fleshy cupuliform stigma, en!.— Fig. 11. Longitudinal section through an ovary showing 

 base of intraov. pistil springing from the axis, enl, — Fig. 12. Transversal section of ovary 

 near its base, in one of the cells a section of the descending branch of the intraovar. 

 pistil, enl.— Fig. 13. Same, a little higher, central ax is beginning to detach from the 

 placenta, enl.— Fig. 14. Same a little higher, the placenta is retiring from the central axis. 



Plate 10. 



• Hornstedtia, details of flower. 



Hornsledtia scyphifera Steud. 



Fig. 1. Flower laid open, showing rudiments of staminodes, n. s. — Fig. 2. Stamen, 

 from a bud, enl.— Fig. 3. Calyx and ovary from a decayed flower, n. s. 

 Hornstedtia Pininga Val. 



Fig. 4. Stamen, enl.— Fig. 5. Flower laid open, n. s. 

 Hornstedtia reticosa Val. 



Fig. 6. Flower, n.s.— Fig, 7. and 8. Labellum with the anterior petals.— Fig. 9. and 

 10. Stamen. 



Hornstedtia mollis Val. 



Fig. 11.— Flower, laid open, n. s.— Fig. 12. Idem, seen from front, n. s.— Fig. 13. 

 Flower limb in a young state, n.s.— Fig. 14. Same of an older flower, n. s. 

 Hornstedtia villosa Val. 



Fig. 15. Young flower, n. s.— Fig. 16. Limb laid open, dorsal petal not visible, n.s. 



Plate 11. 



Hornstedtia lycostoma K. Sch. 

 Fig. 1. Inflorescence, n.s.— Fig, 2. Flower in front and from above (drawing a little 

 schemazed), n.s — Fig. 3. Bracteole, n.s.— Fig. 4. Flower, laidopen, n.s.— Fig. 5. Calyx n.s.— 

 Fig. 6. Bud, enclosed by the calyx, n. s.— Fig. 7. Anther in front, enl.— Fig. 8. Anther 

 backside, enl.— Fig. 9. and 10. Stigma, enl. 



Plate 12. 



Hornstedtia cyathifera Val. 

 Fig. I. Part of rhizome with inflorescences, n.s.— Fig. 2. Flower from side, n. s.— 

 Fig, 3. Flower explanate, the anterior petals not visible being covered by the lip, n.s.— 

 Fig. 4. Anther, enl.— Fig. 5. and 6. Stigma, enl.— Fig. 7. Nectary, enl. 



Plate 13. 



H, rubra Val. 



Fig. 1. A rather small inflorescence, n. s.— Other infl. on the some stock reach a length of 

 180 mm., of which 110 come on the scape.— Fig.2. Bracteole, n. s.- Ftg.3. Flower, n. s.— Fig. 4. 

 Flower laid open, with the calyx (the latter unduly enlargened by the artist).— Fig. 5. Flower 

 laid open, the petals artificially loosened at their base, n.s.— Fig. 6. Petals, n.s.— Fig. 7. 

 Part of the faux with the sessile anther, enl.— Fig. 8. Nectary, enl.— Fig. 9. Flowering 

 bract, n.s.— Fig. 10. Outer bract, n.s. 



Fig. 1, 2,8 and 9 are drawn from dried material, Fig. 3— 7 from materials preserved 

 in alcohol. 



