Wilson : Studies in North American Peronosporales 



549 



Lactuca spicata (Lam.) A. S. Hitchcock. 

 Bremia Lactucae Regel. 



Lactuca sp. 



Bremia Lactucae Regel. 

 Mulgedium leucophaeum DC. ; see Lac- 

 tuca spicata (Lam.) A. S. Hitchcock. 

 Xabalus albus (L.) Hook. 



Bremia Lactucae Regel. 



Nabalus altissimus (L.) Hook. 



Bremia Lactucae Regel. 

 Prenanthes altissima L.; see Nabalus 

 altissimus (L.) Hook. 



SONCHUS ASPER (L.) All. 



Bremia Lactucae Regel. 

 Sonchus sp. 



Bremia Lactucae Regel. 



Thagopogon porrifolius 



L. 



Albugo Tragopogonis (DC.) S. F. Gr 



ay. 



Br.; 



Con- 



CONVOLVULACEAE 



Batatas edulis (L.) Choisy; see Ipomoea 



Batatas (L.) Lam. 

 Ulonyction aculeatum (L.) House. 



Albugo Ipomoeae-panduranae(Schwe'm.) 

 Swingle. 



Ca lystegia Sepium (L.) R. 

 volvulus Sepium L. 



^volvulus Batatas L.; see Ipomoea 

 Batatas (L.) Lam. 



^VOLVULUS INCANUS Vahl. 



Albugo Ipomoeae-panduranae (Schwein.) 

 Swingle. 



^volvulus macrorrhiza; see Ipomoea 



Pandurata (L.) Meyer. 

 Convolvulus Sepium L. 



Albugo Ipomoeae-panduranae(Schwein.) 

 Swingle. 



onvolvulus sp. ; see Ipomoea hederaceaL. 



b Ho Ipomoeae-panduranae(Schwein.) 

 Swingle. 



S BATATAS (L ' ) Lam - 

 b *go Ipomoeae-panduranae (Schwein.) 



, Swingle. 

 0M ? EA Ca Rolina (L.) Pursh. 



bu go Ipomoeae-panduranae(Schwein.) 

 ^ Swingle. 



Mo ** commutata R. & S. ; see I. Caro- 

 Una Pursh. 



^ Hederacea (L.) Jacq. 



u Zo Ipomoeae-panduranae (Schwein.) 

 Ijq bWl ngle. 



^ incarnata Vahl. 



"go Ipomoeae-panduranae (Schwein.) 



K 0E ! win8lc - 



* A LACUNOSA L. 



Ipomoea mexicana A. Gray. 



Albugo Ipomoeae-panduranae (Schwein.) 

 Swingle. 



Ipomoea pandurata (L.) Meyer. 



Albugo Ipomoeae-panduranae (Schwein.) 

 Swingle. 



Ipomoea Pes caprae (L.) Roth. 



Albugo Ipomoeae-panduranae (Schwein.) 

 Swingle. 



Ipomoea purpurea (L.) Lam. 



Albugo Ipomoeae-panduranae (Schwein.) 

 Swingle. 



Ipomoea tamnifolia L.; see lacquemontia 



tamnifolia (L.) Griseb. 

 Ipomoea trichocarpa Ell. 



Albugo Ipomoeae-panduranae (Schwein.) 

 Swingle. 

 Ipomoea triloba L. 



A Ibugo Ipomoeae-panduranae ( Schwein. ) 

 Swingle. 



Jacquemontia tamnifolia (L.) Griseb. 



Albugo Ipomoeae-panduranae (Schwein.) 

 Swingle. 



Quamoclit Quamoclit (L.) Britton. 



Albugo Ipomoeae-panduranae (Schwein.) 



Swingle. 

 Quamoclit vulgaris L.; see Q. Quamoclit 



(L.) Britton. 



CUCURBITACEAE 



Naud. 

 & C.) 



Bryonopsis laciniosa erythrocarpa 

 Pseudoperonospora cubensis (B. 

 Rostow. 

 Citrullus vulgaris Schrad. 



Pseudoperonospora cubensis (B. & C.) 

 Rostow. 

 Coccinia INDICA Wight & Arn. 



Pseudoperonospora cubensis (B. & C) 



Rostow. 

 Cucumis Anguria L. 



Pseudoperonospora cubensis (B. & C) 



Rostow. 

 Cucumis angulatus Forsk. 



Pseudoperonospora cubensis (B. & C.) 



Rostow. 

 Cucumis dipsaceus Ehrenb. 



Pseudoperonospora cubensis (B. & C.) 



Rostow. 

 Cucumis erinaceus; horticultural name for 



C dipsaceus Ehrenb. 



Cucumis Melo L. 



Pseudoperonospora cubensis (B. 



Rostow. 

 Cucumis odoratissimus Moench. 



& C.) 



bo 



*oea 



Ho Ipomoeae-panduranae (Schwein .) 

 Swings 



Pseudoperonospora cubensis (B. & C.) 



Alb 



LEPTOPH YLLA Tom 



u So Ipomoeae-panduranae (Schwein.) 

 Swingle. 



Rostow. 

 Cucumis sativus L. 



Pseudoperonospora cubensis (B. 



Rostow. 



& C.) 



