ORCHIDEiE. 



35? 



783. SERAPIAS. 



1 . oxyglottis. Callus at the base of the 

 Label simple. Terminal Div. ovato-lanceolate, 

 acmninate, almost smooth, about equalling 

 petals. Bracts abovxt as long as flowers. Se- 

 cond Tuber stalked, p. 5. Dry fields and 

 woods. It. 



2. parviflora. Callus double. Terminal 

 Div. of Label lineari-lanceolate, acute, about as 

 long as petals, not adpressed to germen. Bracts 

 aciuninate, rather shorter than flowers, p. 3, 

 4. Open hills on coast. Sic. 



3. Iiingua. Callus double. Terminal Div. 

 of Label ovato-lanceolate, acuminate, bearded, 

 3 or 4 times as long as petals, adpressed to 

 germen. Bracts exceeding flowers, p. 5. 

 JDry hills. Mte. Testaccio and about Rome. 



4. cordigera. Callus double. Terminal 

 Div. cordate, acuminate, bearded. Bracts 

 shorter than flowers, p. 5. Sandy. Trieste. 

 mdt. ¥r. It. 



5. triloba. Callus double. Terminal Div. 

 of Label 3-lobed, denticulate, obtuse, with a 

 small apicnlus. p. 5. Meadows. Gen. Trieste. 

 Very rare. 



764. GOODYERA. 



1. repens. L. ovate. Spike spiral. Point 

 of Nectary elongate, deflexed. p. 7. Mossy 

 woods. Sc. Genn. i-are. Woody hills. Fr. 



765. SPIRANTHES. 



1. spiralis. Tubers ovato-ohlong. Root- 

 L. ovate, spreading. Stem sheathed wdth 

 bract-like L. El. in a single spiral row. Label 

 obcordate. Lateral Sep. quite separate, p. 8, 

 9. Mill pastures. 



2. sestivalis. Tubers subcylindrical. Root- 

 L. lanceolate, erect. Stem leafy. El. in a 

 single spiral row. Label ovate. Lateral Sep. 

 quite separate, p. 7- Moist meadows, rare. 



8. cenma. Root of 2 long, cylindrical 

 tubers. L. lanceolate, erect. PL in 3 spiral 

 rows. Sep. and Pet. united. Label oblong, 

 contracted in the middle, p. 8, 9. Bearhaven, 

 CO. Cork. 



766. NEOTTIA. 



1. Nidus-Avis. Leafless. Stem clothed 

 with sheathing scales. Label with two spread- 

 ing lobes. Root a multitude of cylindrical 



fleshy fibres. 

 woods. 



p. 



5, 6. Parasitic on roots in 



767. HERMINIUM. 



1. Monorchis. Middle lobe of Label 

 longest. Pet. with a lobe on each side. Root- 

 L. 2, lanceolate, p. 5, 6. Calc. pastures. 

 Scattered. 



768. LISTERA. 



1. ovata. L. 2, oval, opposite. Label of 

 2 linear, parallel lobes. Column crested, p. 

 5, 6. Woods and pastures. 



2. cordata. L. 2, cordate, opposite. Label 

 of 4 lobes. Column without a crest, p. 7. 

 Moors and shady mountains. Br. Alps. 

 Vosges. Pyr. 



769. EPIPACTIS. 



A. Germen twisted. Sepals suhconnivent. 



1. grandifiora. Label obtuse, shorter than 

 calyx, with elevated lines on the disc. (Sep. 

 obtuse, Koch.) Bracts longer than the smooth 

 germen. L. elliptic. Root creeping, p. 6. 

 Woods. Scattered. 



2. ensifolia. Label very obtuse, half 

 as long as calyx, with elevated lines on the 

 disc. (Sep. acute, Koch.) Bracts very much 

 shorter than germen. L. lanceolate. Roots 

 clustered, p. 5, 6. Woods. Rare. 



3. comosa. " Label cordate, entire, about 

 as long as calyx. Bracts linear, ciKolate, 

 about 6 times as long as flowers. L. ovate 

 and lanceolate, reflexed. p. 6, 7. Shady 

 hills. Bosco del Peudo di Chiusa, Sic." — 

 Guss. 



4. Maravigni. " Label ovate, acute, 

 sometimes 3-lobed, shorter than the spreading, 

 linear, acuminate sepals. Bracts lanceolate; 

 lower about equalling germen. L. lanceolate ; 

 upper long linear, far exceeding the dense, 

 many-flowered spike, p. 5, 6. Shady hills. 

 Mind.. AHa Cerita above Catania." — Guss. 



5 . rubra. Label acuminate, about equalling 

 calyx, with waving lines on the disc. (Sep. 

 acuminate, Koch.) Bracts longer than the 

 downy germen. p. 6, 7. Warm calc. hills. 

 Scattered. 



B. Germen not twisted. Sepals spreading. 



6. latifolia. Label roundish cordate, entire, 

 obtuse, with a small recurved point ; shorter 



