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INDEX TO ILLUSTRATIONS. 
CUTS IN THE TEXT. AUTHOR. 
Lemna Valdiviana........------sssseresceeeee eee -- cess eee F, Allen. 
"PTOWON 6 icc oe 25006 wed heals oS oad be inked os ee cowie onus beepees F. J. Bumsted. 
‘Cross-section of Carya alba............... oses.ceedbiswes Ee @; DOGraRibe: 
POLYPOPUS VOIVAGUS 65. ose sees este cecinave ee Se ----C. H. Peck, © 
A. VIVIPOTOUS BIRERS, Woo oohs ccs ve) ee on ene Pek deawate W. R. Gerard. 
New illustration of cell formation.......... tetekices tees ; 
Heterophylly in Hepaticos... 0-2. 0 esc tees oe WR, Gear. 
A simple dendrometer...:......... ..- » iievwapaiegeres es C, E. Bessey. 
PORERIC OF AlIDDODSO W000. ois 5. Sei sect as cece ce eee 
Cohesion of glumes in Agrostis elata...........-.-.-..... F. L. Scribner. 
Fertilization of Rhexia Virginica...............-+--ee eee Wm. H. Leggett. 
Hex opaca with entire leaves... o.oo ss. cece et eee. ee J. H. Mellichamp. 
Peculiarly lobed leaves In Quercus alba..................N. L. Britton. 
Wiresce nen 1 EMOUNOUON Sc. Fo cic ce oes see ccs coe ..-.W. W. Bailey. 
Fertilization of Scrophularia............-..... Pt era Wm Trelease. 
Corns OF Quercus RUURIOT 660. co ieee gl Sc cee cee cose N. L, Britton. 
PPOLOMUE HERROROR Ss 60ers cb hea ele ycled oe yeh e ese se cce se Ws Wi BALGY: 
Veprininintsre OF Ifls VOlMOCONOY i565 crs thes eek Coes kta a cs Joseph Schrenk. 
Adhesion between two beeches... 02.2.0... cece cece 
Teratological Notes in Fuchsla..... ..................-..Wm. Trelease, 
ADUUT Hine F bOris PUMINUG ooo is cee cic cosi ey cack rete Arthur Hollick. 
Some phenomena connected with the Cambium layer... 
Cucurbita Califormics.: 0. o2i cin es oo ers C. C, Parry. 
Morphology of the Jerusalem Artichoke................. H. W. Ravenel. 
DOVCURIG: TWOOOY 2. cov so Clie, pi osc deter ies eh bese reece se F. L. Scribner. 
TEIBOUOI BranOewehs 8). rs pie se ees eo Sinise asec - te 
GIyGerls- CAWDYt iis esa bee ces ee nae ee “ “ 
Agropyrum. dasystacny im. 2... 00. hes os erica % “ 
Abnormal Cotyledons in Ipomoea............. 2.22.22 c cee W. W. Bailey. 
Fruit of Eustichium Norvegicum..............ccececc.--e E. G. Knight. 
Prt NOUN oni Oe acne oes tae eee ee et .++..D. H. Campbell. 
Agropyrum Scribneri................- ev ucercuhe loss cgemes George Vasey. _ 
Development of DodecGatheon.... ou. scene cs eis cs A. F. Foerste. 
Abnormal Carve porcina.. v.05. hice c es ee ee F, L. Harvey. 
Porwrait of: George: Engelmann: oe ccs tec es eae ccs 
POeOpRY om ‘ORION oi. s eee Se ao chee ee A. F. Foerste. 
Prickles of Robinia 6 “ 
ee er a 
Germination of Pardanthus Chinensis ...................d. Schrenk. 
Nectar glands in Apios tuberosa... ......................A. F. Foerste 
LOSE BORIS circieiie Os Se CS wae vivepececaus * = 
A new coat in the spore of Onoclea........... aveeekey sess D. H. Campbell. 
ATCRGBIS EF GNO O08 55 8 ele poeled sis vais cde Rusby. 
Miniery tive anes ve es ieee ind oh oneaciieces. Wea RecOrRE 
Bronze medallion Of Asa Gray .- 2.5.0 isc cvs cisocevicsc ss 
Vase presented to Asa Gray..... cual BE eae Ar 
A CUFIOUS DOUTREO: cinco ks ieee ee cede ckecicis uses scclceAs W. Moerstes 
Plurality of embryos in Quercus alba.....................E. @. Britton. 
Yucca Mamentosa..... 2.2... ..ceeccceceeecseees coscesees Wm. Trelease, 
Pores of the libriform tissue......,..........06 soe cesses sek. L. Gregory. 
