272 



JUNCACEAE (RUSH FAMILY) 



574. J. dichotomus. 

 Inflorescence x %. 



575. J. setaceus. 

 Inflorescence x %. 



beaked light mahogany-colored obscurely 1-celled cap- 

 sule ; anthers nearly as long as Liu? filaments. Low 

 sandy grounds, L. I. to Fla. (Trop. Am.) FIG. 574. 



Var. platyphyllus Wiegand. Leaves 

 flat or merely involute as in J. tcnuix : 

 auricles less cartilaginous, often nearly 

 scarious ; cyme loose. Along the 

 coast, Mass, to Tex. 



10. J. setaceus Rostk. Scape slen- 

 der (0.3-1 m. high) ; cyme loose, rather 

 few-flowered ; flowers greenish (3-4 

 mm. long) ; sepals and petals lanceo- 

 late, sharp-pointed, especially the 3 

 shining sepals; capsule beak-pointed, 

 greenish or light brown ; anthers as 

 long as the filaments ; style conspicu- 

 ous ; seeds (0.6-0.8 mm. long) irregu- 

 larly obconic, long-stipitate, ribbed geed'x 25 

 and cross-lined. Low usually brack- 

 ish ground, Del. and Mo. to Fla. and La. June-Sept. FIG. 575. 



11. J. Vaseyi Engelm. Stems rigid (2.5-8 dm. high), densely tufted ; leaves 

 nearly terete, very slightly channeled on the inner side ; cyme 1-4 cm. long, 

 often longer than the involucral leaf ; flowers few, often one- 

 sided; capsule oblong, greenish; sepals lanceolate, acute, ap- 

 pressed ; anthers as long as the filaments ; style very short ; 

 seeds slender (1 mm. or more long), the tails half as long as 

 the dark body. Damp thickets, shores, etc., 

 n. N. B. to Sask., s. to centr. Me., n. N. Y., 

 Mich., 111., la., and Col. July-Aug. FIG. 

 676. 



12. J. oron6nsis Fernald. Similar; of 

 paler straw-color throughout ; the inflores- 

 cence elongate, 2.5-9 dm. long, subdichoto- 

 mous, the flowers secund and distinct along 

 the secund suberect branches ; capsule oblong- 

 trigonous, truncate-emarginate, the sides flat 

 or a little concave toward the tip, miu-h 

 shorter than the sepals ; seeds 1 mm. long, 

 the tails \ as long as the 



body. Thickets, Me., local. 

 FIG. 577. 



13. J. Greenei Oakes & 

 inflorescence x%. Tuckerm> Stems rigid (2-8 

 Fruiting flower x 3. dm high) . ^^ nearly 



terete, very deeply channeled (almost involute) on the inner 

 side ; cyme 1-6 cm. long, usually much shorter than the prin- 

 cipal erect involucral leaf, generally dense, the numerous 

 flowers often one-sided (4-5 mm. long) ; sepals lanceolate, 

 acute, light brown, appressed ; anthers as long as the filaments ; 

 style very short; seeds ovoid (0.5mm. long), ribbed and deli- 

 cately cross-lined. Sandy or barren soil, Me. to Vt. and N. J. ; 

 locally about the Great Lakes. June-Sept. FIG. 578. 





577. J. oronensis. 



Seed x 40. 



f<iteral; the im-,<hin;U It, if erect, 



t<> ami. cnntlii iiimj tin n, i k <'<l scape ; leaves i>-<i utimj. 



14. J. balticus Willd., var. littoralis Kngelm. Scapes rigid 

 (0.3-1 m. high) ; cymes loose or dense (1-1) em. long) ; flowers 

 chestnut-brown with gn-en ; sepals ovate -lanceolate, sharp-pointed, petals 

 obtusish ; eapsule ellipsoidal, rather triangular, obtuse and mucronate. deep 

 brown; anthers much lon-er than the broad tihuneiits; style about the length 



