FESTuci. TRIANDRTA, DTGYNIA, 123 



lanceolate, acuminate, 1 -nerved, scabrous on the keel ; the su- 

 perior one three times as long as the other. Inferior valve of 

 the corolla lanceolate, acuminate, villous on the lower part of 

 the margin, carinate, termiuated by a scabrous bristle as long 

 as the floret; superior valve much shorter, very acute, ciliate 

 on the margin near the base. Stamens 2 ? anthers minute. 

 Styles very short ; stigmas plumose, purple. Seed oval, com- 

 pressed, not sulcate, 2-horned. Sectaries oblong, entire. 

 Hab. In brackish meadows, and in sandy soils near the salt- 

 water. Hackinsack meadows, New- Jersey, At Kingsbridge, 

 on the Island of New-York, and along the sea-coast of Long- 

 Island. August. 



The F. fiolystachya o{ Michaux is described as being 

 erect, but in every other respect it resembles our plant. I have 

 restored the name of La mark on account of its priority. 

 This species is nearly allied to F.fusca, a native of Palestinp, 

 and with that plant constitutes the genus DiplachneI of 

 £ e auv. 



9. F. clandestina Muhl.: panicle partly conrealed in 

 the sheaths; branches solitary, simple; spikeiets 10-flowered, 

 florets awned. Muhl. Gram. p. 162. 



Culm abowt a span high, smooth. Leaves linear, nerved. Sheath» 



long. Stifiule acuminate. Spi/celets sessile and pedunculate.'. 



Calyx lanceolate, acuminate, smooth. Valves of the corolla 



' unequal ; the inferior terminated by a short bristle ; the superior 



smaller, bind. Muhl. 



Hab. In New-York. Muhlenberg: Resembles F. rfMnw*- 



cula. -f 



The specimen of this plant in Muhlenber g*a Herbari- 

 um is very imperfect, and appears to be a species of Bromus. 



32. CERATOCHLOA. Be auv. 



Spikeiets lanceolate, subancipital, many -flowered. 

 Calyx shorter than the imbricated florets. Inferior 

 valve of the corolla compressed, mucronate below the 

 tip; superior valve somewhat conduplicate. Style 

 2 — 3-parted. P. de Beauv. 1. c. p. 75. t. XV. f. 7. 

 Roem. b" Schult. Gen. 303. Trin. Agrost. 93. 

 Festuc^ sp. JFilldy &c. Panicle simple. 



C, unioloides P. de B. : panicle noddino;, spreading ; 

 spikeiets oblong-lanceolate, compressed, 6 — 8-flo\vered ; flo- 



t DiPtACHNE. Cal. 7 — 9 florus, valvule superior apice mucronata. Cor, 

 valvula interior bilacimata, inter lacinias setigera, superior subtruncata, 

 emarginata. JMectaria obtiis t. Stigmata plumosa subaspergilliformia. Se- 

 men baud sulcatum. Panicu/a simplex ramosissima, ramis aiternis filifur- 

 mibus. P. de Jieauv. p. aO. t. XVI. f. 9. 



