ARACEAE (AUCTORE ENGLER). 121 
approximatis, nervis IL. subparallelis venisque reticulatis nervo 
collectivo intimo a margine longiuscule remoto rarius magis ap- 
proximato, nervo collectivo altero marginali, pedunculis folio sub- 
aequilongis crassis teretiusculis glauco-viridibus; spatha oblongo- ` 
lanceolata, basi lata convoluta, apice abrupte cuspidulata, coriacea, 
viridi, intus rubescente; spadice breviter stipitato vel sessili, spatham 
superante, e basi crassa apicem versus attenuato; baccis obo- 
voideis albidis vel sordide violascentibus, vertice virentibus. — 
Kunth. En. III. 68; Schott Prodr. 480!; Saunders Refug. t. 270; 
Engl. L c. p. 83. t. 10. — Pothos coriacea Graham in Edinb. 
Phil. Journ. Apr. 1826; Hook. Exot. Fl t. 210. — A. glaucum 
Schott Melet. I. 22. — A. glaucescens Kunth En. DL 73. — Pothos 
subcaulescens Vell. Flor. Flum. t. 122. — Pothos reflexa Hort. 
Brasilia (Sello, Moller); prov. Rio de Janeiro (Riedel in h. 
Hort. Petrop., Luschnath, Gaudichaud in h. DC.). 
24. A. lancifolium (Schott in Oest. Bot. Zeitschr. 1858 
p. 180); foliorum petiolis tenuibus, geniculo longulo instructis, 
quam lamina paullo brevioribus vel eiaequilongis; lamina lanceo- 
lato-oblonga, basin versus sensim vel repentino cuneata, summo 
apice repentino in cuspidem longam atque angustam contracta, 
nervis I. utrinque circ. 18 —25 patentibus in nervum colleetivum 
a margine paullum remotum conjunctis; spatha lineari-lanceolata, 
acutata, basi longule decurrente; spadice myosuroideo quam spatha 
paullo longiore. — Schott Prodr. 480; Oerst. 1. c. p. 69. 
Foliorum petioli 3—4 dm. longi, lamina 2—3 dm. longa, 6—7 
cm. lata, e medio utrinque aequaliter angustata, nervo collectivo 
a margine 2—3 mm. remoto. Pedunculus tenuis 3 dm. longus, 
2 mm. crassus. Spatha 5—6 cm. longa, 7—8 mm. lata. Spadix 
6 cm. longus, 3 mm. crassus. 
Habitat in Costa-Rica, Volean de Turialba (Wendland). 
. 25. A. Willdenowii (Kunth En. HI. 71); foliorum pe- 
tiolis laminae !|5—!|, aequantibus vel paullo superantibus, semi- 
3 teretibus, leviter canaliculatis, geniculo longulo tumido instructis; 
a valde coriacea, lanceolato-oblonga, utrinque leviter arcuatim 
angustata, apice obtuso brevissime apiculata, basi ima cuneata, 
costa teretiuscula, nervis lateralibus I. utrinque circ. 20—30 aperte 
patentibus, retiusculis in nervum collectivum a margine (medio 
