JUNCACE.E. (rISII FAMILY.) 539 



(C. erecta, Grai/, Man., not A.) — Kivor-hanks, IVnn. to Fla., west to Mo. 

 and Tex. 



* * Cells \-oi'uled,\-scefIfff ; seeds sinnot/i : spaihe ruciillate ; roots snUtalierons. 



3. C. er6cta, I^. iSleucler, often low; leaves linear; cells alt ile/usrrut. — 

 Penn. to Fla. 



4. C. Virginica, I>. Slcndtr, nsually tall; leaves lanceolate to linear; 

 dorsal cell iudehiscent, scabrous. — Damp rich woods and banks, southern X. Y. 

 to Fla., west to Mich., Iowa, and Mu. 



2. TRADESC ANTIA, L. Spiderwout. 



Flowers regular. Sepals herbaceous. Petals all alike, ovate, sessile. Sta- 

 mens all fertile ; filaments bearded. Capsule 2 - 3-celled, the cells 1 - 2-seeded. 

 — l*erennials. Stems mucilaginous, mostly upright, nearly simple, leafy. 

 Leaves keeled. Flowers e])liemeral, in umbelled clusters, axillary and ter- 

 minal, produced tlirough the summer; floral leaves nearly like the others. 

 (Named for the el ler Tradescant, gardener to Charles the First of England.) 



* Umbels terminal or sometimes lateral, sessile, subtended bj/ 1 or 2 leaf-bke 



bracts ; leaves linear to uarrowly lanceolate ; Jiowers blue. 



1. T. Virginica, L. (Commox Spiderwort.) Koots flcshyfihrous ; 

 smooth or only slightly villous, more or less glaucous, often tall and slender 

 and with linear leaves, rather rarely with 1 or 2 long lateral peduncles , bracts 

 usually a pair. — Kich ground, N. Y. to Fla., west to Minn., Tex., and the 

 Rocky Mts. Very variable. — Var. vill6sa, AVatson. Often dwarf, more or 

 less villous throughout as well as pubescent. Mississip])i valley and Gulf 

 States. — Var. flexi:6.sa, Watson. Stout and dark green, with large linear- 

 lanceolate pubescent leaves, tlie stem usually flexuous, and with several short 

 lateral branches or sessile axillary heads. (T flexuosa, Raf.) — Ohio to Ky. 

 anil (ia. T. pilosa, Le/tm., is an intermediate form. 



* * Umbel pedunculate, subtended bi/ small subscarious bracts ; /lowers small, 



rose-color. 



2. T. rdsea, Vent. Small, slender (6- 10' high), smooth, erect from a 

 running rootstock ; leaves very narrowly linear, grass-like. — Sandy woods, 

 Md. to Fla., west to Ky. and Mo. 



Ordku 121. eTUXCACE.^. (Rush Family.) 



Grass-Uke or r\is]i-like licrhs, tcilh small flowers, n rcf/idar and liypogynous 

 ])ersistent perianth o/G similar f/lumaceous sepals, G or rarehj 3 stamens icith 

 2-celled anthers, n sinr/le short style, 3 filiform hairy stigmas, and an ovary 

 either 3-celled or l-celled with 3 parietal placentas, forming a Ioculicid(d 

 3-valved capsule. Seeds anatropous, with a minute embryo enclosed at the 

 base of the fleshy albumen. — Flowers liliaceous in structure, but sed_a'- 

 like in aspect and texture. 



1. Junrus. Capsule 3-rollod (or imperfectly so), many-seeded. Plants never hairy, in 



moist ground or water. 



2. Luzula. Capsule l-celled, 3-seedcd. Plauts often hairy, iu dry ground. 



