18 FLORA OF TASMANIA. 
Hypogynous scales or bristles 4 or more. 
Spikelets terminal, solitary .. .- .- .. .. e.e. .. eee eS Bleocharis, p. 85. 
Spikelets lateral, faseicled .. . i a dal Diui une in Weini qio 80. 
Hypogynous scales 0.. Scales of SCH EE s e E ET 
Hypogynous scales 0. Scales trifid or lobed . . . . . . 2 . . . . Chorizandra, p. 83. 
C. Flower solitary. (No spikelet) . . . . Oreobolus, p. 93. 
D. Spikelet of several scales, imbricating al SS but with SS 1- 3 Ga 
Hypogynous scales 6, minute, coriaceous . . je er ann). ... epidosperma, po 90. 
Hypogyasuédcales, lorie pamo A esis. Carpha, p. 84. 
Hypogynous scales 0. 
Filaments not elongated after flowering. Culms simple. ... . . . . Cladium, p. 94. 
Filaments not elongated after flowering. Culms branched ... . . . . Caustis, p. 98. 
Filaments 3-6, elongated and persistent. . . . . . ... . . . . Gahnia, p. 97. 
II. Nut enclosed in a flagon-shaped utriculus. : 
Utriculus with an exserted hooked bristle. - . 2.2... 2 2 2 2 2. Uneinia, p. 102. 
Utriculus without an exserted hooked bristle. . . . . . . . 2 d Carex, p. 98. 
XVI. GRAMINEA. 
I. Glumes 2, containing 1 flower. 
Spikelets in a dense soft eylindrie spike nn EN UE d - + . . Alopecurus, p. 109. 
Spikelets in a dense head bristling with awns . . . . . . . . . . . Echinopogon, p. 111. 
Spikelets panicled. 
Flowers stipitate, with one long rigid twisted terminal awn, jointed at the base . Sfipa, p. 109. 
Flowers shortly stipitate, with one long awn from below the apex of the as . Dichelachne, p. 111. 
Flowers stipitate, with 5 awns . . : . . Pentapogon, p. 112. 
Flowers sessile, with no awn, or a das one. AR uil bend £o n Us NONIS, p. 118: 
Flowers sessile, with no awn, or a dorsal one. ' Glumesawned . . . . Polypogon, p. 117. 
II. Glumes 2. Containing 2 or more flowers. All paleze ce or upper amy 
Spikelets alternate, spiked . . DS << Triticum, p. 128. 
Spikelets in a dense eylindrie diae ion e cce y eov O C MENS, TEE 
Spikelets panicled. 
Flowers 3-6, silky, remote, lowest “NW o SEU IB rus Phragmitis, p. 118. 
Flowers 3, 2 lateral 9 , intermediate Co. er are Hierochloe, p. 107. 
Flowers all (or always lower) hermaphrodite. 
Flowers 2-3, glabrous, shining. Lower palea awned above the base. . . -~ Deschampsia, p. 118. 
Flowers 2-3, puberulous. Lower palea bifid, with a twisted awn at the back . Trisetum, p. 119. 
Flowers 2-8. Lower palea (often with pencils of SC deeply bifid with a flattened 
(at base) twisted awn . . . Danthonia, p. 120. 
Flowers numerous, awnless. Cicas and palo blant. Bale 1 or 26 connate Glyceria, p. 122. 
"Flowers 2-8, awnless. Glumes and paleæ blunt. Squamule 2 . . . . . Poa, p. 123. 
Flowers 2-8. Glumes and paleze acute, lower often awned at apex . . . . Festuca, p. 126. 
ILI. Glumes 2, 1-2-flowered. Lower paleze empty. 
A. Spikelets panicled. Flowers sessile. Glumes 2, large, 1-flowered. Stamens 4. Zetrarrhena, p. 103. 
Flowers sessile. Glumes 2, small. Stamens4 . eror toe ors Microlena, p. 104. 
Flowers stipitate. Glumes 2, small. EE a Rus Diplax, p. 105. 
B. Spikelets sessile on a simple, slender-jointed rachis . . - + Hemarthria, p. 107. 
C. Spikelets collected into large globose spiny heads. (Rigid geen - Spinifex, p. 106. 
D. Spikelets in panicled fascicles with very — stout awns. (Kangaroo-grass) . . Anthistiria, p. 106. 
