28 Systematik und Pflanzengeographie. 



§§ Sepals and petals l'/2 in. long. 



31. V. Columbiana Rolfe, 

 ff Nerves of lip learing small foliaceous appendages. 



Lip with broad subobtuse apex. 32. F. bicolor Lindl. 

 Lip with narrow acute ape. 



33. V. appendiculata Rolfe. 

 ** Leaves linear-oblong or linear-Ianceolate. 

 a. Leaves over an inch broad. 



Leaves broadta base. Brazilian-Species. 



34. V. Chamissonis Klotzsch. 

 Leaves somewhat narrowed at base. Peruvian-Speciea. 



35. V. Eoiziana Klotzsch. 

 ß. Leaves ^j-i to scarcely an inch broad. 

 Leaves ensiform, 7 — 10 lin. broad. 



36. V, ensifolia Rolfe. 

 Leaves linear-Ianceolate, 5 — 7 inch. broad. 



37. V. odorata Presl. 

 B. Sterns aphylions, or with leaves reduced to bract-like Sscales. 



Section Äphyllae. 

 * Sepals and petals 1 — 1' 4, or rarely 2 inch. long, 

 t Westindian Species. 



a. Scales '/a — 2 in. long, and rather narrow. 



Disc. of lip glabious or nearly so. 38. V. claviculata Sw. 



Diso, of lip barbellate. 39. V. barbellata Rchb. fil. 



b. Scales 2'/.; — 3'/2 inch. long, and rather broader. 



40. F. Eggersii Rolfe. 

 ff Asiatic Species. 



a. Hairs on disc of lip 2 or more lines long. 



Hairs on disc of lip arranged in a single median line. 



41. F. aphylla Blume. 

 Hairs on disc of lip numerous and spreading. 

 Lip 3 lobed, with broad side lobes. 



42. F. Parishii Rchb. fil. 

 Lip obscurely 3 lobed. 43. F. calopogon Rchb. fil. 



b. Hairs on disc of lip under 1 inch. long. 



44. F. Wightiana Lindl. 

 ** Sepals and petals 2 — 3^/8 in. long. 



a. Lip glabrous with two pubescent lines from base to middle. 



1. Ceylon-Species. 45. F. Walkeriae Wright. 



2. African-Species. 



Continental African Species. 46. F. RoscJieri Rchb. fil. 



Mascarene Species. 

 Hairy lines of disc nearly obsolete (Madag). 



47. F. Madacascariensis Rolfe. 

 Disc with two broad pubescent lines below middle (Seychelles). 



48. F. Phalaenopsis Rchb. fil. 



b. Lip veivety, disc villose towards the centre. 



49. F. HumUotii Rchb. fil. 



Section doubtful. Lip margined and veined with daik violet. Santo 



Domingo. 50. F. Poilaei Rchb. fil. 



Als zweifelhafte oder auszuschliessende Species giebt Bolfe an: 



F. acutifolia Lodd., angustifolia Willd., axillaris Mill., fascicola Spreng., 



plerosperma Lindl., rubiginosa Griff., sj)eciosa Boxall. 



Als Supplement erschienen die Beschreibungen von 13. V. crenu- 

 lata Rolfe und 16a. imperialis Kraenzl. 



E. Roth (Halle a. S.). 



Arcangeli, G., Süll' Arum italicum. (Bullettino della Societk 

 Botanica Italiana. Firenze 1896. p. 321—324.) 



Bekanntlich sind die Blätter von Arum Italicum Mill. bald grün, 

 ■B»ald panachirt. Verf. hat den Gegenstand, sowohl im botanischen Garten 



