40 



INDEX. 



HOMOCLADIA. 



capitata, xxix, 13, 15. 

 filiformis, xxix, 16-18. 



HYALODICTYA. 



Dianse, Ixviii, 31. 



HYALODISCUS. 



laevis, lix, 2. 

 maxim us, lix, 7, S. 

 retioulatus, ex, 8. 

 Stelliger, lix, 6. 

 snbtiles, " 3. 

 Wliitneyi, " 5. 

 HYDROSERA. 



triguetra, cv, 9-12. 



ISTHMIA. 



enervis, cix, 6-9. 

 nervosa, " 1-5. 



LIOMOPHORA. 



Californica, xlvii, 22, 32a. 

 flavellata, xxix, 1, 2: xlvii, 



27-29. 



gracilis, xlvii, 30, 31. 

 Jurgensii, xxix, 12; xlvii, 33, ! 



34. 



papeana, xxii, 26, 27. 

 tincta, xlvii, 35, 37. 



LlOSTEPHANIA. 



compta, Ixii, 21. 



LlKADISCTJS. 



ininitus, Ixiii, 14-lii. 



LlTHODESMITJM. 



coiitractnm, Ixii, 2S. 

 MASTOGLOIA. 



angulata, cvii, 10. 

 apiculata, v, 24. 

 elegans, cvii, 8. 

 exigua, xxx, 15, 1(5. 

 Grevillei, " 17, 18. 

 Kinsmanii, xxv, 2(5, 27. 

 lanceolata, xxx, 19. 

 Smithii, " 21, 2:;. 

 submarginata, cvii, 11. 



MASTOGONIA. 



crux, lix, 1. 



heptagonia, lix, 9. 



sexangnlata, Ixii, 18. 

 MELOSIBA. 



Americana, Ivii, 10. 



arenaria, Iviii, 5-7; cxii, 2. 



Baileyi, Ixxiv, 9, 10. 



Horreri, Iviii, SI 1. 



METjOSIRA. 



davigera, Iviii, 16. 

 crenulata, Ivii, 16-20. 

 crotonensis, Ivii, 6. 

 distans, Ivii, 20-32, 36. 

 grainilata, Ivii, 7-9, 21, 22, 33. 

 horologium, Ixiii, 20, 21. 

 Huttonia, ciii, 13. 

 nummuloides, Ivii, 1-5. 

 orichalcea, Iviii, 17, 18. 

 scalaris, Ivii, 23-25, 28. 

 sculpta, " 34, 35; Iviii, 3, 4. 

 sol, Iviii, 1, 2. 

 spiralis, Ivii, 26, 27, 29. 

 snlcata, Iviii, 12-15. 

 undulata, cxii, 4, 5. 

 variaus, Ivii, 11-15. 



MERIDION. 



circulare, xxxvii, 24, 25, 27, 28; 



cxi, 15, 16. 

 intermedium, xxxvii, 26, 29, 30. 



NAVICTJLA. 



acrosphaeria, xxi, 8, 9, 11. 

 acuminata, xvi, 15; xx, 5. 

 affinis, xiv, 1, 2. 

 amphigomphus, xviii, 10; 



xix, 5. 



amphionys, xxiii, 24, 25. 

 Americana, x, 51. 

 amphirhyncus,xiv,3,4; xix, 13. 

 amphisbsena, xix, 23. 

 angelorum, xi, 3. 

 Anglica, x, 1. 

 angusta, x, 34. 

 apiculata, xiv, 13, 14. 

 apis, xvi, 19. 

 approximate, xvi, 18. 

 aspcra, xx, 4. 

 Bacillum, x, 29, 30. 

 Baileyana, xxiv, 3, 4. 

 bi'noides, xvii, 23. 

 bioculata, xii, 13. 

 Bleischii, xviii. 9. 

 Boeckii, xxv, 8, 9. 

 Bohemica, ix, 46. 

 Bomboides, xii, 17. 

 Bombus, x, 47, 50; xxiii, 3. 

 Borealis, ix, 23, 24. 

 brasiliensis, xiv, 21. 

 Brannii, Ixviii, 13. 

 Brebissonii, x, 26; xix, 16-19. 

 brcvis. x, 7, 17. 



