ONAGRACEvE. 107 



CALCYANTHUS. Linn. Allspice- Shrub. 



(From the Greek xaAu, a calyx, and a/0oj, a,Jlov)er; the calyx resembling a 

 corolla.) 



Lobes of the calyx in many rows, imbricate, lanceolate, col- 

 ored, all more or less coriaceous or fleshy. Stamens about 12, 

 unequal, deciduous, the outer ones fertile. 



C. IfEvigatus Willd. : lobes of the calyx lanceolate ; leaves oblong or 

 oval, gradually acuminate, somewhat rugose, smooth and green on both 

 sides; branches straight, erect. C. floridus, y lavigatus. Torr. fy Gr. 

 C. ferax Mich, 



Mountains. Penn.? to Geor. March June. ^ Stem 4 6 feet high. 

 Leaves opposite, entire. Flowers large, solitary, terminal. Calyx brownish pur- 

 ple. Common in gardens. Sweet-scented Shrub. Carolina Allspice. 



ORDER XLIII. ONAGRACE^E. ONAGRADS. 



Calyx tubular ; the limb usually 4-lobed. Petals usually 4. 

 Stamens 4 or 8, inserted into the calyx. Ovary mostly 4-celled ; 

 style filiform ; stigma capitate or 4-lobed. Fruit baccate or 

 capsular, many-seeded. Seeds without albumen. Herbaceous 

 plants or shrubs. Leaves simple, alternate or opposite. Flowers 

 axillary or terminal, of various colors. 



1. EPILOBIUM. Linn. Willow Herb. 



(From the Greek tin , upon, \o(3os, a pod ; the flower being at the apex of a 

 long pod.) 



Calyx with a long 4-sided tube ; limb 4-parted, deciduous. 

 Petals 4. Stamens 8, the 4 alternate a little shorter. Stigma 

 clavate, or with 4 spreading or revolute lobes. Capsule linear, 

 obtusely 4-sided, 4-celled, 4-valved, many-seeded. Seeds 

 crowned with a tuft of hairs. 



\.E.spicatumLam.: stem tall, terete, smooth, branched above; leaves 

 scattered, lanceolate or linear-lanceolate, sparingly denticulate, veined; 

 flowers large, pedicelled, in a terminal spike ; petals clawed, obovate ; sta- 

 mens unequal, declined. (Torr. <$ Gr.} E. anguslifolium Linn. 



Swamps and moist woods. Can. to Penn. N. to Arct. Amer. W. to Oregon. 

 July. q\ .Stem 35 feet high. Floicers purple, in a terminal leafless spike or 

 raceme which is often a foot long. Spiked Willow Herb. 



'2. E. coloratum Muhl. : stem terete, branched, pubescent ; leaves mostly 

 opposite, lanceolate, serrulate, petiolate, smooth, with colored veins, upper 

 ones alternate ; flowers small, axillary, near the extremity of the branches; 

 petals 2-cleft at the apex ; capsule pedicellate, slightly pubescent. E tetra- 

 gonum Pursh. not of Linn. 



