MONOCOTYLEDOXOUS OR ENDOGENOUS PLANTS. oGl 



*** Panicles terminal, forking ; leaves channehd or grooved, the upper ones forming 

 an involucre under the panicle. 



J. TENLJis, Willd. Siems tough, not tumid at the base, 

 several-leaved; leaves narrowly linear, channeled; involucre 

 longer thau the panicle; flowers single; sepals lanceolate, 

 very acute, one-third longer than the ovoid capsule. Low 

 grounds. May and June. Stem 6'-12' high ; panicle 

 small, the flowers mostly on one side of the branches ; capf- 

 sule liglit green. 



J. DJCHOTOMUS, Ell. Stem tumid at the base, 1-3-leaved; 

 leaves filiform, nearly terete, slightly grooved on the inner 

 side; involucre mostly shorter than the cymose panicle; 

 flowers single; sepals rigid, ovate-lanceolate, very acute, as 

 long as tlie globose dark-green capsule. Low grounds. 

 May and June. Stem l°-3° high; panicle dense or elon- 

 gated. 



J. FiLiPENDULUS, Buckley. Slenis erect, slender, 1-2- 

 leaved; leaves numerous at the root; floicers terminal; 

 fascicles G-12-flowered ; bracts ovate, broadly membrana- 

 ceous, acuminate, or long subulate; leaves of theperigynium 

 G, equal, lanceolate or ovate, broadly membranaceous, subu- 

 late ; capsule o-'iX\\g\Qdi; style short; stigmas 3-twisted and 

 brown pubescent. In the Western part of Llano County, 

 along streams, in dense tufts, with weak single stems, and 

 long slender thread-like branches (lience the specific name), 

 terminated by 1-4 sub-liemispherical heads of flowers, 

 Avhicli when later with mature fruit are of a light straw- 

 color. Seeds ovate, with reddish-brown points; heads of 

 floicers about 5 lines in diameter; radical leaves 3-5 inches 

 long. 



§ 2. Stem'^ jointed, leafy ; cl>/sfers or panicles terminal. 

 * Leaves terete or somewhat flattened, knotted ; stamens 3. 



J. sciRPOTDES, Lam. Rigid ; stem stout, erect ; leaves 

 terete, panicle erect, contracted, the few large globose 

 green or brown is-h heads composed of several more or less 



'Ml"'" 



