294 



The Botanical Gazette. 



[July, 



Tree 30-50^^ high; flowers brick-red. 

 Mazatenan 



ft 



_ :), Depart. Suchitepequez, Guat., alt. I,200, 

 Jan. 1894, Heyde & Lux, no. 6,375. 



Pseudolmedia oxyphyllaria Donnell Sinith. — Primo seri- 

 cea, cito aetate provectior^ glabrata. Folia semipedalia et 

 ultra ter quaterve longiora quam latiora oblongo-lanceolata in 

 acumen longiusculum obtusum angustata ad basin acuta sub- 

 inaequilatera falcata, costis subtus prominentibus in utroque 

 latcre circa 20. Capitula mascula singula vel 2-5-glomerata; 

 involucri bracteae externae deltoideae, irwternae ovatae, cunctae 

 autem acuta^; receptaculi concavi magni bracteolae rhomboi- 

 deo- vel lanccolato-spatulatse. Stamina numerosissima, an- 

 theris nudis ad basin breviter auriculatis. 



Tree 20-30" high. Branchlets terete. 

 2^^ glabrous; petioles pubescent, 3^ long. 



Leaves 6 



Heads about 5 in 



8xa 



diam. ; bracts cano-sericeous with scarious margins, the inte- 

 rior 3' loncr; bractlets cano-sericeous, lacerate, exceeding sta- 

 mens. Anthers i' long, Female heads not seen. 



Slopes of Volcan Tecuamburro, Depart. S. Rosa, Guat., alt. 

 6,000", Febr. 1893, Heyde & Lux, no. 4,429. 



Pilea Costaricensis Dqnnell Smith.— Dioica glabra. Folia 

 in eodem jugo maxime inaequimagna admodum autem con- 

 formia, alterum nempe majus oblongo-ellipticum longiuscule 

 cuspidato-acuminatum basi allquantulum inaequilaterum et 

 plerumque obtusum longe petiolatum, alterum quadruplo 

 minus breviusque petiolatum oblongo-lanceolatum a medio 

 utrimque sensim angustatum, ambo 3-nervia subtus pallida et 

 evenia supra basln integram incurvo-crenulata, nervis later- 

 alibus apicem fere attingentibus. Cymse brevissime peduncu- 

 latae, masculae a petiolo folii majoris feminse a petiolo folii 

 minoris superatse. 



Herbaceous, ascending 1-2^' from a rooting base, branch- 



Leaves, especially beneath, occupled by linear cysto- 



liths; the larger in the pair 3^-5 ^ x i^-i|'",more narrowing 



mg. 



above the middle than below, cuspidate tip 4-6' long, petioles 

 1-2'° long. Masculine cymes 6-8' high, perianth 2' in diam. 

 with oblong segments exceeded by anthers; feminine cymes 

 less evolute, exterior segments of perianth scarious-tipped and 

 twlce exceeded by obliquely oval (|'} achenium. 



Estrella, Prov. Cartago, Costa Rica, alt. 4,400", Apr. 1888, 

 Juan T. Cooper, no. i;.Q!;2. 



