TYPHA 



1877 



TYDiEA. Now included in Isoloma. 



TYPHA (ancient name). Typhacere. Cat-tail. Reed 

 Mace. A genus of about 10 species of marsh plants with 

 creeping rootstoeks and erect, l'ound stems, with long, 

 linear sheathing leaves and monoecious flowers in 

 densely crowded, terminal spikes which are subtended 

 by a fugacious bract. 



The following are hardy aquatic or bog perennial 

 herbs of easy culture in wet soil or in water. They 

 spread rapidly and are likely to become too plentiful 

 unless care is taken to pull such of them tip as are not 

 wished before they become firmly established. Forms 

 intermediate between the following two species some- 

 times occur. 



A. Staminate and pistillate spikes contiguous. 

 latifdlia, Linn. Fig. 2607. Stem stout, 4-8 ft. high: 

 lvs. wider than in the following species, usually 1 in. 

 wide: pistillate spikes becoming about 1 in. in diam. 

 June, July. N. Amer., En., Asia. B.B. 1:02. R.B. 

 20:190. V. 2:197. 



aa. Staminate and pistillate spikes separated. 

 angustiidlia, Linn. Stem more slender than T. lati- 

 folia, 5-10 ft. high: lvs. usually less than % in. wide: 

 spikes usually longer than in T. latifolia and much nar- 

 rower, being about % in. in diam. June, July. N. 

 Amer., especially in the east and also Eu. and Asia. 

 B.B. 1:03. G.M. 32:779. F.W.Barclay. 



2607. Cat-tail — Typha latifolia. 



