New Species of South American Plants 9 



Pauzolzia platyphylla. 



Minutely strigose and lightly scabrous, only the short top 

 of a single branch seen, this being slender, herbaceous and very 

 leafy. Stipules 5 mm. long, brown, attenuate. Petioles i tc 

 8 cm. long, flat, strongly nerved. Blades i to 2 dm. long, 5 tc 

 12 cm. wide, ovate, somewhat inequilateral, with broadly 

 rounded and slightly produced base and very abruptly short- 

 acuminate and acute summit, very thin, deep-green, the prin- 

 cipal secondaries of the midrib about 2 on each side, the lateral 

 nerves sending off 8 or 10 secondaries on the outer side, all con- 

 nected by transverse tertiaries. Glomerules very small and 

 few-flowered. Flowers all pistillate. Stigma very small, sessile 

 •oblique. Akene 1.5 mm. long, nearly as broad, acute, mucli 

 -compressed, smooth and shining, thinly margined, whitish 

 Perigone minutely pilose, nerved. 



"A shrub to 5 feet. Rare in sandy and somewhat arid 

 regions near sea-level, and not far from the coast. Collectec 

 on low hills, 7 miles east of Cienaga, September ir." (Herberl 

 H. Smith, Colombia, No. 1429.) 



Pouzolzia petiolata. 



Softly pilose throughout, the hairs of the upper leaf-surfaces 

 sparse, short, strongly appressed. Stipules 4 mm. long, ovate 

 abruptly contracted into an attenuate summit that is longei 

 than the body, brown with a very strong, darker midrib. Peti 



'Oles to 4 cm. long, very slender, compressed. Blades 6 to 10 cm 

 long, 2.5 to 5 cm. broad, ovate wit i obtuse base and very abruptly 



-acuminate and acute summit, thin, bright-green above, grayisl 

 beneath, 3-nerved, the lateral nerves giving off upon the outei 

 side numerous strongly erect branches, the principal secondariei 

 of the midrib about 3 on each side, with many smaller ones con 

 necting with the lateral nerves, and similar transverse vein! 

 connecting the secondaries, the nerves rather broad and flat 

 3-striate. Glomerules 3 to 5 mm. broad, dense. 



Staminate Flowers. — About 4 mm. long, 4-merous, thi 

 sepals ovate, acuminate, strongly concave or saccate, not pli 



■ cate, puberulent. Pistillate Flower. — Very few, smaller thai 

 the staminate, poorly developed, the perigone much like tha 

 of the staminate. 



"A shrub to 8 feet. Generally in dry ravines in dry fores 



-region, below 1,500 feet. Collected at Bonda, 150 feet, Juh 



.25. Variety of 1434 ?" (Herbert H. Smith, Colombia, No 

 I435-) 

 Boehmeria sordida. 



Grayish-pilose throughout with appressed hairs, the uppe 



>leaf-surfaces sparsely so. Stems stout, more or less obtuseh 



