RANUNCUIvACSAE 133 



1. MAGNOLIA L. 



Corolla white : styles or stigmas stout, persistent : f dlUcles tapering. 

 Leaf-blades elliptic-oblanceolate or obovate-lanceolate, 2-6 dm. long, mem- 

 branous : fruit 1-1.5 dm. long. i. M. tripetala. 

 Leaf- blades oblong,- elliptic or oval, rarely broadest below the middle, 5-15 

 cm. long, firm : fruit 3-5 cm. long. 2. M. Virginiana. 

 Corolla greenish or yellow : styles or stigmas slender, deciduous : follicles 

 rounded. 3. M. acuminata. 



1. Magnolia tripetala L. Umbrei<i<a-Tree;. (Man. p. 409 ; I. F. /. 

 ^539-) I'^ woods, Pa. to Ga., Arlt. and Miss. — Pennsylvania: Lan- 

 caster ; York. 



2. Magnolia Virginiana L. Laurei, Magnowa. Sweet Bay. (Man. 

 p. 409; I. F. y". 1540.) In swamps, eastern Mass. and southward, mainly 

 east of the Alleghenies to Fla., west through the Gulf States to Ark. 

 and Tex. — Pennsylvania : Bucks ; Montgomery ; Chester ; Lancas- 

 ter ; Lebanon ; Cumberi<and ; Abams ; Frankwn ; Delaware. 



3. Magnolia acuminata L. Cucumber Tree. (Man. p. 410; I. F. 

 /. 1541.) In woods, N. Y. to 111., N. C. and Ark. — Pennsylvania : Frank- 

 i,iN ; Huntingdon ; Lancaster ; Centre ; Cwnton ; Tioga ; Wash- 

 ington ; Somerset ; Ai<i<egheny. 



2. LIRIODENDRON L. 

 1. Lirlodendron Tulipifera L. Tuwp-TrEE. (Man. p. 410; I. F. /. 

 J542.) In woods, Vt. to Mich., R. I., Fla., Ark. — Pennsylvania : North- 

 ampton ; Bucks ; Chester ; Lancaster ; Monroe ; Huntingdon ; 

 Bedford ; Dei,aware ; Ai<i,egheny. 



Famii,y 4. ANONAOEAE DC. Custard-appi<e Famii,y. 

 1. ASIMINA Adans. 

 1. AsimlnatrUoba (L.)Dunal. Papaw. (Man. p. 410 ; L F./. 75^j.) 

 Along streams, Ont. to Mich., N..J., Pa. to Fla. and Te^K.— Pennsyl- 

 vania : Montgomery ; Lancaster ; York ; Dauphin ; Frankun ; 

 Huntingdon, at 1,100 ft.; Fayette; Ahegheny ; Chester; Dela- 

 ware- 



Family 5. RANUNOULAOEAE Juss. Crowfoot Family. 



A. Fruit a follicle or a berry : carpels with several ovules or with only i or 

 2 ovules in genera Nos. i and 6. 

 a. Flowers regular. 

 * Leaf-blades palmately nerved or palmately compound. 

 Petals wanting. 

 Carpels ripening into a head of red berries. i. Hydrastis. 



Carpels ripening into a head of dry follicles. 2. Caltha. 



Petals present. 

 Petals flat, linear. 3. TrolliuS. 



Petals tubular, at least near the base. 

 Plants caulescent : sepals persistent. 4. Helleborus. 



Plants scapose : sepals deciduous. 5. Cammarum. 



