GOODLATTE : ThE ANATOMY OF PaROSELA SPINOSA 581 



r 



r which is undoubtedly tannin but refuses to respond to any of the 



tests, like the tannin in the other cases, Solereder describes an 

 exactly similar gland in Psoraka. It is the brown coloring of 

 these glands which causes the noticeable brown spots on the 

 leaves of dried material in this species. 



This completes the surv^ey of the anatomical characters o{ 



Parosela sp 



The work 



was done under the direction of Dr. Herbert M. Richards, to whom 

 thanks are due for his many kind suggestions and encouragement. 



Botanical Laboratory, 

 Barnard College, 



Columbia University. 



Bibliography 



Baccarini ; Intornoad una particolaritd dei vasi cribrosi nelle Papih'on- 

 acee. Malpighia 6: 53-57. //- 4^ 1892. 



Contributo alia conoscenza delT apparecchio albuminoso tannico 



delle Leguminose. Malpighia 6 : 255-292,325-356,537-563. //. 

 21-26. 1892. 



Behrens : Ueber einige atherisches Oel secernirende Hautdriisen. Ber. 

 Dents. Bot. Gesells. 4 : 400-404. i886, 



Douliot : Sur le periderme des Legumineuses. Jour, de Bot. 2: 71- 

 76. 1888. 



Recherches sur le periderme. Ann. Sci. Nat. Bot. VII. 10 : 349- 



353- 1889. 

 Martinet; Organes de secretion des vegetaux. Ann. Sci. Nat. Bot. 

 V. 14: 91-232. //. /^./. 182. 1872. 



Reinke; Beitrage zur Anatomic der an Laubblattern, besonders an den 

 Zahnen derselben vorkommenden Secretionsorgane. Jahrb. Wiss. 

 Bot, 10: 1 1 7-1 78. pL II. 1886. 



Ross: Contribuzioni alia conoscenza del tessuto assimilatore e dello 

 sviluppo de periderma nei fusti delle pianti povere di foglie o afille. 

 Nouv. Gior. Bot, Ital. 21 : 215-244. 1889. 



Contribuzioni alia conoscenza del periderma. Malpighia 4 : 83— 



123. 1889. 



Russell: Contribution a Tetude de Tappareil secreteur des Papilion- 



acees. Rev. Gen. de Bot. 2 : 341-344- 1890. 

 Sanio; VergleichendeUntersuchungen liber den Bau und die Entwick- 



elung des Korkes. Jahrb. Wiss. Bot. 2: 39-108. i860. 



