POLLEN. 45 



CACTACE^:. According to Mohl, () spherical echinate with 3 bands ; 

 (6) spherical, smooth, with loop form. According to Hassall, 

 cylindric, 3-lobed. I find them as Mohl describes. 

 Cactus speciosus. P. xiii. 3. 

 *Opuntia monacantha, 25. 



polyantha. M. vi. 13. 



vulgaris. H. 



*Echinocactus Cummingii, 10. 

 *Mamillaria Gallottii, 10 

 quinquecaulis, 10. 



stellata. F. 



*Phyllocactus maltiflorus, 20. 

 * Halforsius, 12. 



* crenatus, 20. 



*Epiphyllum Russellii, 13. 



*Cereus flagelliformis, 16. M. ii. 12. F. 



*Rhipsalis salicornoides, 10. 



* sp., 8. 



* hexapteris, 11. 



DATTSCACE^E. 



Datisca cannabina. P. xviii. 7. M. 

 BEGONIACE^. Minute elliptic with slits. 



*Begonia, 4. 



nitida. P. xiii. 7. 



Oathcartii. Hf. Sik. 13. 



CTJCTTRBITACE^. According to Mohl, () a flattened spheroid with 3 

 bands and a papilla on each; (6) with a halo; (c) grows in 

 fours, each with 3 pleats ; (d) spherical echinate, with 8 to 12 

 large pores. I also find some trigonous. 

 *Bryonia dioica, 6. P. viii. 10. B. cxix. 20. L. vii. 35. M. 



alba. M. 



*Momordica Oharantia, 24. H. xvii. 135. 

 *Trichosanthes Anguina, 15. 

 *Cucumis Melo, 6. WS. 55. F. 



* sativus, 11. F. M. iii. 22; ix. 32. WS. 54. 



* Oolocynthis. M. iv. 15. 



* usitatissimus, 15. 



Oucurbita Pepo. M. iv. 16 ; xi. 14. L. vi. Sch. xvi. 20. Mir. 

 xxxi. 47. MD. xxxii. 22. Pol. iii. 47. 



* Melopepo, 30. P. vii. 11. 



* lagenaria, 22. M. v. 16. 



PASSLFLOREJE. According to Mohl, (a) elliptic, bent in the middle, with 

 6 furrows ; (b) spherical, rough cellular, 3 or 4 openings with 

 lids. 



*Carica Papaya, 11. 

 *Disemma coccinea, 15. 

 *Modecca palmata, 15. With 4 slits. 

 Melothria fcetida. M. 



*Passiflora cserulea, 12. H. xvii. 127. MD. xxxii. 23. WS. 53. 

 Mir. xxxi. 46. Poll. iii. 65. 



* capsularis, 12. 



* coccinea, 13. H. 



* Lowii, 20. Sch. xviii. 16. 



Kersemina. F. ii. 13. 



anomala. F. ii. 20. 



racemosa. F. 



angustifolia. M. ii. 25. 



aquilegifolia. MD. xxxii. 32. 



