

MiNTANDRIA DIGYNIA 17«S 



common peduncles 1 to 2 or 3 inches long, (when elongated, often bearing a pair m 

 small lanceolate leaves), Blender, pubescent } pedicels ah ut an inch long. v £acci 

 .-.». on one si le, with minute eubulate caducous bra ts at base. Culgx-st ■ 

 men s ovatc-Unce* late, Bin ah, one i i ihem sometimes setace us. Curu/'a while. 

 / pmthium whitish, with a tinge uf purple at base; segments linear- oblong, obtusi . 

 snore than twice as long as the antheridium, the inflexed margin with an acut* 

 I . nh on each side near the base ; horns subfalcate, ab ut half as long as the sep 

 its. Follicles .'i to ."> inches I \ng % and about one fourth of ail inch in uiainjicr, 

 ! mce-linear, acuminate, smooth. 



Hah. Kich woodlands, and fence-rows: frequent. Fl. I\Iay— June. Fr. Aug. 

 f f Leaves vertiefflate, or alternate. 



*. A. vr.itTiciLtATA, £• Ptoiii su'simple^pubescenl in lines ; leaves 

 narrow-linear, revolute or reflexed on the maTgin, smoothish, mosth 

 verticillate, sessile ; umbels terminal and axillary ; tube of the lepai.thiunu 

 conspicuous, segments eh rt, very olttise, with a tort'i at the 'ur.mif 

 of each margin ; horns falcate, mucB exserletL Beck, Lot. p. 2 G. 



\ "il'lTTCILLATK AsCLF.IM AS. 



Stem 1 to 2 feet high, nearly erect, sometimes decumbent at base, slender, mar 1 . • 

 ed with sev >ral pubescent lin s. Leaves alxnit 2 inches lomr, and scarcely a KITS 

 v iJe, abruptly acute, the margins revolute, or often flatly folded back, mostly ti 

 ti illatc, rather crowded buloW. s >metimes in semi verticils, or opposite, near the 

 summit of the stem. / nbels several, rather small, terminal and subtermtnal, of> 

 ten verticillate in the upppj axils ;co? :mon peduncles half an inch to an inch l< n . 

 lie rider, pub- g i ton one s\dc ; pedi els ab ut half an inch long, pubescent, \siib 

 i ibulate-lincar bracts at base. Flowers small. Corolla ■ recnish white, with tin- 

 «j8 of purple. Ltpchithium white j 1 mgated ; uents scarcely as long at 



the antheridium, a little spreading, broad and obtuse, each margin extended tot* 

 in acute tooth at summit ; horns about twice as long as the segments, incurved. 

 urn cinereous, or greyish while, with tinges of green. Follicles about 2 

 inches long, an 1 one fourth of an inch in diameter, somewhat vcntiicose, acuini* 

 nate, smo >th. 



[fab. Sterile hills; Serpentine, ridge; frequent. Fl. July. Fr. Sept. 



Obs. Tliis species is pretty much confined U the sterile banks of Serpentina 

 rack,— where it is quite plentiful. 



10. A. tuberosa, L. Hirsute; notlaciescenf ; stem erect, oblique, or 

 decumbent, with spreading branches j leaves laiice-oblong*, mostly alti Or- 

 nate, suhscssile ; umbo's numerous, terminal an I axillary, often forming 

 corymbs; segments of the lepanthium obtusely bidentate on the ma-gin. 

 Beck, Sot. p. 237. 

 Also, A. decumbens. IVilld. Sp. 1. p. 126S. Pers. Syn. 1. />. 276. 



TuBKiious Asclkpias. Vulgd — Pleurisy-; oot. Butterfly-weed. 



Whole plant mostly very hairy. Root large, tuberous. Stem about 2 feet 1 i h. 

 generally more or less oblique*] branches spreading, and often recurved. Leave* 

 2 to 4 inches long, and half an inch t » an inch wide, mostly alternate sometimes 

 opposite, varying from Iance-lim-ar to oblong and oblanceolate, acute or obtuse, 

 tbscurcly mucronate, mostly obtuse at base ; petio'es very fh -it. Umbels of.cn c%>- 

 rymbosely arranged on the curve 1 branches, on common pcdwicles generally half 

 an inch to an inch long, sometimes nca-ly or quite sessile ; pedicels about 3 fourths 



15* 



