Plants Collected in Paraguay. 26T 



widely spreading. It is a bad thing to handle, as the fruit-bearing 

 glume is densely covered with small hooked hairs, and the fruit 

 adheres to everything it touches, even to the drying-paper, so that 

 it is very difficult to preserve complete specimens. 



Tripsaciim dactyloides, L., Sp. PL, Ed. 2, 1378. 



Pirayu (675). April. 



ILiiiziola Peruviana, Pers., Syn., ii, 575. 

 Asuncion (195). November. 



LiUZiola Spruceana, Benth. in Mart. Fl. Bras., ii, pt. 2, 18. 



Near Asuncion (556). February. = Spruce 536. 



An aquatic with long sheathing leaves, the sheaths much inflated, 

 and the leaves much longer than the culms. Monoecious. Stami- 

 nate panicle terminal, 5-6 cm. long, loose and spreading, on culms 

 almost filamentous, about 20 cm. long. Pistillate panicle below, 

 much larger, the branches setaceous, dichotomous. 



Oryza latifolia, Desv., Journ. Bot., 1813, 77. 



Pilcomayo River (949). February. 



An aquatic occurring in pools in deep woods on the Pilcomayo 

 River. Culms 1^-2 m. high. Leaves 3-3|- dm. long, 1^-4 cm. 

 broad at the base, midnerve white and prominent, dark purple at 

 the junction of blade and sheath, otherwise green, rough on the 

 margins, otherwise glabrous ; sheaths 20-25 cm. long, closely in- 

 vesting the culm. Panicle 25 cm. long, composed of simple erect 

 branches 8-10 cm. long, rising 1-4 together from the rachis, with a 

 tuft of silky hairs at the base of each cluster. Spikelets white, 6 or 

 7 mm. long ; empty glumes subulate, 3 mm. long ; flowering glume 

 keeled and laterally 2-nerved. Keel and nerves green, hispid, with 

 a very long hispid awn ; palet similar, apiculate. 



Ariindinella Martinicensis, Trin., Diss., ii, 62. 



Between Yilla Rica and Escoba (544). January. 



A strong, rank grass 3-9 dm. high, with rigid re volute acuminate 

 leaves 2-3 dm. long. Panicle close, 2-3^ dm. in length, 3-5 cm. 

 wide, the branches 6-12 cm. long. Spikes crowded. Spikelets gemi- 

 nate, on unequal pedicels, 3 mm. long, 1-flowered ; upper empty 

 glume longer than the lower and longer than the flower, 5-nerved, 

 keeled, slightly recurved. Palet with a tuft of hairs at the base, 



