APPENDIX B. 



BOTANICAL DESCEIPTIONS OF THE GENTJS CHINCHONA, AND 

 OF THE SPECIES OF CHINCHONA NOW GROWING IN 

 INDIA AND CEYLON. 



From Weddell, Howard's Pavon, Spruce, and Karsten. 



CHINCHONA. 

 (From WeddeWs ' Ilistoire Naturelle des Quinquinas,'' p. 17.) 



Calyx tuto turbinate, cum ovario connato, pubescente ; limbo supero, 5- 

 dentato, persistente ; dentibus in pra^floratione valvatis. 



Corolla hypocrateriformis, tubo tereti vel subpentagono, in angulis baseos 

 nonnunquam fisso, intus glabro yel rarissime pilosiusculo ; limbo 5-fido : 

 laciniis lauceolatis, intus glabris, margine piloso-bavbatis (pilis claviformi- 

 bus lanatis) extus tuboque piibesceutibus, sestivatione valvatis, explicatis 

 patulo-recurvis. 



Stamina 5, corollaj laciniis alterna, glabra; filamentis inferno tubo 

 insertis, adnatis ; antlieris linearibus, inclusis vel apice subexsertis, bilocu- 

 laribus, introrsis, imo dorso affixis. 



Ovarium disco carnoso, pulviniformi, obsolete 5- vel 10-tiiberculato 

 coronatum, 



Ovida numerosa, in placentis linearibus dissepimento utrinque affixis 

 peltata, imbricata, anatropa. 



Stylus simplex, glaber, stigma bifidum, in tubo coroUino latens vel 

 subexsertmn. 



Capsula ovata oblonga vel lineari-lanceolata, utrinque sulcata, limbo 

 calycis coronata, la3vis vel obscure costata, glabra pubescensve, bilocularis, 

 polysperma, septicide a basi ad apicem dehiscens, valvulis scjunctis, pedicello 

 simul longitrorsum fisso. 



Semina plurima in placentis angulato-alatis deniqiie liberis peltatim 

 affixa, sursum imbricata, compressa, niicleo oblongo ala membranacea 

 margine denticulata ex toto ambitu cincto. 



Embryo in axi albuminis camosi rectus ; cotyledonibus ovatis integris ; 

 radicula tereti, infera. 



