116 DICOTYLEDONOUS PLANTS. 



Petals generally equal in number to the lobes of the calyx, into 

 the throat of which they are inserted, regular, with a twisted 

 aestivation. Stamens definite, inserted into the calyx ; fila- 

 ments distinct; pollen triangular, usually cohering by threads. 

 Ovary of several cells, generally crowned by a disk; style fili- 

 form ; stigma capitate or 4-lobed. Fruit a berry or capsule, 

 many-seeded, 1 2 4-celled. Seeds numerous, without al- 

 bumen ; embryo straight ; radicle long and taper; cotyledons 

 very short. 



Herbs or shrubs. Leaves simple, alternate or opposite. 

 Flowers axillary or terminal, of various colours. 



1. EPILOBIUM. Linn. 



Cayx 4-eepalled ; sepals united into a long 4-sided tube ; 

 limb caducous. Petals 4. Stamens 8 ; pollen not viscous. 

 Capsule linear, obtusely 4-sided, 4-celled, 4-valved, many- 

 seeded, united with the calyx. Seeds crowned with pappus. 



Octandria. Monogynia. 



1. E. spicatum Lam. : stem tall, terete, smooth, branched above ; 

 leaves scattered, linear-lanceolate, veined, smooth; flowers large, pe- 

 dicelled, in a terminal spike ; petals irregular ; stamens unequal, de- 

 clined. E. angustifolium Linn. 



HAB. Swamps and moist woods. Can. and N. S. W. to Miss. 

 July. It- Stem 3 5 feet high. Flmoers purple, in a terminal 

 leaflesg spike or raceme. Willow Herb. 



2. E. coloratum Muhl. : stem terete, pubescent ; leaves mostly oppo- 

 site, lanceolate, serrulate, petiolate, smooth, with coloured veins; upper 

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

 branches. 



HAB. Wet meadows. N. S. July, Aug. U.Stem 34 feet 

 high. Flowers small. A very variable plant. 



3. E. squamatum Nutt. : pubescent ; root squamous, bulbous ; stem 

 terete, branching above ; stem leaves opposite ; those of the branches 

 linear and entire, revolute on the margin ; flowers pedunculate ; petals 

 bifid ; stamens unequal ; stigma clavate, undivided. E. rosmarinifo- 

 liumPursh. Torr.E. lineare MiM. Big.? 



HAB. Moist woods, &c. N. S. Aug. U.Stem a foot high, 

 slender. Floioers small, terminal, white. E. rosmarinifolium 

 was a name applied by Hsenke to a different species, which is 

 recognized by De Candolle. 



4. E. palustre Linn. : stem terete, branched, somewhat hirsute ; 

 leaves sessle, lianceolate, somewhat toothed, opposite and alternate, 

 mooth ; stigma undivided ; fruit pubescent. 



