INDEX OF NATURAL ORDERS, NEW GENERA 
AND NEW 
SPECIES. 
When more than one reference is given, the page on which the description 
occurs is indicated by thickened numerals. 
Acanthacer, 219. 
Acronychia arfakensis Gibbs, 33, 144. 
papuana Gibbs 29, 33, 144, 
Agaricacee, 64, 
Aglaia Gibbsie C. DC., 50, 212. 
Alsophila angiensis Gepp, 32, 69. 
arfakensis Gepp, 28, 70. 
—— straminea Gepp, 56, 192. 
Amaracarpus Wichmanni Val. 17, 51, 
221, 
Anomopanax arfakensis Gibbs, 30, 163. 
Anthoceros bullato-spongiosus Gepp, 54, 
191 
Apocynacer, 177. 
Araces, 201. 
Araliaceze, 159, 216. 
Asclepiadaceze, 217, 
Auriculariaceze, 186, 
Racillariex, 60. 
Backhousia arfakensis Gibbs, 28, 34, 153. 
Balsaminacee, 145, 
Begonia humboldtiana Gibbs, 56, 215. 
Begoniacez, 149, 215. 
Bignoniacez, 179. 
Boraginacez, 218, 
Bulbophyllum arfakense J. J. S., 31, 122. 
—— birugatum J. J. S., 31, 123. 
—— ovalitepalum J, J. S., 31, 124. 
Burmanniacex, 103. 
Calamus arfakianus Becc., 28, 32, 95. 
—— humboldtianus Becc., 55, 93, 
Prattianus Becv., 97. 
Campanulacee, 183. 
Casuarinaces, 207. 
Celastraceze, 214. 
Centrolepidacee, 99, 
Centrolepis novo-guineensis Gibbs, 36, 38, 
99. 
kinabaluensis Gibbs, 99. 
Ceratostylis angiensis J, J. S., 31, 116. 
Chlorophycee, 61. 
Cladium arfakense Rend., 36, 90. 
Clavaria Gibbsiz Ramsb., 51, 187. 
Clavariacez, 187. 
Coleus Gibbsiz S. Moore, 36, 37, 178. 
Commelinaces, 202. 
Composite, 183, 222, 
Convolvulacee, 218. 
Corsia arfakensis Gibbs, 25, 104. 
Corsiaces, 103. 
Cucurbitacex, 222, 
Cunoniaceer, 142, 
Cyathea arfakensis Gepp, 28, 69. 
Cycadacez, 197. 
Cylindrophora epitricha Ramsé., 190. 
Cyperacez, 89, 200. 
Dacrydium novo-guineense Gibbs, 28, 30, 
32, 38, 78. 
Dacryomycetaces, 187. 
Dendrobium curvimentum J. J. S., 33, 117. 
—— inconspicuum J. J. S., 56, 205. 
— latifrons J. J. 8., 36, 118. 
—— papuanum J, J. S., 32, 120. 
—— parvifolium J. J. 8., 121. 
—— trifolium J. J. S., 32, 119. 
Didiscus arfakensis Gibds, 35, 166, 
—— koebrensis Gibds, 38, 165. 
