THE TASMANIAN FLORA. 2H1 



14. ANTHOXANTHUM. 



Spikelets 1 -flowered. Glumes 5; outer one thin, about 1^ line long; second, 

 rigid, .3-4 lines long ; next pair very short, equal, each with a filiform dorsal 

 awn ; flowering glume still smaller, very obtuse. Pale present. Stamens 2. 

 Inflorescence ovate, rather compact. 



A. onORATUM, Ldnn. Perennial, 1-2 feet high. Leaves rather short, flat. 

 Inflorescence 1-2 inches long. 

 Introduced. Very common. 



15. HIEROCHLOE. 



Spikelet 3-flowered, the upper one perfect, the two lower ones . male, all 

 apparently on the same level. Glumes 6 ; outer pair rather unequal, empty ; 

 next two each containing a male flower, ■5th glume enclosing the 6th or flowing- 

 glume. Inflorescence a loose spreading panicle. Scented with coum.arin. 



Widely distributed in cool situations in both Hemispheres. 



Outer glumes 2|^-3 lines long, as long as the spikelet 1. S. redolens. 

 Outer glumes 1^ line long, nearly as long as the 



spikelet ... ... ... ... ... 2. H.fraseri. 



Outer glumes about 1 line long, much shorter than 



the spikelet ... ... ... ... ... ... 3. S. rariflora. 



1. H. EEDOLENS, R. Br. A tufted perennial. Stems about 3 feet high. 

 Leaves long, broad, flat. Panicle about 1 foot long, spreading, but the spikelets 

 rather clustered. Outer glumes thin, shining, 2^-3 lines long ; 3rd and 4th 

 keeled, ciliated, and bearing a very short awn ; 5th and 6th rather obtuse and 

 generally hairless. H. antarctica, R.Br. 



Very common, especially in damp places on hills ; also in Victoria, New South 

 Wales, and New Zealand. Widely distributed in southern temperate countries. 



2. H. FEASBRi, Hook. A tufted perennial, similar to H. redolens in habit and 

 inflorescence, but smallei'. Stems about 1 foot high. Inflorescence rather 

 compact. Spikelets about 1^-2 lines long. Outer glumes purple, with a scarious 

 tip ; inner glumes exceeding them, the 3rd and 4th slightly ciliated, and bearing 

 a short, fine, dorsal awn. JS.borealis, in Hook. " El. Tas." ; H.jilpina, F. v. M. 



Common on mountain-tops. 



3. H. RARIFLORA, Hook. A tall, slender, branching perennial, often 2-3 feet 

 high. Leaves flat, tapering- to a point. Inflorescence usually long- and very 

 loose. Spikelets about li line long. Outer glumes ixnequal, very much shorter 

 than the flowering- glumes, which are nearly glabrous, obtuse, and unawned. 



Widely distributed in the northern part of the Island; also in New South 

 Wales and Victoria. 



16. STIPA. 



Spikelets 1 -flowered. Glumes 3, outer pair persistent and longer than the 

 flowering glume. Flowering glume rigid and rolled round''the flower, bearing at 

 its apex a long, filiform, twisted awn, and typically without terminal lateral 

 lobes. Pale narrow, enclosed in the glume. Inflorescence a very loose to 

 rather dense panicle. 



Wide distribution, excepting America. 



Flowering glumes with minute membranous lobes 

 by the side of the awn. 



Leaves cylindrical, rigid, acute ... ... ... 1. 8. teretifolia. 



Leaves flat or with involute margins ... . • ■ 2. S.Jlavescens. 



Flowering glumes without terminal lateral lobes. 



Flowering glume under 3 lines long ... ... 3. S. aetacea. 



