— 36i — 



gato-triangularilonge acuminatOy nervis latera- 

 libus I. circ, lo costalibus adscendentibus atque 

 circ. 4 basalibus^fere omnibus nervo colledivo a 

 margine remoto conjunctis, nervis basalibus 2-3 

 infimis in costulas posticas breves in sinu denu- 

 datas conjunctis, pedunculo quam petiolus bre- 

 viore, spatha late lanceolata, acuminata; spadi- 

 ce longe stipitato crasso cylindrico spatham ae- 

 quante; tepalis linearibus; pistillo elongate co- 

 noideo tepala aequante. 



Foliorum petiolus circ. 5 dm. longus, lamina circ. 4 

 dm. longa, 1,8 dm. lata, lobis posticis 2,5 cm. tantum lon- 

 gis, 8 cm. latis, nervis lateralibus I inter se circ. 2-3 cm. 

 distantibus, nervo collective a margine 2-3 cm. remoto. — 

 Spatha 1,5 dm. longa, 3 cm. lata. Spadix stipite 2 cm. Ion- 

 go suffultus, fructifer 1,3 dm. longus, 1,8 cm. crassus. Te- 

 pala spadicis fructiferi fere 6 mm. longi. Pistilla matures- 

 centia 6 mm. longa. 



Rancho Flores, massif de Barba, 2100 m. (Tond. n. 

 2295); forets du Copey, 1800 m. (Tond. n. 1226b, 12269). 

 Distrib. : Costa Rica. 



35. — A. obtusilobum Schott.; Beitr. VIII, 423. — San 

 Miguel de Sarapiqui (Wendland). 

 Distrib. : Costa Rica. 



36. — A. tsakianum Engl. n. sp. in Beitr. 

 VIII, 423; caudicauli internodiis brevibus; ca- 

 taphyllis lanceolatis brevibus rigidis; foliorum 

 petiolo basi vaginato quam lamina longiore, la- 

 mina subcoriacea pallide viridi, oblongo-sagitta- 

 ta, lobis posticis oblongis sinu angusto oblongo 

 sejunctis quain anticus triplo brevioribus^ ner- 

 vis lateralibus I lobi antici circ. 5 tenuibus ar- 

 cuatim adscendentibus cum basalibus 2 in ner- 

 vum collectivum a margine paullum remotum 

 conjunctis, nervis loborum posticorum. j-^ re- 

 trorsis in costas posticas in sinu longe denuda- 

 tas conjunctis; pedunculo petioliim subaequan- 



