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Sarcanthus lilacinus J. J. S. n. sp. 



Caulis elongatus. Folia lorata, apice profunde inae- 

 qualiter biloba, lobis obtusis interdum apiculatis, mucrone 

 obscuro, basi conduplicato-canaliculata, costa media supra 

 sulcata, subtus obtuse carinata, carnosa, rigida, nitidius- 

 cula, viridia, c. 14.5 cm. longa, 1.8 cm. lata; vaginae 

 tubulosae, apice excisae, transverse rugosae, internodiis 

 longiores. Inflorescentiae elongatae, foliis longiores, sim- 

 plices (?), laxe multiflorae. Pedunculus tenuis, teres, 

 viridis, atroviolaceo-punctatüs, c. 13 cm. longus, vaginis 

 paucis brevibus tubulosis tectus. Rachis alato-angulata, 

 c. 9 cm. longa. Bracteae parvae, 3angulae, fere 0.2 cm. 

 longae. Flores ad 18, roseo-lilacini, c. 1.15 cm. lati. 

 Sepala patentia, ovata, apice angustato obtusa, basi con- 

 tracta, concava, carnosa, extus nitida, pallide rosea, 

 apicem versus paulum flavescenti-tincta ; sepalum dorsale 

 c. 0.63 cm. longum, 0.4 cm. latum, lateralia vix obli- 

 qua, 0.57 cm. longa, 0.37 cm. lata. Petala incurva, 

 valde obliqua, late obovata, basi spathulato-contracta 

 angusta, apice obtusissimo, margine inferiore dilatato- 

 rotundato, concava, c. 0.5 cm. longa, 0.38 cm. lata. 

 Labellum basi gynostemii adnatum, a gynostemio distans, 

 trilobum, calcaratum, carnosum, totum 0.7 cm. longum; 

 lobi laterales [pars libera] late trianguli, bidentati, con- 

 cavi, margine antico dilatato incurvo, majore parte pur- 

 pureo-lilacina, basin versus pallidiores, margine superiore 

 dilute flavo intus ad basin incrasato ; lobus medius de- 

 flexus, hastato-triangulus, obtusus, medio canaliculatus, 

 subtus convexus, carnosus, roseo-lilacinus, 0.2 cm. longus, 

 0.37 cm. latus, lobulis basilaribus parvis triangulis levi- 

 ter falcatis : calcar ovario parallelum retroversum, an- 

 guste cylindrico-conicum, fere rectum, obtusum, a septo 

 longitudinali antice inter lobos in callum carnosum in- 

 crassato complete biloculare, nitidum, roseo-lilacinum, 



