TERMS.] 



ABBREVIATIONS. 



389 



n 4. An operculum. 



n 5. The peristomum of Mosses. 



n 6. The placenta. (Receptacle of 



the seeds of Geertner.) 

 n 7. Funiculus umbilicalis. 

 n 8. The strophiola, or Caruncula 



umbilicalis. 

 n 9. Arillus. 

 o. The seed, 

 o 1. Wing of the seed, 

 o 2. Coma of the seed ; in Asclepia- 



dacege and Epilobium. 

 o 3. Integument of the seed, 

 o 4. Albumen. (Perisperm of Jus- 



sieu ; Endosperm of Richard.) 

 o 5. Vitellus ; in Zingiberacese and 



Nymphsea. 

 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 



or many- 



one-flowered 



flowered.) 

 t. The involucrum of an umbel, or 



a head, 

 t 1. The involucrum of a compound 



flower. (Calyx communis of 



Linnaeus.) 

 t 2. Glume of Grasses. (Calyx of 



Linneeus.) 

 t 3. Outer calyx of Malvaceae, Dip- 



sacese, Brunoniacese. 

 t 4. Involucrum of Ferns. (Indu- 



sium of Swartz.) 

 1 5. Bracteee. 

 t 6. Scales of a catkin, 

 t 7. Palesa. 



t 8. The paraphyses of Mosses, 

 t 9. The calyptra when formed of 



connate bractese. 



u. Receptacle of a single flower, 

 u 1 . Common receptacle either of a 1 



compound flower, a catkin, or 



a head. 

 Placed under one of the above 



(thus t^4), shows that a part is 



expanded, or opened, by force. 

 t Indicates a vertical section (used 



thus, t 4 ). 

 Indicates a transverse section 



(used thus, t... 4 ). 



