Fig. 
EXPLANATION OF THE PLATES, 
Puate XXI. DAMASONIUM CALIFORNICUM.—Pace 142, 
AN ENTIRE PLANT OF THE NATURAL SIZE. 
. 1. Plan of the flower 
2. A flower; somewhat magnified. 
. One of the sepals ; also magnified. 
. An anther; more magnifi 
: A cae laid open to show the position of the oyule. 
6. A ripe achenium ; sere magni 
Ze Seed ; aii snore magnified, 
Prate XXII. SCOLIOPUS BIGELOVII.—Pace 145. 
A PLANT OF THE NATURAL SIZE, 
. 1. A separate flower. 
2. A sepal, with a stamen, seen anteriorly. 
3. A petal. 
4, Anther, with part of the filament, posterior view. 
5. Pistil, with the ovary divided transversely ; a petal and a stamen. 
6. Portion of the ovary divided transversely and vertically, 
7. Anovule. The details, except figure 1, more or less magnified. 
Prarr XXIM. STROPHOLIRION CALIFORNICUM.—Pace 149. 
AN ENTIRE PLANT OF THE NATURAL SIZE, 
- 1. The perianth laid open ; moderately enlarged, 
arged. 
2. ia pistil ; more en 
: pe pod, showing the dehisce 
4. pas of the carpels si the same, ‘ell open and showing the seed. 
5. Transverse section of a pod. 
6. A seed; vosaldaraby ease 
7 and 8 should be erase 
Pratr XXIV. ODONTOSTOMUM HARTWEGII.—Pace 150. 
AN ENTIRE PLANT (EXCLUSIVE OF THE ROOF) OF THE NATURAL Size. 
1. The unopened perianth ; magnified. 
2. a laid open ; equally magnified. 
3. A stamen ; more magnified. 
4. Part of the ovary ; longitudinally divided and magnified, 
5. ovule; — —— ed. 
6 n ovary, 
7. Immature fruit. 
Prate XXV. *SCORALLORHIZA STRIATA.—Pace 152. 
_A PLANT OF THE NATURAL SIZE, IN FLOWER AND FRUIT. 
. A flower ; .. a 
2. Lip of the 
3. The eae: a ally ee 
[167] 111 
* Incorrectly named C. Maerzi on the plate, 
