1 



il4r TRIANDRIA DIGTNIA. 



f-J 



cclUs setaceis flore multo | lucels with bristles much 

 longioribus ; racJii tomen- I longer than the flower; 

 tosa. Sp.pl. 1. p. 336. rachis tomentose. 



Walt. p. 72. 





Root perennial. SHem 2 — 10 feet high, erect, a little compressed* 

 Leaves nearly 3 feet long, 1^ inches wide, channelled, scabrous; 

 sheaths as long as tlie joints, scabrous without, glabrous within, the 

 throat and margins near the throat, ciliate. Spikekts many flowered, 

 at the base of the spike a little remote, towards the summit crowded. 

 ^wns 4 — 6 times as long as the flower, 2, 3, or more, at the base of 

 each floret, perhaps one only for each bud. Jtachis angled, very vil- 

 lous, not tomentose. Calyx 2 flowered, hermaphrodite and male, 

 nearly as in P. glaucum. Corolla smooth ; of the maU flower, 

 one valved, membranous, as long as those of the hermaphro« 

 dite flower; the margins inflexed, the angles nerved and ciliate. Fil" 

 avients 3. Anthers pale yellow. Stigma feathered, purple ? Seed 

 very smooth. 



Grows in ponds and wet soils. 



Flowers Au^just — September, Zar«;e-spi]fed Pankuwt 



6. Crcs Galm. 



P. spicis alternis, con- I Spikes alternate and by 

 jugatisque ; spiculis sub- j pairs ; spikelets subdi. 

 divisis ; glumis aristatis, [ vided ; glumes awned, 

 liispidis; raclii qiiinquan- | hispid j rachis five angled, 

 gulavi. Sp.pl. i.p. 337. I 



Mich, 



] 



P. hirtellum, Walt, p 72. 



Stem erect, 2— -4 

 6—10 lines wid: 



Root annual. 



Ieai'e9 



acute y serrulate. Flowers crowded on spikes which form a teriniBal 

 pamcle. Rachis very scabrous, hairy. Caly.v 2 flowered, hermaph- 

 rodite, and neuter; accessory valve very small, terminated by a short 

 awn ; exterior valve lanceolate, concave, with an awn 5 times its ovvn 

 length ; interior lanceolate, flat, with an awn 10 times its own length? 

 Tulves nerved, and hispid. Carolla slightly pubescent ; valve of tlie 

 neutral floret small, lanceolate, membr?nous. Filaments 3. Mi^'^ 

 sallron foloured. Stisrmns fpa+hor-d ™ 



rple. Seed smooth. 



Of this species we possess three remarkable varieties. j 



1. mutrcuni, valves of tlie calyx without awns, only acuminate anC 

 hispid. Rachis scabrous, not iiairy. 



2. aristatum, as described above. Awns sometimes shorter 



3. hispidum. (P 



the sheath off* 



leaves very hispid, the bristles glandular akd jointed. Awns fib^^^ 



than 



\ 





