82. ORCHIDACE. 305 
2. GYMNADENIA. Glands of the pollen-masses without a 
pouch. Otherwise like Orchis. 
3. Aczras. Lip without a spur. Otherwise like Orchis. 
** Cells of the anther without any process between their bases. 
4. Haspenaria. Perianth ringent, hooded. Lip 3-lobed or 
entire, spurred. Glands of pollen-masses naked. 
5. Opurys. Perianth patent. Lip variously lobed, without 
aspur. Glands of pollen-masses each in a distinct pouch. 
6. Herminium. Perianth bellshaped, segments all erect. 
Lip 3-lobed, tumid beneath at the base, without a spur. 
Glands of the stalks of the pollen-masses exserted, naked. 
Tr. Il. LIMODORE. Pollen-masses granular, granules in 
only a slight state of cohesion. Anthers free. 
* Stigma rostellated. 
7. Goopynra. Perianth ringent. Lip saccate at the base, 
entire, included. Stigma subcordate. Rostellum erect, bi- 
partite, with a large squarish appendage between its slender 
segments. 
8. SprranrHes. Perianth ringent. Lip channeled, clawed, 
fringed. Stigma roundish. Rostellum straight, bifid with 
an elongate linear appendage between its points. 
9. Listera. Perianth ringent. Lip deflexed, 2-lobed. Stigma 
transverse. Rostellum elongated, entire, acute, with a mi- 
nute globose appendage at its somewhat reflexed apex. 
Column very short. 
10. Neorri1a. Perianth hooded. Lip deflexed, 2-lobed, sac- 
cate at the base. Stigma transverse. Rostellum flat. broad, 
prominent, entire, without an appendage. Column elongated. 
ll. Eprpactts. Perianth patent. Lip interrupted, the basal 
division concave, terminal one (label) larger with 2 projecting 
plates at its base above. Stigma nearly square. Rostellum 
short, tenninated by a globose appendage. Anth. terminal, 
erect, sessile, 2-celled; cells without septa. Column short. 
Germen straight, on a twisted stalk. 
** Stigma without a rostellum. 
12. CEPHALANTHERA. Perianth converging (in C. rubra 
spreading). Lip interrupted, the basal division saccate, jointed 
to the recurved label. Stigma transverse. Rostellum 0, 
Anth. terminal, erect, moveable, shortly and thickly stalked, 
