PLATE 
ILLUSTRATIONS. 
PLATES. 
Facing page. 
1. Forms of Asplenium monanthes L. ....------ 0202s cere teeter rere 150 
2. Odontosoria jenmant Maxon... ...---+----e+- eee eect err eee esters 163 
3. Odontosoria wrightiana Maxon... ..-------+-+++- eee teeter rere 164 
4. Odontosoria fumarioides (Swartz) J. Smith ...-..--------++++e++- 166 
5. Odontosoria gymnogrammoides Christ......--------+++++ereerereeee 167 
6. Bommeria subpaleacea Maxon.......-----+--+-02ec eect r terres eres 169 
7. Lycopodium brachiatum Maxon. ...---------+-+++++2+e2eerrteretee 176 
8. Lycopodium chiricanum Maxon... ...-------+-+++2eerr etree crete 176 
9. Lycopodium guatemalense Maxon and L. underwoodianum Maxon... 177 
10. Lycopodium tubulosum Maxon. ....------+-+++++22+eeeceere rr ttte 178 
11. A, B. Polypodium myosuroides Swartz...-------++--++-+22+e5erree 401 
12. A, B. Polypodium delitescens Maxon....-------+++++--------20000- 404 
13. A. Polypodium perpusillum Maxon; B. Polypodium shaferi Maxon.. 410 
14. Polypodiwm mitchellae Baker. ....-.----++--++++2eeeerrrree terres 410 
15. Psilogramme portoricensis Maxon......--+----+---+++002eee errr ree 412 
16. Hemitelia rudis Maxon........--------2 eee eee reece teeters 418 
17. Hemitelia sessilifolia Jenman.......-------+-+2+20e erect rere eee 416 
18. Hemitelia wilsoni Hook....---- bocce ec eee eee eens eee c eee eeeeenee 416 
19. Hemitelia sherringii Jenman. ........-.------ +222 errr eee rere eeeee 417 
20. Hemitelia calolepis D. C. Eaton. ..-.------------- 22 creer reer eee 417 
21. A, B, C. Hemitelia costaricensis (Klotzsch) Mett....-.-------+------ 417 
29. Hemitelia muricata (Willd.) Fée.....-------+------ 2 er eee e trees 420 
23. Lycopodium regnellit Maxon. ...----------- +++ +2 2s errr reer ecreee 424 
24. Bisboeckelera vinacea Standley....----------------------ererr ree: 429 
25. Phaseolus spectabilis Standley..-.-..------------+++ecrererrerecee 430 
26. Cobaea hookeriana Standley... -...-.---------++-+sererrrcer reese 452 
27. Cobaea panamensis Standley. .....-----------++++ere rte ererereee 452 
28. Cobaea gracilis (Orst.) Hemsl........-.---------+-++2 +e errr eeceeee 453 
29. Cobaea pachysepala Standley....-.-------- cece eee cece eee eeeeeeee 456 
30. Cobaea biaurita Standley.......-------- +++ -- 222 eer ett erect 457 
31. Cobaea pringlei (House) Standley...-----------+---++++e++5+0e55+- 458 
32. Polypodium limula Christ. ....---.- +--+ +2202 2ee er ecc cre r terete 546 
33. Polypodium hartii Baker.....-.----++----++-+20ecere rrr t errs 546 
34. Polypodium williamsti Maxon.....---------++++++02e reer erettttee 546 
35. Polypodium trichomanoides Swartz....--.------+++++--e 2202 rte eee 550 
36. Polypodium basiattenuatum Jenman...----------+++----+2255retee 550 
37. A, B. Polypodium nimbatum Jenman.....----.--+--+------+2+25200+ 554 
38. Polypodium taenifolium Jenman. ....----------++---+2220ererrtee 554 
39. Polypodium tweedianum Hook. ..-..--------++-+++++022rr errr 574 
40. Polypodium guttatum Maxon ......-----------++2+05re rr ertrreree 576 
41. Polypodium collinsti Maxon...-.---------- Lecce eee eee cece eeeeee 584 
42. Polypodium flecuosum Maxon.......--------+++2+eeeret rere ttre 598 
43. Polypodium chiricanum Maxon. ...------------- Lecce ee cee ee eeee 598 
44, Upright shoot of cacao. ......-------+-e++----- wee e cece ee eee eeee 612 
