ORCHIDACE.E 



Erythrodes brachyrhyncha {Reichb. f.) Ames comb. nov. 

 Physurus brachyrhynchus Reichb.f. Xen. Orch. 2 (1873) 184. 



Erythrodes calophylla {Reichb.f.) Ames comb. nov. Physu- 

 rus calophyllus Reichb.f. Beitr. Orch. Centr. Am. (1866) 64. 



Erythrodes caucana (Schltr.) Ames comb. nov. Physurus 

 caucanus Schltr. in Fedde Repert. Beihefte 7 (1920) 70. 



Erythrodes chicharrasensis^we.? sp. nov. Herba terrestris, 

 erecta, 2-2.5 dm. alta, rhizomate decumbenti, cauhformi, radi- 

 canti, mox in caulem erectum abeunte, radicibus villosis, cauU 

 plerumque foUato, supra vaginis foliaceis obsesso, tereti, superne 

 dense glanduloso, infra partem foUatam vaginis tubularibus. Fo- 

 ha usque ad 8.5 cm. longa et 2.8 cm. lata, in sicco atroviridia, 

 obHque lanceolata, prope apicem valde attenuata, chartacea in 

 sicco, clare trinervia, patentia, plus minusve 2 cm. inter se distan- 

 tia. PetioH plus minusve 2 cm. longi, vaginantes, laxe appressi. 

 Racemus plus minusve 7 cm. longus, multiflorus, 2 cm. per me- 

 dium. Bracteae inflorescentiae plus minusve 9 mm. longae, quam 

 pedicellus cum ovario multo longiores, triangulari-lineares, acu- 

 tissimae, scariosae, clare trinerviae, glanduloso-pubescentes. Se- 

 pala lateralia 4.5 mm. longa, 1 mm. lata, oblongo-ligulata,obtusa, 

 uninervia, prope apicem glanduloso-villosa. Sepalum dorsale si- 

 mile. Petala 4 mm. longa, vix 1 mm. lata, oblongo-spathulata. 

 Labellum usque ad lobum terminalem 4 mm. longum, margini- 

 bus incurvum; lobus terminalis 1 mm. longus et 3 mm. latus, 

 oblongo-crescentiformis, obtuse mucronatus, minute papillosus ; 

 calcar 3.5 mm. longum, complanato-cylindraceum, plus minusve 

 1 mm. per medium, intus quadricallosum callis papilliformibus. 

 Columna 3 mm. longa, rostello profrinde bifido utrinque angu- 

 lato, divisionibus setaceis, acutissimis. Anthera 2 mm. longa, an- 

 guste lanceolata. Ovarium glanduloso-pubescens. 



Rhizome elongated, creeping, rooting at the nodes, the roots 



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