— 357 — 



Inter omnes species sectionis Urospadix spatha lata 

 excellit. 



24. — A. firmum Engl. n. sp, in Beitr. 

 VIII, 460; caudicLili scandentis internodiis brevi- 

 bus; cataphyllis mox destructis; ioXxorviVcv petiolo 

 quam lamina paullo breviore, valde compressa, 

 supra piano vel leviter canaliculate, longe ge- 

 niculate, lamina coriacea anguste lanceolata^ 

 basi acuta, apice longe acuminata, nervis late- 

 ralibus numerosis angulo acutissimo adscenden- 

 tibus parallelis, nervo collectivo a margine paul- 

 lum remote conjunctis. — Inflorescentia deest. 



Caudiculi 1-2 cm. longi. Folioriim petiolus 2-2,5 ^'^'^• 

 longus, geniculo 1,5-2 cm. longo instructus, lamina 3-4 dm. 

 longa, medio 6-8 cm. lata, utrinque aequaliter angustata, 

 longe acuminata. 



Canas Gordas, 11 00 m., Costa Rica S. (Pitt. n. 11 130). 

 Distrib. : Costa Rica. 



25. — A. Durandii Engl. n. sp. in Beitr. 

 VIII, 401; caudice brevi; cataphyllis destruc- 

 tis stupposis; foliorum petiolo dorso rotundato 

 supra anguste canaliculato, geniculo brevi ins- 

 truct©, quam lamina paullo breviore lamina co- 

 riacea^ utrinque densiuscule nigro-punctata, 

 oblonga, a medio in geniculum cuneatim angus- 

 tata^ obtusa et breviter acuminata, nervis late- 

 ralibus I pluribus adscendentlbus in nervum 

 collectivum validiorem a margine (circ. 1/7 la- 

 teris) remottim conjunctis, nervo collectivo altero 

 *inferne a margine pau Hum remoto, superne mar- 

 ginali; pedunculo tenui folium aequante vel su- 

 perante; spatha late lineari quam spadix fere 

 triplo breviore; spadice sessili elongate tenuiter 

 cylindrice; tepalis lengitudine sua paullo latie- 

 ribus, atropurpureis. 



23 



