66 ASCLEPIAS TUBEROSA. 
BOTANICAL BEFERENCES. 
Asclepias tuberosa, Lin. Sp. pl.—Pursu, i. 183.—Micnavx, 
i. 117.—Enuiorr, Car. i. 325.—Asclepias decumbens, a variety, 
Lin. Pursn, &c.—Apocynum Nove Anglie hirsutum radice 
tuberosa, floribus aurantiacis, HegMAN, Hort. 646. t. 647.—D11.- 
LENIUS, Elth, 35, t. 30, f. 34. 
MEDICAL REFERENCES. 
B. S. Barron, Collections, 48.—THacuer, Disp. 154.—— 
Cuarman, Therapeutics and Mat. Med. i, 346. 
PLATE XXVI. 
Fig. 1. Asclepias tuberosa. 
Fig. 2. 4 flower. 
Fig. 3. 4 flower dissected, showing the mass of hein and one 
nectary with its horn. 
Fig. 4. Magnified section of the mass of anthers, showing the sit- 
uation of the pistils inside, Sc. A pair of pollen masses 
is drawn out at the top. 
Fig. 5. .Pistils magnified, and calyx. 
