408 GRAMIXE.E. 



* * Stigmas 3. 



34. C. Shortiana, Dew. Short's Sedge. 



Spikes about 5, cylindrical, erect, more or less distant, and the lowee -,.iher re- 

 mote, all androgynous and derrsely flowered; perigynia broadly-obov;. r 

 contracted at the base into a short stalk, but little longer than the Bboi6-] 

 gornewhat obovate scale. 



Marshes, Southern parts of the State. 



35. C. miliacea, Mul 1. M'dlet-lilce Sedge. 



Sterile spilce solitary, pedunculate ; fertile tpilccs 3, slender, cylindrical, on Cnform 

 nodding peduncles; perigynia oroid triangular, slightly beaked, entire at the 

 orifice, a3 long as the ovate-lanceolate scale. 



Wet meadows. Culm 1 to 2 feet high, slender, leafy below. Leaves narrow, 

 about as long as the culm, yellowith-grecn. 



36. C. SQUARROSA, L. Squarrose Sedge. 



Fertile spilces ovoid or oblong, obtuse and very thick, rigidly erect on short stalks; 

 perigynia longer than the lanceolate pointed scales, which are nearly concealed by 

 the crowded bases of the fruit. 



Low meadows. Culm 2 feet high, triangular, rough, leafy. Spile 1 bo 2 inehaj 

 long, % to % incu in diameter, densely flowered. 



Order 133. GR 1EEINEE— Grass Family, 



Grasses, -with usually hollow stems (culms) closed at tlie joints, alternate Zranled 

 leaves, their sheaths split or open on the side opposite the blade ; the hypngynous flvic- 

 ers imbricated with 2 ranked glumes or bracts. Stamens 1 to 6, commonly 3: aw- 

 thers versatile, 2-celled. Styles mostly 2 or 2-parted^ stigmas feathery or hairy. 

 Ovary 1-celled, forming a seed-like grain (caryopsis) in fruit. Flowers green, in 

 .email spikelets, arranged in a spiked raceme or panicled manner. 



1. LEERSIA, Solander. White Grass. 



Named in honor of I. D. Leers, a German botanist. 



Spikelets 1 -flowered, perfect, flat. Glumes none. Pa- 

 LEiE (outer perianth) compressed-carinate, awnless, bristly 

 ci'liate. Stamens 1 to 6, Stigmas feathery, the hairs 

 branching. — Perennial marsh-grasses with flat leaves, which 

 with the sheaths are rough upwards. 



1. L. orysoides, Swartz. Cut-grass. False Rice. 



Panicle diffusely branched, often sheathed at the base ; flowers elliptical, with S 

 gtamens; paltce strongly bristly ciliate. 



Wet places, common. Aug., Sept. Culm retrorsely scabrous, 3 to 5 feet high. 

 Leaves lanceolate, acuminate, very rough with hooked prickles. Panicle with 

 many widely spreading and fiexuous branches. 



2. L. Virginica, Willd. White Grass, 



Panicle simple, the lower branches spreading, the flowers cloaely apprcs«ed and 

 gomewhat imbricated on the slender branches ; flowers oblong, with 2 stameng; 

 pcCux sparingly ciliate, greenish-white. 



