670 CXLVIII. ORCHIDEZ. (J.D. Hooker.) [Epidendree. 
18. CHRysoGLossum. Scape tall, raceme long. Mentum saccate. Lip not 
jointed on the column.  Anther 2-celled. Pollinia 2, not connected. Leaf 
plaited. 
Subtribe 3. En1Ex. 
19. Erta. Peduncles I-many-fld., axillary or subterminal on a leafy stem or on 
a pseudobulb. Column short, produced into a foot. Habit very various. 
20. PHREATIa.  Peduncle lateral or from a leafless rootstock, flowers minute. 
Column very short, produced into a foot. Stem short, leaves distichous. 
21. Pacnystoma. Scape leafless, Sepals conniving. Column elongate, pro- 
duced into a foot. Capsule deflexed. Pseudobulb 1-2-leaved. 
22. SPATHOGLOTTIS. Scape distinct from the 1-2-leaved pseudobulb. Sepals 
spreading. Column elongate, foot 0. Capsule erect or nodding. Leaves elongate, 
plicate. 
Subtribe 4. BrzriEx. 
23. ACANTHEPHIPPIUM.  Sepals connate into a broad fleshy cup. Petals 
included, adnate to the base of the short column, which is prolonged into a long 
foot. Flower large in short few-fld. racemes. 
24. PHarvs. Flowers large, racemose. Sepals free. Lip gibbous or spurred, 
lateral lobes embracing the long column, which is not prolonged into a foot. Leaves 
often large, plaited. . 
25. NEPHELAPHYLLUM. Flowers racemose on a leafless scape. Sepals free. . Lip 
spurred. Column 2-winged, foot 0. Pseudobulb very narrowed above and joint 
with the membranous leaf. 
26. TarNIA. Flowers racemose on a leafless scape. Sepals and petals acute, 
caudate; lateral sepals inserted on the short foot of the column. Lip spurred or 
gibbous. Pseudobulbs thick, 1-leaved. . 
27. ANTHOGONIUM. Flowers racemose on a leafless scape. Sepals connate in ^ 
slender tube. Petals linear, claws free within the sepals. Column elongate, foot 0. 
Pollinia 4 (upper series wanting). Leaves few, grass-like, from a pseudobulb. 
Subtribe 5. CŒLOGYNEÆ. 
* Pseudobulb 0. Peduncle elongate, branched. Flowers small. 
28. JosEPHA. Lateral sepals forming a mentum. Column narrowly winged, 
foot O. Pollinia 4. 
** Flowers capitate. Lateral sepals forming a mentum with the foot 
of the column. 
29. GLOMERA. Stem leafy, Flowers in a dense head. Pollinia 4. u 
30. AGROSTOPHYLLUM. Stem leafy. Flowers in a dense head. Pollinia 8. 
31. CERATOSTYLIS. Flowers in a lax head, which is adnate to the solitary leaf. 
Coluinn with 2 long arms. Pollinia 8. 
*** Flowers spicate or racemose. Lateral sepals united in a mentum. å 
32. CRYPTOCHILUS. Pseudobulbs 1-2-leaved. Sepals connate in a 3-toothe 
tube. Clinandrum very broad; pollinia 8. . :nandrium 
33. TRICHOSMA. Stem not thickened, 2-leaved. Sepals spreading. Clinan 
elevated, toothed; pollinia 8. Flowers large. 
**** Flowers solitary, spicate or racemose. Sepals free. Column with- 
out a foot. 
34. CŒLOGYNE. Pseudobulbs distinct, 2-leaved. Lip sessile, its base embracing 
the elongate column.  Poilinia 4. Flowers racemose, often large. 
