Three Hundred New Species of South 

 American Plants 



Xanthosoma (§ Acontiam) bilineata. 



Glabrous. Corm 3.5 cm. broad, 2.5 cm. high, the roots 

 dense on sides and base. Petioles about 4.5 dm. long, the lower 

 half gradually dilated and sheathing at the base. Blade 15 to 

 20 cm. long from summit of petiole, the lateral lobes extending 

 about 5 cm. farther down, its extreme width 2.5 to 3.5 dm. 

 Middle lobe 12 to 15 cm. broad, ovate with an abrupt very 

 short triangular acute acumination. Lateral lobes 14 to 18 cm. 

 long, 7 to 9 cm. wide, inequilaterally ovate, acutish, the base 

 somewhat angular or lightly hastate. Leaf thin, the primaries 

 broad, flat, the secondaries of the middle lobe about 12 on a 

 side, of the lateral about 10, somewhat decurrent on the pri- 

 mary, widely spreading, little curved, the marginal line double, 

 a strong undulating one 3 mm. from the margin, a more slender 

 one at the margin, the intervening fine venation very loose and 

 slender. Peduncle (only one seen) 18 cm. long, stout, erect. 

 Tube of spathe 3 cm. long, 12 mm. wide, as pressed, the limb 

 8 cm. long, 2 cm. broad in the closed and pressed state, acumin- 

 ate and acute, white. Dissection material wanting. 



"Spathe white. In a plantain patch, shady open ground 

 in a damp place at Onaca, 2500 feet. Abundant, August 16." 

 (Herbert H. Smith, Colombia, No. 2475.) 



Tillandsia (§ Pseudocatopsis) triangularis. 



More or less finely furfuraceous, especially above. Leaf 

 bases forming a dense imbricated mass, 8 cm. broad, 10 cm. 

 high; triangular, flat, 3 cm. wide, abruptly contracted into 

 the leaves which are 7 to 12 cm. long, and about 4 to 6 mm. 

 wide, tapering to a fine point, the nerves very numerous and 

 fine. Peduncle and panicle each about 15 cm. long, the scales 

 of the peduncle closely appressed, 2 cm. long, ovate, acute. 

 Branches of the panicle close together, 3 to 6 cm. long, simple, 

 subtended by bracts similar to those of the peduncle, the flowers 

 distichous, thick, about 3 to the cm. Floral bract 6 mm. long 

 and broad, obovate with sub-truncate, minutely mucronulate 

 summit, about 20-nerved. Calyx 5 mm. long, the sepals ovate, 

 obtusish, nearly as broad as long, not keeled, the nerves ob- 

 scure. Corolla and stamens 5 mm. long, the petals oval with 

 rounded summit, nearly twice the length of the stamens, the 



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