CXXXIII. ORCHIDEZ (ROLFE). 
Racemes many-flowered, usually pen- 
dulous, 
Spur 4-8 in, long. 
Spur a little thicker near the 
apex, ~. - 
Spur not thickened at the apex 
Spur 3 in. or less long. 
Sepals and petals elliptic-ob- 
[| Angrecum. 
7. A. kotschyanum. 
8. A. Granti. 
long, apiculate 3 . 9. A. pachyurum, 
Sepals and petals lanceolate, acu- 
minate. 
Spur 4-5 in. long . , 10, A. avicularium. 
Spur 14-24 in. long. 
Sepals and petals broadly 
lanceolate ; . 11. A. bilobum. 
Sepals and petals narrowly 
lanceolate , 12. A. Batesi. 
Spur under 1 in. long. 
Leaves unequally bilobed, 
upper lobe subacute . 13. 4. flexuosum. 
Leaves obscurely bilobed or 
obliquely bidentate . 14. 4. henriquesianum. 
Column long and slender. 
Spur filiform, with narrow apex . 15. A. arachnopus. 
Spur filiform with clavate apex . 16. 4. gracillimum. 
Petals obovate, subobtuse or apiculate. 
Bracts ovate-oblong, 2—24 lin. long . 17. A. rhodostictum. 
Bracts triangular, minute 5 > , 18. A. luteo-album. 
+tSepals and petals 14-24 lin. long. 
Spur longer than the sepals and petals. 
~ Bracts shorter than the pedicels, 
Leaves 34-4 in. long, 6-8 lin. broad . 19. A. Rohrii. 
Leaves 2-3 in. long, 3-34} lin. broad . 20. A. Quintasii. 
Bracts longer than the pedicels. . 21. A, malangeanum. 
Spur shorter than the sepals and petals. 
Leaves 5-8 lin. broad j A . 22. A. dives. 
- Leaves 24 lin. broad . 23. A. occidentale. 
Leaves broader at the base than at the apex . 24, A. christyanum. 
** Stems more or less elongated, sometimes climbing. 
+Lip entire or with very short or obtuse side lobes. 
Lip 2 in. or more long. 
Lip elliptic-lanceolate. 
Western species . 
Eastern species ; e š 
Lip suborbicular-ovate or nearly quadrate. 
Racemes long, many-flowered 
Racemes short, 2—3-flowered. 
Leaves elliptical 
Leaves linear . ` 
Lip less than 4 in. long (unknown i in 35). 
Bracts spreading and rather crowded. 
Spur inflated at the apex (unknown in 
Bracts 24-33 lin. long . ` 
Bracts 1} ip ‘lin. long. 
25. A. Ellisii var. occi- 
dentale. 
26. A. Thomsoni. 
27. A. Giryame. 
28. A. eichlerianum. 
29. A. schællerianum, 
30. A. imbricatum. 
