x CONTENTS. 
Page. 
RELATIONSHIPS OF THE FatsE Date Patm or THE FLoripa Keys, WITH A 
SyNopTicaAL KEY TO THE FAMILIES OF AMERICAN Patms. By O. F. Cook... 243 
The genus Pseudophoenix and the family Pseudophoenicaceae.......... 243 
Pseudophoenix an isolated type... ..........0.020202-2-0- 2-0 e eee 243 
Analogies with fan palms and true date palms. ...................-.- 243 
Alleged relationships with other pinnate-leaved palms. ............. 244 
Fruit characters...........00- 22220. e cece cece cece ce eee eee eee ee 245 
Pseudophoenix the type of a new family...................2.222---- 246 
Floral peculiarities of Pseudophoenix.............2..2..2--000e ee eee 247 
The Pseudophoenicaceae and allied families distinguished by fruit 
characters.........0. 2000222 e eee cece ee ee ce ee eee eee eeeeeeeeee 248 
Comparison of Pseudophoenix with the wax palms of Colombia...... 249 
Comparison of characters with those of cocoid palms................- 250 
Germination characters. .......-..-2-. 2222002220 e cece eee e eee 250 
Endocarp characters. ...-. 2.2.22. -. 20.2022 cece cece eee eeeeeee 250 
The families of American palms...............2.2.20--222eeeceeeeeeeees 251 
Characters and synoptical key...............2.0.2022-0-0-eceeeeeeee 251 
Alliances with Old World palms. ...............2..2.0.0-00-0-----0-- 253 
THe Genus EprenyLium AND ITs ALLIEs. By N. LL. Britton and J. N. Rose.. 255 
Introduction.............02.20 0222 e eee eee ce eee eee e ee 255 
Systematic treatment. ......-.-. 2.2.2.2. ee eee eee eee 255 
ANNONA SERICEA AND ITs Atiuies. By William FE. Safford. ................. 263 
Introduction......... 2.22.0... e eee ec eee cece eee ence eeceeees 263 
Systematic treatment. ......... 2.20.20. 0.22 e eee cece eeeee 263 
NOMENCLATURE OF THE SAPoTE AND THE Sapopitia. By O. F. Cook...-..-- 277 
Introduction............-2.. 2.0202 e eee e eee ec ee cee eee eee eeeees 277 
Confusion of vernacular names. ......-...-2--- 2.20202 02 cece eee eee eee 278 
Essential differences.............-.-.22-2 22222222 e cece eee eee eee ee 278 
Plumier’s account of the sapodilla.. ©... 2.2.2... e cece eee 279 
Achras substituted for Sapota........--....2..0. 20.2222 cece eee eee eee 280 
Confusion of species by Linneus......-...-..... 2.222022 2 222 eee eee ee eee 280 
Adjustment of Linnwan names...............-..-2 2-22. 2ec eee ee ence eee 281 
Two varieties of sapodilla named by Jacquin. ..-................2.-22--- 281 
The name Sapota not to be revived. ..........22.22.-.0-002002220 2c eee eee 282 
Lucuma and Vitellaria not applicable to the sapote...........2..2...-.. 283 
Calospermum and Calocarpum as homonyms.................2.2.222---- 283 
A new generic name for the sapote................222 2-222. eee eee eee eee 284 
Summary of principal synonyms...................22222 cece eee cece eee 285 
A MonoGRaPH OF THE HAUYEAE AND GONGYLOCARPEAE, TRIBES OF THE ONA- 
GRACEAE. By John Donnell Smith and J. N. Rose.............2.......20. 287 
Introduction............. 2.22.22 2222 ence eee ee ee eeeeee 287 
Systematic treatment. .........-2 2-22. 2 eee eee ce eee eee 287 
BoTRYCHIUM VIRGINIANUM AND ITs rors, By Ivar Tidestrom............. 299 
Botrychium virginianum.............2..2.22 22-0220 cece eee eee ee eeee 299 
Botrychium dichronum......... we eee eee eee eee eee e eee 301 
Botrychium brachystachys.........----. 2.22222. 0eee cece cece cee cececeee 302 
Conclusion... .. a TTT nt ee eee ee ee eee eee eee eee eens 303 
SPHENOCLEA ZEYLANICA AND CAPERONIA PALUSTRIS IN THE SOUTHERN UNITED 
Stares, By Ivar Tidestrom............-..2. 2.0.0.2 c cece eee e ce eee ee eee 305 
Sphenoclea zeylanica. ........2 2.22222. 2 222 cece eee cece eee eens 305 
Caperonia palustris. ..........2...2 2.22222 e eee ee eee e eee e eee 307 
Piant Recorps or an Expepirion ro Lower Cauirornia. By Edward A, 
Goldman..............2. 2202222 e cece ee eeeeee 309 
Introduction... ..... 2.2.0. 20 2.22 e eee cee cece cee cece eeeene 309 
