amare mea. gag EN بعد‎ 
EXPLANATION OF THE PRATES. 165 
Prate XI. APHANTOCHETA EXILIS. 一 PAGE 100. 
A PLANT OF THE NATURAL SIZE. 
Fig. 1. A head of flowers, moderately enl 
Fig. 
“er? ہد کی‎ Pe 
2. 
۳۳ م۳‎ cues 
SEPSA 
arged. 
Involucre and receptacle, from which the flowers have fallen, more enlarged. 
nd 4. Scales of the involucre, equally magnified. 
A psa rdum 
A perfect flow 
A assi Metro agnified, 
Summit of the style dà a pistillate flower, equally magnified. 
ed. 
. Style of a perfect flower, equally magnifi 
> rged. 
henium, enla 
PrATE XI. EVAX CAULESCENS.—Pacy 101. 
A plant of the natural size 
A head of flowers ; verdad. section, enlarged. 
Involucre and receptacle ; more enlarged. 
Inside view of one of the pales from the summit of the receptacle. 
One of the men inde the female flowers. 
A female flow 
An achenium ; ved details all magnified. 
Pirate XII. LINOSYRIS BIGELOVII.—Paag 98. 
A BRANCH OF THE NATURAL SIZE. 
A SEN : Dec ac 
A stam magnifi 
The ES more nad 
An achenium, with its pappus ; enlarged. 
Receptacle ; enlarged. 
PraATE XIII. STYLOCLINE GRAPHALOIDES.—Pace 101. 
A PLANT OF THE NATURAL SIZE. 
Involucre and receptacle 
Receptacle, with a male flower on its summit, and its subtending palea. - 
A stamen 
One of in fertile flowers enclosed in its large palea. 
Dorsal view of a fertile palea. 
Vertical view of the same. 
Transverse section of the same ; to show the way in which the achenium is enclosed in a dorsal fold of the palea. 
A مد‎ flower. 
An achenium ; the details variously magnified. 
Prae XIV. QUERCUS ECHINACEA.—Pace 137. 
A BRANCH OF THE NATURAL SIZE. 
A leaf without serratur 
2. An acorn ; both figures T. the natural size. 
Dag XV. SYNTRICHOPAPPUS FREMONTII.—Pace 106. 
AN ENTIRE PLANT OF THE NATURAL SIZE. 
Invoiucre and receptacle. 
A ray flower. 
A disk flower. 
A separate stamen. 
Style and its branches. 
Portion of the syntrichous pappus 
of the leaves of the same ; hich! y magnified. 
