16. Zygopetalum Sanderianum Rgl. (Grtfl. 1888. p. 657. 

 tab. 1287). 



Rhizoma elongatuin, ramosuin, repens, articulatum, ad articulos 

 squama abbreviata scariosa vaginata deinde fibroso-laciniata vestitum. 

 Pseudobulbi initio terminates, deinde laterales, subovati, compressi, deinde 

 parce costati, foliis terminalibus 3—4 basilaribusque vestiti. 



Folia ensiformia, acuta, usque 50 cm. longa et 4 — 5'/a cm. lata, 

 9— 11-nervia. Scapus erectus, basilaris, vaginis remotis scariosis 3—4 

 munitus, racemo circiter 6-floroterniinatus, incluso racemo foliis brevier. 

 Bracteae vaginatae, scariosae, ovario breviores. Sepala oblongo-Ianceolata, 

 acuta, SV« cm. longa, 14 mm. lata; petala subaequilonga, 1 cm. lata; 

 petala sepalaque patentia, flavido-virescentia, basin versus purpureo punc- 

 tata y. rarius concolora. Labelli basis obtuse multiformis, crista pur- 

 purea magna carnosa transversa crenata; epichilium ovatuni, antice crena- 

 tum, pallide coeruleum, 2'A cm. lougum et latum. 



Zygopetalo maxillari et Z. Gautieri affine, labello ovato-subrotundo 

 (nee latissimo duplo Iatiore quam longo) florumque colore diversissimum. 



Plantam vivam a CI. Sandero, verosimiliter e Columbia introductam, 

 accepimus anno praeterito. 



17. Diastema Lehuianni Bgl. 



Propagulae cyliudricae. 



Exclusa corolla tota plauta pilis glanduliferis molliter pubescens. 

 Caulis humilis, adscendens, ramosus. Folia petiolata, ovata, subacuta v. 

 obtusiuscula, crenato-dentata, ima basi integerrima aequaliter in petiolum 

 cuneata, usque 3 cm. lata et paullo tantum longiora. 



Petiolus quam lamina brevior. Pedunculi axillares, solitarii, uniflori, 

 calycem multoties superantes, corollae tubo circiter triple longiores, folio 

 breviorea. Calycis lobi oblongi v. oblougo-elliptici, subaequales. Corollae 

 calycem triple usque quadruplo superantis et IV, cm. longae tubo rylin- 

 drico, basi paulo inflate, apicem versus paulo Iatiore, extus pallide lilacmo 

 sparsim breviter pilosulo, intus dense purpureo-punctato; corollae liuibo 

 albo, lobis ovalibus, linea violacea augusta pictis, erecto-patentibus, 

 sapremis vix brevioribus. Filameuta fiUformia, inclusa, ima corollae basi 



