RUSHES. 435 



Juncus canadensis J. Gay; La Harpe, Monogr. .Tuuc. 134. 1825. Canada Rush. 



Juucii)^ canadensis longicaudatus Engelm. Trans. St. Louis Acad. 2 : 474. 186S. 



Allegheniau aud Carolinian areas. New Brunswick, Ontario; New England west 

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



Alab.\aia; Mountain region. Metamorphic hills. Lee Coiintyj Auburn (/•'. ,S. 

 Earle). October; infrequent. 



Type locality : •' Hab. in Canada." 



Herb. Geol. Surv. Herb. Mohr. 



Juncus trigonocarpus Steud. Syn. PI. Cyp. 308. 18.")5. 



Triangula i:-FKiTiTED Rush. 



Juncus caudatiis Chap. Fl. 495. 1860. 



Louisianian area. Florida to Mississippi. 



Alabama : Lower Pine region. I'ine-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 Rrsii. 



Juncus acnininalns KU. Hli. 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 i)lain. April, May. 



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



Herb. Geol. Surv. Herb. Mohr. 



Juncus elliottii polyanthenius var. uov. Elliott's Many-flowered Rush. 



Mr. Coville tirst pointed out this remarkable form as a possible variety of ./. elli- 

 ottii, from which it is at once distinguished by the robust h;ibit of growth and the 

 large inflorescence, resembling in this respect J. robustns. Stem 2 to 2.1 feet high; 

 leaves from 10 to 15 inches long, flat, long- acuminate; branches of the laternl 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. Fre([uent. 



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. /ifoZe). 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 dchilis Grav, Man. 506. 1848. 



Gray. Man. ed. 6, .^44. 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 (/iaker<S- 

 Earlc). Tuscaloosa County. St. Clair County, flat woods in ojien miry or exsic- 

 cated ground. Mobile County, Spriughill, 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 Rush. 



Juncus acuminatus var. difl'usissimus Engelm. Trans. St. I^ouis Acad. 2 : 466. 1868. 



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



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

 siana, Arkansas, and eastern Texas. 



