ORCHIDACEM 265 



MASDEVALLIA Ruiz & Pav. 



M. (§ Triangulares) TUBULIFLORA sp. nov. Aff. M. flori- 

 bwidce Lindl. Caules secundarii erecti vel erecto-patuli, 1 cm. 

 longi. Folium oblanceolatum, obtusum, rigidum, 5-8 cm. longum, 

 9-13 mm. latum. Pedunculus gracilis, filiformis, folio brevior. 

 Flores purpureo-striati ?, ± 1 cm. longi. Sejialis usque ad me- 

 dium coalitis. Calyx tubulosus ; lobi laterales falcato-lanceolati, 6 

 mm. longi, 3-nervii; lobus dorsalis carnulosus, linearis, obtusus, 7 

 mm. longus. Petala lineari-lanceolata, uninervia, 4 mm. longa, 

 obtusa, apiculata. Labellum lineare, subacutum, ad basim corda- 

 tum, lateraliter ad medium bicallosum, 4 mm. longum, 1 mm. 

 latum. Columna 3.5 mm. longa. 



The petals are dilated at about the middle and provided with 

 a blunt lobule on the anterior margin, 2 mm. from the base. The 

 flowers appear to have been whitish or yellowish when fresh and 

 striped with purple in the throat of the calyx. 



Alt. 350 m., Cubilquitz, Depart. Alta Verapaz, Guatemala, Jan- 

 uary, 1902, H. von Tuerckheim (no. 512). 



M. (§ Reichenbachianse) TUERCKHEIMII sp. nov. Aff. M. 

 Molfeance Kranzlin. Caules secundarii erecti vel erecto-patuli, vix 

 1 cm. longi. Folium oblongi-spathulatum, ad basim attenuatum, 

 petiolatum, 6-10 cm. longum, obtusum. Pedunculus 2.5-5 cm. 

 longus, biflorus. Bracteai erectae, adpressse, albescentes ?, 4 mm. 

 longse. Flores purpureo-maculati, et leviter flavescentes ?, circa 

 1.5 cm. longi. Calyx subcoriaceus. Sepala later alia ovata, 3- 

 nervia, 17 mm. longa, in caudas abbreviatas desinentia ; caudse 

 3 mm. longae. Sepalum dorsale subrotundatum, 3-nervium, 19 

 mm. longum, in caudam elongatam abrupte attenuatum. Petala 

 lineari-oblonga, 5 mm. longa, 1.5 mm. lata, ad apicem truncata vel 

 retusa, et minute unidentata, in margine anteriore prope basim 

 lobulus obtusus dentiformis. Labellum lineari-oblongum, obtusum, 

 5 mm. longum, 1.5 mm. latum, lateraliter ad medium bicallosum 



