° 
v1 CONTENTS [VOLUME LXIV 
A new method of — seeaecaed Neleal two 
figures) S.C. Brooks 306 
Evaporation one from ihe Gulf Cis (with four 
figures) Laura Gano and Jerome McNeill 318 
Fats from Rhus laurina and Rhus diversiloba = one 
re ese - James B. McNair 330 
Foothills vegetation in ie Colorado Front ee 
Contributions from the Hull Botanical Labora- 
tory 237 (with eight figures) - - Arthur G. Vestal 353 
= of Hawaiian lava flows vt peagaens 
Vaughan MacCaughey 386 
eneee Meliola + bie vith pats XXIV-— 
XXVI) - FP. L. Stevens 421 
Starch ita in ‘Sie: Connie 3 from 
the Hull Botanical ee = alee — 
_XXvVI—) - Helen Bourquin 426 
hiza sagittata (with des 
Seance Reeeorsaen and two lacuress - - - = Ernest C. Faust 441 
characters of North American syca- 
more woods (with agisisrie’ —~XXXVITI and 
three figures) . . - - - = Warren D. Brush 480 
Agency of fire in —— of #longlet a (with oe 
five figures) - - E.F. Andrews 497 
Permeability of the cell walls of Allium - - - S.C. Brooks 509 
_ ‘Brrerer ARTICLES— 
7 _Andlsonia, a new genus of the Cruciferae _ 
J. F. Macbride and E. B. Payson 79 
os pwiorth Jerome Hill a eee J.M.C. 65 
— : Resistance of seed coats of a m Theoprast to to , 
- intake of water _ on . = Wilmer E. Davis 166 
ff t of dy d n Endothi a parasitic ~ = Caroline Rumbold 250 
oo bdaienda 1: and O. Geteuni. - -  - Elizabeth D. Wuist 435 
2 Ray tracheids in Quercus alba (with one figure) - - = Samuel J. Record 437 
: _ Pyrenothrix nigra, gen. et sp. nov. - (with four figures) Lincoln W. Riddle 513 
| Connent Lirerarure en ee oes 168, sh : 
ee ‘Forti o : oe. pe vases 
‘name and reviews - 
- Papers noticed in “Notes for Sulcus" are in- : 
: oe ies oe ee 
