. — Gentiana Macounii, natural size. 



Figf. 2. —Same, a small specimen, natural size. 



Figf. A. — Calyx of same, laid open. 



Fig. B. — Part of the corolla of same, laid open and showing the ciliate 



stamens and 2 nectaries at the base of the corolla-lobes. 

 Fig. C. — Pistil of same. 



Fig. D. — Calyx of G. serrata Gunn., laid open. 



Fig. E. — Part of the corolla of same, showing the slender filaments. 

 Fig. F. — Pistil of same. 



Plate XIL 



Fig. 3. — Gentiana procera, showing the habit, much reduced in size. 



Fig. 4. — Same, the base of the stem and the roots, natural size. 



Fig. 5. — Same, the flower, natural size. * 



Fig. G. —Calyx of same, laid open. 



Fig. H. — Part of the corolla of same. 



Fig. L- -Pistil of same. 

 Plate Xin. 



Fig. 6. — Gentiana nesophila, natural size. 



Fig. K. — Calyx of same, laid open. 



Fig. L. — Part of the corolla of same. 



Fig. M, — Pistil of same. 



Plate XIV. 



Fig. 7. — Gentiana elegans, the base of the stem with leaves and roots, 



natural size. 

 Fig. 8. — ^Flowcr of same, natural size. 

 Fig. N. — Part of the corolla of same. 



Fig. O. — Part of the corolla of same, taken from a bud. 

 Fig. P. — Pistil of same. 

 Fig. Q. — Style and stigma of same. 



