OF BRITISH PLANTS. 433 



Order XCI. ORCHIDE^. 



Perianth with six segments, the inner three petaloid, two being above, 

 and one, frequently lobed and spurred, below. Stamens three, united 

 in a central column, the lateral two, or sometimes the middle one, 

 abortive; pollen powdery or coherent in masses. Ovary one-celled, 

 inferior, with three parietal placentas ; style forming part of the column 

 with the stamens ; stigma a viscid space in front of the column. Cap- 

 sule three-valved ; seeds very numerous, minute, with a loose, reticu- 

 lated testa. 



OPHRYDE*. 6. Listera, 334, 339. 



1. Orchis, 334, 335. 7. Epipactis, 334, 340. 



2. Ophrys, 334, 338. MALAXIDEJE. 



3. Herminium, 334, 337. 8. Malaxis, 334, 341. 



NEOTTIE*. 9. Corallorhiza, 335, 341. 



4. Neottia, 334, 393. CYPRIPEDE/E. 



5. Goodyera, 334, 338. 10. Cypripedium, 334, 342. 



Order XCII. IRIDE.E. 



Perianth with six segments, petaloid, often unequal. Stamens three, 

 at the base of the outer segments ; anthers extrorse. Ovary inferior, 

 three-celled ; style one ; stigmas three, dilated, often petalliform. 

 Capsule three-celled, three-valved ; seeds numerous, hard, with a 

 cylindrical embryo, and generally horny albumen. 



1. Iris, 58, 64. 2. Trichonema, 58, 63. 



3. Crocus, 58,63. 



Order XCIII. AMARYLLIDE^E. 



Perianth with six segments, petaloid, unequal. Stamens six, at the 

 base of the segments ; anthers introrse. Ovary inferior, three-celled ; 

 style one ; stigmas three, dilated, often petalliform. Capsule three- 

 celled, three-valved ; seeds numerous, with the integument not hard, the 

 embryo straight. 



1. Narcissus, 163, 165. 2. Leucojum, 163, 165. 



3. Galanthus, 163, 164. 



Order XCIV. TAME/E. 



Perianth with six segments, petaloid. Stamens six, at the base of 

 the segments ; anthers introrse. Ovary inferior, three-celled ; ovules 

 two in each cell, erect ; style one ;* stigmas three, reflexed. Fruit 

 bacciform, three-celled. Embryo minute, enclosed in the albumen. 



1. Tamus,367, 380. 



Section II. GLUMACE^E. 



Floral envelopes of alternate, imbricated bracteas or scales. 

 Order XCV. CYPERACE^. 



Flowers perfect or frequently monoecious, each having a chaff-like 

 scale on a common axis. Perianth none, or rarely membranous. Sta- 

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