586 WEED FLORA OF IOWA 



MALVACEAE. 



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

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



ONAORACEAE. 



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



PHYTOLAGGAGEAE. 

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



PLAN TAOIN ACE AE. 



Harz, C. D. Sec Landwirthsehaftliche Samenkunde. 2 :982-987. 



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

 ble products. 163. 



Uloth, W. Ueber Pflanzenschleime und seine Bntstehung in der 

 Samenepidermis von Plcmtago maritima und Lepidum sativum. 

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



POLYGOnACEAE. 



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



Sirrine, Emma. Structure of the seed coats of Polygonaces. Proc. 

 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. 



RAJslVi^GULAGEAE. 



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

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

 vegetable products. 152-154. 



8APINDAGEAE. 



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

 tegument seminal de quelques Sapindacees. Jour, de Bot. 15; 

 336-348. 



SCROPHVLARIACEAE. 



Bachmann, E. Die Entwicklungsgeschichte und der Bau der 



Samenschalen der Scrophularineen. 179. Halle, 1880. 

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



80LANANCEAE. 

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



