DESCRIPTION OF THE PLATES, 269 
Fig. 6. Transverse section of the same; more enlarged. Fig. 7. The embryo detached. Fig. 
8. Side view of the same. 
PLATE XLVII. А. SELINOCARPUS ANGUSTIFOLIUS.—Page 170. 
AN ENTIRE PLANT OF THE NATURAL SIZE. 
Fig. 1. The perianth laid open; enlarged. Fig. 2. The fruit; also enlarged. Fig. 3. Lon- 
gitudinal section of the same. Fig. 4. Transverse section of the same; more enlarged. Fig. 
5. The embryo detached; equally magnified. Fig. 6. Side view of the same. 
PLATE XLVII. B. PENTACROPHYS WRIGHTII.—Page 170. 
A PORTION OF THE PLANT OF THE NATURAL SIZE. 
Fig. 1. A transversely divided fruit from a precociously fructified unexpanded flower; 
enlarged. Fig. 2. A fruit from an expanded flower; equally enlarged. Fig. 3. The same; of 
the natural size. 
PLATE XLVIII. MIRABILIS CALIFORNICA.—Page. 169. 
UPPER PART OF THE PLANT OF THE NATURAL SIZE. 
Fig. 1. A flower, with its involucre; enlarged. Fig. 2. The same, laid open. Fig. 3..A 
fruit, about four times the natural size. 
PLATE XLIX. SIMMONDSIA CALIFORNICA.—Page 202. 
А. A FLOWERING BRANCH OF THE MALE PLANT. В. A BRANCH OF THE FEMALE PLANT. 
Fig. 1. A male flower; enlarged. Fig. 3. The same, with the stamens removed. Fig. 2. 
An anther; more enlarged. Fig. 4. The ovary; magnified and longitudinally divided. Fig. 
5. An ovule, more highly magnified. Fig. 6. Longitudinal section of the same. Fig. 7. A 
seed, somewhat enlarged. Fig. 8. Longitudinal section of the same. Fig. 9. Transverse 
section of the same. | 
PLATE L. CELTIS PALLIDA.'—Page 203. 
A. A FLOWERING BRANCH OF THE NATURAL SIZE. В. A FRUCTIFEROUS BRANCH. 
Fig. 1. Plan of the flower. Fig. 2. An expanded sterile flower; magnified. Fig. 3. A 
stamen from the same. Fig. 4. A cluster of flowers, the terminal perfect; magnified. Fig. 5. 
Pistil, with the ovary longitudinally divided. Fig. 6. A droop, with the upper half of the 
вагсосогр cut away; enlarged. Fig. 7. Transverse section of a seed. Fig. 8. The embryo 
detached. 
PLATE LI. QUERCUS ACUTIDENS.— Page 207. 
A BRANCH WITH FRUIT; OF THE NATURAL SIZE. 
PLATE ШІ. PILOSTYLES THURBERI.—Page —. 
THE PLANTS, CONSISTING OF SINGLE FLOWERS, PARASITIC ON DALEA SCHOTTII. 
Fig. 1. Magnified longitudinal section of a branch of the Dalea, showing the mode of attach- 
ment of the parasite. Fig. 2. А fertile flower; magnified. Fig. 3. Transverse section of the 
ms 2 Named C. cinerea on the plate. 
