ORCHIDACEM 



267 



Pledrothallis avenacea 

 1, labellum ; 2, dorsal sepal ; 3, petal ; 4, column. 



in petalis. Sepala lateralia 9 mm. longa, carinata, prope ad apicem 

 conjuncta, mentum conspicuum ad basim formantia. Sepalum 

 dorsale sepala lateralia longitudine sequans, circa 3.5 mm. latum, 

 oblongum, obtusum. Petala oblanceolata, 3-nervia, obtusa, circa 

 6 mm. longa. Labellum 8 mm. longum, 3-nervium, ad medium 3 

 mm. latum, utroque fastigatum, ad apicem minute denticulatum 

 truncatum ; margo partis dimidiae ulterioris scaber ; f acies superior 

 sparsim papillata. Columna 6 mm. longa, ad apicem irregulariter 

 dentatum dilatata. 



Type in hb. Ames (nos. 6098, 7389). Native country unknown. 

 My description is based on a specimen intro- 

 duced to horticulture from tropical America 

 three or four years ago. Up to the present 

 time I have been unable to identify my mate- 

 rial with any described species. 



P. (§ Elongatae Lepanthiformes) BROAD- 

 WAYI sp. nov. Plantula nana, 2-4 cm. alta, 

 caespitosa. Caules secundarii gracillimi, erecti, 

 vel plerumque ascendentes, 1-3 cm. longi. Va- 

 gince membranaceae, arete adpressae, 5 mm. 

 longse, marginibus subrecurvis pubescentibus 

 vestitis. Folium erectum, oblongi-ellipticum, 



Pleckothallis 

 Bkoadwayi 



