586 WEED FLORA OF IOWA 



MALVACEAE. 



Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :736-750. 

 Rolfs, P. H. The seed coats of Malvaceffi. Bot. Gaz. 17 -.33-39. 



ONAGRACEAE. 

 Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :875-878. 



PHYTOLACCACEAE. 

 Harz, C. D. See Landwirthschaftliche Samenkunde. 2:1088-1031. 



PLANTAGINACEAE. 



Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :982-987. 



Winton, A. L. Anatomy of plantain seeds. Microscopy of vegeta- 

 ble products. 163. 



Uloth, W. Ueber Pflanzenschleime und seine Entstehung in der 

 Samenepidermis von Plant ago maritima und Lepidum sativum. 

 Flora. 58 :193-200, 209-216 ; pi. 6. 1885. 



POLYGON ACE AE. 



Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :1101-1113. 



Sirrine, Emma. Structure of the seed coats of Polygonaceas. Proe. 

 la. Acad. Sci. 2:128-134; pi. 7-9. 



Winton, A. L. Anatomy of seed of black bindweed. Rept. Conn. 

 Agr. Exp. Sta. 1902:340-352. Winton 's Microscopy of vege- 

 table products. 157-158. 



R AN UNC UL ACEAE. 



Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :1063-1074. 

 Winton, A. L. Anatomy of Ranunculus arvensis. Microscopy of 

 vegetable products. 152-154. 



SAPINDACEAE. 



Guerin, M. P. Developpement de la graine et in particulier du 

 tegument seminal de quelques Sapinda.cc.es. Jour, de Bot. 15; 

 336-348. 



SCROPHULARI ACEAE. 



Bachmann, E. Die Entwicklungsgeschichte und der Bau der 



Samenschalen der Scrophularineen. 179. Halle, 1880. 

 Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :966-973. 



SOLANANCEAE. 

 Harz, C. D. See Landwirthschaftliche Samenkunde. 2 :997-1025. 



