5G4 GRAMINEjE. (GKASS FAMILY.) 



3. E. riLOSA, Beany. Panicle elongated-oblong, with rather erect branches 

 (except at flowering-time) ; spikelets 5 -12-flowered (2" -4" long, purplish-lead- 

 color), becoming linear, about equalling their pedicels: glumes (small) and lower 

 valea obtuse, the latter broadly ovate, l-nerved (lateral nerves obsolete). (P. pilo- 

 sa, L. P. Linkii, Kunth.) — Sandy or gravelly waste places, S. New England 

 to Illinois, and southward. Aug. — Plant 6'- 12' high. (Nat. from Eu.) 



4. E. FraBikii, Meyer. Much branched, diffuse (3' -8' high); panicle 

 ovate-oblong, rather dense, spreading; spikelets 2-5-flowered (1"-1^" long) on 

 slender pedicels ; glumes very acute ; lower palea ovate, acute, rather obscurely 3- 

 nerved. (E. erythrogona, Nees, from the joints of the culm being mostly red- 

 dish.) — Low or sandy ground, Ohio to Illinois (opposite St. Louis, Drummond, 

 Engelmann), and southwestward. Aug. 



5. E. Fa'sislsii, (Bernh. ?) Schrad. Sparingly branched at the decum- 

 bent base, then erect (|°-2°high); panicle elongated, the branches widely 

 spreading, very loose; spikelets 5 -\8-Jlowered, oblong-lanceolate, becoming 

 linear (2" -4^" long), mostly much shorter than their capillary pedicels ; glumes and 

 lower palea ovate and acute, or the latter acutish, 3-)ierved. (Poa tenella? Pursh. 

 P. Caroliniana, Spreng. P. pectinacea of authors, not of Michx.) — Sandy or 

 sterile open grounds, New Jersey to Virginia, and southward. 



-t- -i- Culms simple or branching only at the very base, firm, erect, from an annual or 

 perennial root, mostly forming thick tufts: leaves very long : panicle very large, com- 

 pound, often longer than the culm, ivith elongated and loosely flowered blanches ; their 

 axils often bearded. 



6. E. tenuis. Panicle virgately elongated (l°-2£° long), very loose, the 

 spreading branches bearded in some of the lower axils, their remote divisions 

 and long diverging pedicels capillary; spikelets 2-6- (sometimes 7 -12-) flow- 

 ered, pale or greenish ; glumes lanceolate or awl-shaped, vert/ acute (l£"-2" long), 

 membranaceous, as are the oblong-lanceolate acute flowers : lower paha distinctly 3- 

 nerved; the upper ciliate-scabrous. 1H (Poa tenuis, £//. P. capillaris, Michx. 

 P. trichodes, Nutt. E. Geyeri, Steud.) — Sandy soil, Illinois, Virginia? and 

 southward. Aug. - Oct. — Leaves rather rigid, l£° - 2° long, glabrous or spar- 

 ingly hairy : the sheaths hairy or glabrous ; the throat strongly bearded. Flow- 

 ers much larger than in the next, fully 1^" long. 



7. E. capillaris, Nees. Panicle widely expanding, usually much longer 

 than the culm, its spreading branches (mostly naked in the axils) and long 

 diverging pedicels capillary; spikelets rather terete, very small, 2 - 4-flowered, 

 greenish or purplish; glumes and flowers ovate, acute (less than 1'' long) ; lower 

 palea obscurely 3-nerved, scarcely keeled, the upper rough-ciliate. q (Poa capil- 

 laris, L. P. hirsuta, Michx.) — Sandy dry soil and fields; common, especially 

 southward. Aug., Sept. — Leaves and sheaths either very hairy or nearly gla- 

 brous, the former about 1° long, not rigid. Panicle 1° - 2° long, becoming very 

 wide and diffuse. 



8. E. pcctisiacea. Panicle widely diffuse, its rigid divergent main 

 branches bearded in the axils ; the capillary pedicels more or /est oppressed on the 

 secondary branches; spikelets flat, 5 - 1 5-flowered, becoming linear, purple or 

 purplish-tinged ; glumes and flowers ovate or oblong-ovate, acutish ; lower palea 



