422 AROIDEA. 
15. Philodendron oxycardium, Schott, Syn. Aroid. p. 82, et Prodr. Aroid. 
p. 241; Engler in DC. Monogr. Phanerog. ii. p. 386. 
Philodendron acrocardium, Schott in (Ester. Bot. Zeitschr. 1858, p. 179; Prodr. Aroid. p. 260. 
Philodendron isertianum, Schott, Prodr. Aroid. p. 242 (fide Engler). 
Guatema.a (Wendland).—St. THomas; Martinique; Braziu? 
16. Philodendron polytomum, Schott in Bonplandia, 1859, p. 164, et Prodr. 
Aroid. p. 293; Engler in DC. Monogr. Phanerog. ii. p. 420. 
Sourn Mexico, Hacienda de Santa Barbara, Colipa, Vera Cruz (Liebman), valley of 
- Cordova (Bovrgeau, 1788). Hb. Kew. 
17. Philodendron pterotum, K. Koch in Ind. Sem. Hort. Berol. 1854, 
Append. p. 6; Schott, Prodr. Aroid. p. 249; Engler in DC. Monogr. Phanerog. ii. 
p. 378. 
CenrraL America (Wendland). Cultivated specimens in Kew Herbarium. 
18. Philodendron radiatum, Schott in CEster. Bot. Wochenbl. iii. (1853), 
p. 378, et Prodr. Aroid. p. 292; Engler in DC. Monogr. Phanerog. ii. p. 418. 
Philodendron impolitum, Schott Prodr. Aroid. p. 291 (fide Engler). 
SootH Mexico (fide Schott); Nicaragua (Friedrichsthal). 
19. Philodendron sagittifolium, Liebm. Om Mexicos Aroideer, p. 7 (Vidensk. 
Meddel. 1850, p. 17); Schott, Prodr. Aroid. p. 272; Engler in DC. Monogr. Phanerog. 
li. p. 406. 
Philodendron tanyphyllum, Schott, Prodr. Aroid. p. 272 (fide Engler). 
South Mexico, in woods near Pital (Liebmann), valley of Cordova and Cuernavaca 
(Bourgeau, 1417, 2296). Hb. Kew. 
20. Philodendron sanguineum, Regel, Gartenflora, 1869, p. 196, t. 621; 
Engler in DC. Monogr. Phanerog. ii. p. 408. 
Soura Mexico, valley of Cordova (Karwinskt). 
21. Philodendron schottianum, Wendl. ex Schott in CEster. Bot. Zeitschr. 
1865, p. 72 ; Engler in DC. Monogr. Phanerog. ii. p. 390. 
Costa Rica (Wendland). 
22. Philodendron seguine, Schott in Bonplandia, 1859, p. 164, et Prody. 
Aroid. p. 231; Engler in DC. Monogr. Phanerog. ii. p. 359. 
SoutH Mexico, Oaxaca (Liebmann). 
23. Philodendron subovatum, Schott in CEster. Bot. Wochenbl. 1855, p. 289, 
et Prodr. Aroid. p. 255; Engler in DC. Monogr. Phanerog. ii. p. 400. 
Soutn Mexico (fide Schott). 
