168 



.-)7. (iRA.MINK.K. 



3. P. canariensis, L. < '(innrii-(jmss. Annual, 

 Avith sheath of uppermost leaf much swollen ; panicle short, 

 ovoid; winji; of the outer glumes broad and obliquely trun- 

 cate at top; flowering glume and palea villous; 2 subequal 

 scales at the base of and half as long as the flower. 



Sandy places ; rare. — Sept. -Nov. — ^Eediterranean re- 

 gion ; said to have originated in the Canary Islands. The 

 grain is used as bird-seed. 



4. P. paradoxa, L. Glabrous annual ; uppermost 

 leaf much SAVollen and embracing the tapering base of the 

 large, obovoid-oblong panicle; outer glumes terminating in 

 an awn, the wing prolonged into a point ; flowering glume 

 almost glabrous, with 2 very .small, almost equal scales at 

 base. 



Kingscote, Kangaroo Island.-- Nov. - Dec. — Mediter- 

 ranean region. 



13. Ammophila, Host. 



(Greek amnios, sand, phiJos, 



loving.) 

 1. Amtnophila arun- 



dinacea, Host. Manam- 

 gniss. Coarse, almost glabrous 

 perennial, with hard creeping 

 rootstock and stiff, tall, erect 

 stems; leaves long, narrow, rolled 

 inwards so as to appear awl- 

 shaped; ligule long, bifid: pan- 

 icle cylindrical, dense, straw- 

 coloured. 10-2o cm. (4-10 in.) 

 long; spikelets compressed, 12-13 

 mm. (i in.) long; 2 outer glumes 

 nearly equal, acute, keeled, a 

 little longer than the flower, 

 which has a ring of long haiis at 

 base; flowering glume stiff, /)- 

 nerved, 3-toothed at top. I'sdiniixi 

 arenaria, R. & S. 



Planted along the sea-coast to 

 fix drifting sand. — Sept. -Dec. - 

 Coastsof Europe and N. America. 



14. Sorghum, Pers. 

 1. Sorgrhum halepense, Pers. Johiisnn-iirdsx. 

 Tall, glabrous perennial, witb a stolon-bearing rootstock; 

 stems stout, erect, downy at the nodes; leaves flat, with a 

 tliick white midrib: ligule .short, ciliate; panicle long, loose, 

 pyramidal in shape, axis and branches rough downwards; 

 spikelets compressed dorsally, in 2's or 3'.s. 1 sessile, oblong, 

 with a bisexual flower^ the other or 2 others pedicellate, 

 lanceolate, purpli.sh, with a male flower; empty glumes 3, 

 the 2 outei- e(|iial. downy, stiff, shining, the 3rd .smaller, 



^Ammophila arundinacea. 



