BOOK III. 
ABBREVIATIONS. 
505 
p. The embryo, 
p 1. Cotyledon. 
p 2. Plumula. 
p 3. Radicle. 
q. A leaf. 
q 1. The petiole, 
q 2. A stipula. 
r. Portion of the stem or scape. 
s. Inflorescence ; comprehending all the species except the 
two following, s 1. and 2. 
si. A compound flower. 
s 2. The locusta of a Grass (either one-flowered or many- 
flowered.) 
t. The involucrum of an umbel, or a head. 
t 1. The involucrum of a compound flower. (Calyx com- 
munis of Linnaeus.) 
t 2. Glume of Grasses. (Calyx of Linnaeus.) 
t 3. Outer calyx of Malvaceae, Dipsaceae, Brunoniaceae. 
t 4. Involucrum of Ferns. (Indusium of Swartz.) 
t 5. Bracteae. 
t 6. Scales of a catkin, 
t 7. Paleae. 
t 8. The paraphyses of Mosses, 
t 9. The calyptra when formed of connate bracteae. 
u. Receptacle of a single flower. 
u 1. Common receptacle either of a compound flower, a 
catkin, or a head. 
* Placed under one of the above (thus shows that a 
part is expanded, or opened, by force. 
Indicates a vertical section (used thus, tf'^)* 
•.* Indicates a transverse section (used thus, *.)). 
