584 GRAMINE^. (grass FAJIILY.) 



1. L. Alabamensis, n. sp. Smooth throughout; culms h)\v (4'-6'high), 

 simple, jointed near tiic base ; leaves mostly two ; the lowest one 3-4 times the 

 length of the culm ; the elongated purple sheath enclosing the short membrana- 

 ceous upper one, and the stalk of the simple few-flowered panicle ; spikelcts 

 pale, ovate-lanceolate, sliortcr than the erect or appressed capillai-y pedicels ; 

 the staminatc and pistillate ones borne on separate culms ; palea; of staminatc 

 spikelet lanceolate, 7 -nerved ; those of the pistillate ovate-lanceolate, 11-13- 

 nen'cd, much longer than the smooth grain. — Brooklyn, Conecuh County, 

 Alabama, ./. /'. Beaumont. 



60. MONANTHOCHLOE, Engelm. 



A low maritime branching grass, with very short rigid crowded leaves, and 

 dioecious flowers in solitary terminal sessile spikes. Glumes none. — Spikes 

 short, 3-5-flowercd ; the lowest flower, or the two lower ones, neutral, of 1 -2 

 palcae ; the uppermost abortive ; the intermediate ones, composed of two palea, 

 triandrous in the staminatc, digynous in the pistillate spike. Palcas convolute, 

 scarious and obtuse at the apex; the lower one rigid, ovate-lanceolate, 9-12- 

 nerved above ; the upper rather longer, 2-kcelcd or 2-wingcd on the back. 

 Squamuloc none. Anthers longer than the short filaments, 2-lobcd at each end. 

 Ovary lanceolate-linear, 3-angled. Styles 2 : stigmas elongated, plumose with 

 simple hairs. Grain 3-angled, free. 



1 . M. littoralis, Engelm. — Low sandy shores. South Florida, and wcstr 

 ward. — Culms much branched, 5' - 8' high, smooth and somewhat woody, 

 erect, or at length prostrate and rooting. Leaves 3" long, very rigid, ob- 

 tuse, many-nerved, rough on the margins, mostly crowded at the summit of 

 the short branches, and enclosing the short (3" -4") sessile spikes. Flowers 

 pedicelled. 



