oOo ` kel 
Noc 
Figs. 8 
Fig. 
M E Së Të ki 
Fig. 
or ob OF to — 
9. 
Fig. 1. 
2. 
Fig. 10. 
11. 
12. 
13. 
14. 
s 
4. Calyx, dorsal view, x 5. 
5. 
6. 
SECOND SERIES.—BOTANY, VOL. VI. 
MOUNT RORAIMA IN BRITISH GUIANA. 105 
PLATE 7, 
Heterothalamus densus. (Figs. 1 to 7.) 
. Branch of a male plant, natural size. 
. Branch of a female plant, natural size. 
. Involuere of a male head of flowers, x 5. 
. Involuere of a female head of flowers, x 5. 
Male floret, x 5. 
. Bract from the receptacle of a female head, x 5. 
. Female floret, x 5. 
Quelchia conferta. (Figs. 8 to 14.) 
& 9. Two branches, showing variation in the length of the peduncles, natural size. 
A flower-head, x 4. 
A flower-head, longitudinal section, x 4. 
Corolla laid open, with four stamens removed, x 4. 
Anthers, dorsal view, with three filaments eut off, x 4. 
Fruit, x 2 
PLATE 8. 
Stiftia Connellii. 
. Branch, natural size. 
. Bract from the receptacle, x 2. 
Floret, with part of the pappus removed, x 2. 
Stamens, x 2. 
. Apex of style, x 2. 
PLATE 9, 
Bonyunia minor. (Figs. 1 to 5.) 
. Branch, with flowers and fruit, natural size. 
. Branchlet of an inflorescence, x 4. 
. Part of a corolla laid open, x 4. 
. Longitudinal section of a flower, with the corolla removed, x 4. 
. Transverse section of an ovary, x 12. 
Lisianthus Quelchii. (Figs. 6 to 9.) 
Figs. 6& 7. Portions of different plants, natural size. 
Fig. 8. Flower with two sepals and the corolla dicii natural size after prr 
Corolla laid open, natural size. 
Utricularia Connellii. (Figs. 1 to 6.) 
Three entire plants, natural size. 
Part of inflorescence, showing bract and bracteoles, x 5. 
Flower, x 2. 
Stamens, X 5. : 
Pistil, x 10. P 
