DESCRIPTION OF THE PLATES. 265 
PLATE XXIL PETALONYX THURBERI. 一 Page 67. 
UPPER PART OF THE PLANT OF THE NATURAL SIZE. 
Fig. 1. Hairs of the leaves and stem; highly magnified. Fig. 2. An expanded flower, with 
its bract and bracteoles; considerably magnified. Fig. 3. The same, with the petals and 
stamens removed; more magnified. Fig. 4. A petal; equally magnified. Fig. 5. Part of a 
stamen. Fig. 6. Longitadinal section of the ovary. Fig. 7. The fruit. Fig. 8. Longitudinal 
section of the same; the last four figures considerably magnified. 
PLATE XXIII. RIBES MENZIESII.—Page 68. 
A BRANCH OF THE NATURAL SIZE. 
Fig. 1. A flower, with the calyx and corolla longitudinally divided; enlarged. Fig. 2. Limb 
of a petal; considerably magnified. Fig. 3. A stamen; the lower part of the filament cut off; 
equally magnified. Fig. 4. Transverse section of the ovary; enlarged. Fig. 5. An ovule 
detached; magnified. 
PLATE XXIV. ECHEVERIA LANCEOLATA.—Page 69. 
A PLANT OF THE NATURAL SIZE, (WITHOUT THE ROOT. ) 
Fig. 1. A flower; enlarged. Fig. 2. A portion of the flower laid open; more enlarged. 
Fig. 3. The pistils; magnified. Fig. 4. One of the pistils, considerably magnified and divided 
longitudinally. Fig. 5. Transverse section of the same. Fig. 6. A detached ovule highly 
magnified. Fig. T. A ripe carpel; magnified. | 
PLATE XXV. SAXIFRAGA PARRYI.—Page 69. 
AN ENTIRE PLANT OF THE NATURAL SIZE. 
Fig. 1. A flower; enlarged. Fig. 2. Inside view of a portion of a flower; more enlarged. 
Fig. 3. A petal and stamen, showing their insertion on the calyx; still more enlarged. Fig. 4. 
The ovary; considerably magnified. Fig. 5. Transverse section of the ovary; more magnified. 
Fig. 6. Fructiferous calyx; enlarged. Fig. 7. A seed; pretty highly magnified. Fig. 8. The 
same longitudinally divided. Fig. 9. A transverse section of the same. Fig. 10. The embryo 
. . detached and more highly magnified. 
PLATE XXVI. DEWEYA ARGUTA.— Page 70. 
UPPER PART OF THE PLANT OF THE NATURAL SIZF. 
Fig. 1. Fruit, moderately enlarged. Fig. 2. Upper portion of the same, considerably 
magnified. Fig. 3. Transverse section of the same, and the position of the petals indicated. 
PLATE XXVII. EURYPTERA LUCIDA.—Page 70. 
ENTIRE PLANT OF THE NATURAL SIZE. 
Fig. 1. A flower; enlarged. Fig. 2. A petal; more enlarged. Fig. 3. The fruit; enlarged. 
Fig. 4. Transverse section of the same; considerably magnified. Fig. 5. Longitudinal section | 
34k 
