102 



TRIANDRIA DIGYNIA 



cinis naviciilaribus, ser- 1 the calyx boat-shaped, 

 rulatis ; corolla quadri- j serrulate ; corolla 4 vah'- 



ed, exterior valves linear, 

 interior unequal, all hairy. 



.valvi, valvulis exteriori- 

 bus linearibus,interioribus 

 insequalibus, omnibus pi- 



losis. 



E. 



P. arundinacea. Mich. 1. p. 43. Mulil. Cat. p. 8. 



Root annual ? Sfi^m erect, a little geniculate at base, coluwcar, 

 branching, slightly scabrous near the summit. Leaves linear-lanceo- 

 late, slightly keeled, glabrous; sheath Often, much shorter than the 

 joints; stipule membranous. Ta/^o', valves compressed, very acutCj 

 the keel serrulate and a little winged near the summit; the exterior 

 valve a little shorter than the interior. Corolla^ the 2 accessorj 

 valves minute, glandular at base; of the 2 interior valves, the exterior 

 is ovate, acuminate, slightly compressed, half as long as the caljx? 

 but twice as long as the interior. JV'ectaries 2 scales ? ovate -lanceo- 

 late, acute, longer than the germ. Filaments 3. Jhithers dark pur- 

 ple. Style 1 ? cleft almost to the base. Stigmas feathered, white. 

 Heed oblong. 



This plant appears to be worth cultivating as a spring grass. 

 Grows in river swamps, in situations not frequently inundated. 

 Ogechce. Pon Pou. I have seen it on James Island in a dry soil. 

 Flowers April. American Phalaris* 



AULAXANTHUS. 



E. 



Flores paniculati 



Ca 



Corolla 

 qua lis. 

 1. C 



v^alvis, 



qualibus 

 2-valvit 



floi 



3 



subsc 



E 



A. culmo erecto ; foliis 



linearibus, ciliatis 



cula gracili, strict 



pani 

 E. 



Flowers in pam 



icles. 



Calyx 2 valyed 



ered 



al 



e 



qual 



5 



rowed. Corolla 2 ^ 



m 



ed, valves nearly equ 



flow, 

 fur. 



aiv' 



Stem erect 



ciliate ; panicle slen 



der, appressed 



Phalaris villosa ? Mich. 1 . p. 43. 



Root fibrous, perennial ? 



Stem^ 2 feet high, glabrous, near the roo^ 



somewhat compressed, above columnar, naked, imws lineaj,^" 

 channelled, glabrous, ciliate ; sheath contracted and ciliate, with v^' J 



«hort liair at the throat ; lower leaves 6^8 inches \om, tlie upP*' 



LJI"'? 



