56 HORTUS GRAMINEUS WOBURNENSIS. 



SYNTHERISMA villosum, ami. villous, nat. Jamaica. Paspalus 



filiformis, R. S. Syst. Veg. i. p. 304. 

 serotinum, ann. late, nat. Carolina, in moist places. Paspalus 



serotinus, R. S. Syst. Veg. i. p. 305. 



CYNODON. Doob-grass. Generic character : calyx of 2 lan- 

 ceolate, acute, spreading, equal valves, shorter than the 

 corolla of 2 compressed very unequal valves ; floret soli- 

 tary ; seed y coated with the hardened corolla. Sm. Engl. 

 Fl. i. p. 39. 



Dactylon, per. creeping Doob-grass, nat. Britain and the 

 East Indies. Sm. Engl. Fl. 95. Panicum dactylon, E. 

 Bot. 

 maritimus,per. sea Doob-grass, nat. S. Amer. Humb. et Bonpl. 



Nov. Gen. et Spec. i. p. 137. 

 radiatus, per. rayed Doob-grass, nat. E. Indies. R. S. Linn. 



Syst. Veg. i. p. 411. 



linearis, per. See Cynodon dactylon. " Nil esse quam famosissi- 

 mam Indorum Durvam." R. S. Linn. Sys. Veg. i. p. 412. 

 Agrostis linearis, Retz, Obs. 

 stellatus, per. starry, nat. Island St. Helena. R. S. Linn. Sys. 



Veg. i. p. 4112. 

 virgatus, per. alternate-spiked, nat. India. R. S. Linn. Sys. 



Veg. i. p. 412. Poa Chinensis. Poa sessilis. 

 pilosus, per. hairy, nat. India. R. S. Linn. Sys. Veg. i. p. 112. 

 pracox. See Syntherisma pr&cox. 

 tenellus, per. small Doob-grass, nat. N. Roll. B. Prodr. i. 



p. 178. 

 poly st achy s, per. branched Doob-grass. R. S. Linn. Sys. Veg. i. 



p. 113. 



CRYPSIS. Crypsis. Generic character : calyx 2-valved, 1- 



flowered, compressed, unequal ; corolla 2-valved, interior 



longer than the calyx, exterior valve shorter than the calyx ; 



seed covered by the corolla, somewhat columnar. 



alopecuroides, ann. foxtail-like crypsis, nat. Germ. August. 



Fl. Germ. i. 167. Host. i. 23. Fl. alopecuroides. 

 phalaroides, ann. triandrus, nat. Caucasus. 

 geniculata, ann. jointed, nat. Mount Olympus. R. S. Linn. Sys. 



Veg. i. p. 376. 



aculeata, ann. diandrus, nat. shores of the Mediterranean. An- 

 tkoxanthum aculeatum, Linn. Suppl. 



