
CONTENTS. 
Page. 
1 Ere Boy RTO sp Ne TE rh een 57 
Heqramicsplanks 1m pertectly: howe se esens ee ee 58 
Marenalsinchuded and arrangement of list. --___ = 4212. 22_.---42---_- 58 
INBisipllexeec! GOmmcmoray sme bones eee eee ea ee eee 59 
MSKerenceEsOsNOtAmICal literature js 9.0 eka) USM en ie oe ee bee 60 
TROGIR: Gin, ELON Os TTC a yey Fema TS NN as aye at Sep Ele ae aa 60 
Personal field work. acknowledgements, and desideratum -____._ _____ 62 
Saptlecswerot economic plants. of Porto Ricdes 2225 52055525 2 oe 63 
ILLUSTRATIONS. 
PLATES. 
PLATE XIII. Porto Rico Royal Palm (Roystonea borinquena) _____- Frontispiece. 
XLV. 
KY. 
RVI. 
XVII. 
XVIII. 
RIX. 
E XX. 
XX. 
XXII. 
XXII. 
XXIV. 
XXV. 
XXXVI. 
XXVII. 
XXVIII. 
XIX. 
XXX. 
AX. 
KXXIT. 
AXXITI. 
XXXIV. 
XXXV. 
Facing page. 
Okra (Abelmoschus esculentus) showing healthy and diseased 
fruits. From Santurce 
Acacia amarilla (Albizzia lebbek). Near Juana Diaz _______- 
PAI UNOUOATLULONUSs oN te © AS UIAS ee rene ee ee) sae aia Sh Lae 
PACTUAL TULL II xOL COLLEY Cite oh cy hen cor OL ca ce oI aatew pega es ou SpR Palas 
DUG OMOMsLEDLOPUS. .COAMO, SPT sas = 92 sie nee easy es 
Flamboyant blanco (Bauhinia kappleri). Coamo Springs_-- 
Ucar tree (Bucida buceras). Coamo Springs_________._____- 
Alnacigo (Bursera simaruba). Coamo Springs ____________- 
Algodon de seda (Calotropis procera). Road near Guayama_ 
Palo de burro (Capparis cynophallophora), fruit and leaves__ 
Ceiba tree (Ceiba pentandra). Near Ponce 
Stem and edible fruit of Cereus sp. At Guayama 
NCEEO (CFV SOODNICHDUIS. UBC) 2. oe ae a 
Péndulo colorado (Citharexylum quadrangulare). Road 
between, Poncerand Ady umnitasiesa ae Wane re ie ee eee 
Cros, (CHSIO ROSGG))\g INGEN WEHNOOL 2 oy ES ee ee ee 
VOWS wens: (Conse UCC MOMOOOU)) . 2.222322) oe 
Moral tree (Cordia macrophylla). 
(CEI) (COGRCMOS TOUUC ICD eee 5 ed oe hee Fy io Ne ree he a 
Calabash tree (Crescentia cujete). Near Rio Piedras________- 
Ceraeoraall ire (CUCHHINUS CHOCMUFUC)) 222. oy oboe eb ee 
Virgin forest of tabonuco ( Dacryodes hexandra). At Isolina- 
Jaguey (Ficus lentiginosa). Road between Ponce and 
AN GGIAT TULA VSI cg Cele ae Neate Sess Pao GE NE Glen < Oy Ree as at eR oe ee 
63 
70 
73 
82 
82 
90 
