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Descriptive Flora 



Vincetoxicum reticulatum (Engelm.) Heller. Pearl Milkweed. 

 (Gonolobus reticulatus Engelm.) 



Hairy, twining vine with milky juice and green flowers. 

 Leaves simple, opposite. Blades heart-shaped, 3-nerved at base. 

 Flowers green, in clusters on long stalks that come out of the 

 axils of the leaves. Corolla 5-lobed, green with a network of 

 purplish veins, and having a raised silvery crown in the center, 

 resembling a pearl. Pods characteristic of the milkweeds. April 

 to fall. Climbing over bushes and up trees in shady places and 

 ravines. 



Vincetoxicum biflorum (Raf.) Heller. Star Milkweed. 



Densely hairy plants with branches lying on the ground, 

 opposite heart-shaped leaves, and one or two, deep red-purple, 

 star-like flowers in the axils of each pair of leaves. Leaves 

 simple, opposite. Blades broadly ovate, densely hairy, with 

 heart-shaped base, blunt tips, heavily veined underneath and 

 more than 1 vein at base. Corolla V2 to %" across, 5-lobed, deep 

 purplish red, conspicuously hairy above, green and hairy under- 

 neath. Pods similar to all milkweeds. Plant also has the char- 

 acteristic disagreeable odor. March to June. Dry rocky soil. 



PJiilibertella cyanchoides (Decne.) Vail. Climbing Milkweed. 



- A climbing plant with milky sap, opposite heart-shaped 

 leaves and white flowers in clusters about 1 inch across and 

 similar to the preceding milkweed blossoms (except Vince- 

 toxicum) in structure and general appearances. Pods similar 

 to all milkweeds. Blossoms in July, August and September. 

 Climbing over bushes and weeds and in trees. 



CONVOLVULACEAE. Morning-glory Family. 



Ipomoea trifida (H. B. K.) G. Don. Wild Morning Glory. 



"Manto" 



Vines that twine and trail extensively over the . ground or 

 low shrubbery, and have large, pink to purple, flaring bell-shaped 



