Index. 
PAGE 
Amphicarpea Monoica, Recent Observations on ...............0.. 20 
Aphyllon Uniflorum, Observations on ............. ccc cece eeeeees III 
Beach ;Plins Mactarlane sOn j.,3crc::ociad ee ee ee Oe ee ee eee 216 
Beecwig om: Cassuitte :ilsfOriis: < 26.000 tees dele de tales Asa See 309 
Exatisn: ‘Golumbian -Plasts,, Bare Gi) \...3%s)..i0'.is gee eden ue sk keer 417 
Btinie ian, Gon rt: Moats (30.52 de eed sss ee ee ee 54 
Cassytha filiformis, Histology and Development of ............... 309 
Géll Division in Root of Vicid.Paba < ... 005.566.5042 0 Re 150 
Gircumnutation, Simons: on: Ratevof 2. 2253. fo..e tee aoe ee 66 
Wiestogamy, Observations On iii isis ae ck dee le deem eee 122 
Coinparative Structure of Polygala Flowers ..................... 122 
Comparative Studies on Rate of Circumnutation ................. 66 
Gonard on. Phyllody in Nelumba. ... 5 bias ccc ss jae te on on dees 350 
Ganard on) Sweet. Potato: Pasciation |. 22.5056 253 eee Ceara 205 
Conopholis Americana, Observations OM .............0cecceeeeeee 3 
Cooke on Epiphegus Virgziniana . 5.05. coe soba ee cen da wee is 352 
Cork Tissues in Roots of Rosaceous Genera .................085- 54 
Current Problems in Plant Cytology, Macfarlane on ............. 183 
Cyanophyceez, Cytology and Movements of ................0202055 237 
Gytology;\Carrent) Problems? in} Plant)-2- 7.02. eae eee 183 
Cytology. of  Cyanaph yee: (o..7 46.054 ONS Solee kh seek See ee eee ee 237 
Drosera filiformis and Drosera intermedia, Hybrids between ..... 87 
Bmbryo-sacs. /MeKentiey Onis. <.) scccecis cision actos solani atlomteaiare ee 80 
Epiphegus Virginiana, Cooke and Schively on .................... 352 
Gurr on British: Golumbian, Plants: :.3 2 ics 2 Saws eee eee hee te 417 
Masciation in Sweet Pome creole. Sav SSE eee eae te es 205 
Gardner on Growth and Cell Division in Root of Vicia Faba ...... 150 
Gelsemsum: internal’ /Phloenmtsin) 2). clon cre te ee ae oe ae ens 41 
Growth and Cell Division in Root of Vicia Faba .................. 150 
Harshberger on Fertile Hybrids of Teosinte and Maize .......... 231 
Piatshberper en, Seneca: Precex: DEG) 7. 0s eet Oe oo a es 31 
Harshberger on Relation of Ice Storms to Trees ................ 345 
Harshberger on Production of Fruits and Seeds ................. 100 
Histology and Development of Cassytha .................+000005 399 
History,: ete, ‘Sarracenia Caitsb@v) 2... o oko eee cise ck 
Eiybrids of ‘Drosera, . Macfarlane’ on 250 6.05. 22s Vi oe eves es a biak 87 
Hybrids» of: Teosinte and! Maize rite ccc s > ors cs boars vce eeeine 231 
