RUSHES. 435 



Juncus canadensis J. Gay; La Harpe, Monogr. June. 134. 1825. CANADA RUSH. 



Juncus canadensis longicaudatus Engelm. Trans. St. Louis Acad. 2 : 474. 1868. 



Allegheuiaii and Carolinian areas. New Brunswick, Ontario; New England west 

 to Minnesota, south to Ohio, eastern Tennessee, and Arkansas. 



ALABAMA: Mountain region. Metaraorphic hills. Lee County, Auburn (F. S. 

 Earle). October; infrequent. 



TyP e locality : " Hab. in Canada." 



Herb. Geol. Surv. Herb. Mohr. 



Juncus trigonocarpus Steud. Syn. PI. Gyp. 308. 1855. 



TRIANGULAR-FRUITED RUSH. 



Jnncus catidatKS Chap. Fl. 495. 1860. 



Louisianian area. Florida to Mississippi. 



ALABAMA: Lower Pine region. Pine-barren bogs. Escambia County, Wallace. 

 Washington County, Yellowpine. Mobile County, Grandbay. September, October; 

 not infrequent. 



Type locality : " Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Juncus elliottii Chap. Fl. 494. 1860. ELLIOTT'S RUSH. 



Juncus aouminatu8 Ell. Sk. 1 : 409. 1817. Not Michx. 



Louisianian area. Coast of North Carolina to Florida and eastern Texas. 



ALABAMA: Lower Pine region. Coast plain. Damp pine barrens, springy places, 

 ditches. Washington County, Yellowpine. Mobile County. Most common in the 

 coast plain. April, May. 



Type locality: " Bogs and ditches, Florida to North Carolina." 



Herb. Geol. Surv. Herb. Mohr. 



Juncus elliottii polyanthemus var. nov. ELLIOTT'S MANY-FLOWERED RUSH. 



Mr. Coville first pointed out this remarkable form as a possible variety of J. elli- 

 ottii, from which it is at once distinguished by the robust habit of growth and the 

 large inflorescence, resembling in this respect J. robtistus. Stem 2 to 21 feet high; 

 leaves from 10 to 15 inches long, flat, long-acuminate; branches of the lateral and 

 terminal panicle erect, spreading, having the very numerous (100 to 200) 4 to 6 flow- 

 ered heads on very short or longer branchlets, by intergrading forms insensibly pass- 

 ing into the type. 



Louisianian area. 



ALABAMA: Coast plain. Low pine barrens, border ditches and swamps. Baldwin 

 County, Point Clear. Mobile County, with the type. Frequent. 



Type locality : Mobile. 



Herb. Geol. Surv. Herb. Mohr. 



Juncus acuminatus Michx. Fl. Bor. Am. 1 : 192. SHARP-FRUITED RUSH. 



Gray, Man. ed. 6, 544. Chap. Fl. 494. Coulter, Contr. Nat. Herb. 2 : 449. 



MEXICO. 



Alleghenian, Carolinian, and Louisianian areas. Ontario; New England (Mount 

 Desert Island) to Tennessee and Arkansas. 



ALABAMA: Central Pine belt. Mountain region. Tuscaloosa County (Dr. E, A. 

 Smith). Lee County, Auburn (F. S. Earle). Rare. 



Type locality : "Hab. in Carolina inferiore." 



Herb. Geol. Surv. Herb. Mohr. 



Juncus acuminatus debilis (Gray) Engelm. Trans. St. Louis Acad. 2 : 463. 1868. 



WEAK RUSH. 



Juncus debilis Gray, Man. 506. 1848. 



Gray, Man. ed. 6, 544. Chap. Fl. ed. 3, 521. 



Carolinian and Louisianian areas. New Jersey to South Carolina, west to Louisi- 

 ana, Arkansas, and Missouri. 



ALABAMA: Mountain region. Central Pine belt. Lee County, Auburn (Baker $ 

 Earlu}. Tuscaloosa County. St. Clair County, flat woods in open miry or exs'ic- 

 cat-ed ground. Mobile County, Springhill, springy places. May, June. 



Type locality: "Wet swamps, common southward and westward." 



Herb. Geol. Surv. Herb. Mohr. 



Juncus diffusissimus Buckl. Proc. Acad. Phila. 1862 : 9. 1862. DIFFUSE Rusn. 



Juncus acitminatus var. diffusissimus Engelm. Trans. St. Louis Acad. 2 :466. 1868. 



Chap. Fl. ed. 3, 521. Coulter, Contr. Nat. Herb. 2 : 449. 



Carolinian and Louisianian areas. Tennessee, west to Kansas; Alabama to Loui- 

 siana, Arkansas, and eastern Texas. 



