460 



POACEiE. 



A small genus of 2 species or well-marked varieties, nearly 

 allied to Arundo and only separated from it by having the lowest 

 flower male or abortive. 



It extends over the trojaical and temperate and some of the colder 

 regions of both hemispheres, growing in wet places with rootstocks 

 often 40 cm. below the surface of tlie soil. The culms are 1-6 m. 

 high; the blades firm, broad and flat. 



1. P. Phragmites (L.) Karst. Deutscli. Fl. 370 (1880-83). 

 Reed-geass. Arundo Pit rafjmiteslj. Sp. PI. 81 (1753). P. al- 



FiG. 92. — Phragmites Phrngmites. A, spikelet ; a, floret. (Scribner.) 

 tissimus Mabille, Rech. PL Corse, fasc. 2:39 (1807-9). P. arun- 

 dinacea Allam. Munro. Journ. Linn. Soc. 6:49 (1802). P. aus- 

 tralis Trin. Steud. Nom. Ed. 2, 2:324 (1841). P. Berlandieri 

 Fourn. Bull. Soc. Bot. Fr. 24: 178 (1877). P. capensis Nees, FL 

 Afr. Austr. 356 (1841). P. cliilensis Steud. Nom. E(L 2, 2:324 

 (1841). P. chrysantlius Mabille, Kech. PL Corse, fasc. 2:37 

 (1867-9). P. congeda Lowe, Trans. Camb. Phil. Soc. 6: part 3, 

 529 (1838). P. explanahis Trin. Steud. Nom. Ed. 2, 2 : 324 (1841). 

 P. flavescens Hegetschw. FL Schw. 08 (1840). P.giganteaJ. Gay. 

 F. Schultz, Arch. FL Fr. et Allem. 200 (1848). P. grceca Steud. 

 Nom. Ed. 2. 2:324 (1841). P. hispnnica Nees, Nov. Act. Nat. 

 Cur. 19:Siip])L 1. 152 (1843). P. humilis l)e Not. Cat. Ilort. 

 Genuen. 27 (1840). P. isiaca Pieichb. Fl. Germ. Excurs. lAQb 

 (1832). P. japonka Steud. Syu. PL Gram. 190 (1855). P. Karka 

 Trin. Steud. Nom. Ed. 2. 2 : 324 (1841). P. laxiflora Steud. Syn. 



