88 CLASS V. ORDER I. 



96. SAMOLUS. 

 Samolus valerandi. L. Water Pimpernel. 



Leaves obtuse, raceme many flowered, pedicels 

 bracteolate. 



A smooth plant about a foot high. Stem erect, round. Leaves 

 alternate, subsessile, obovate, obtuse, entire, those of the root 

 petioled. Racemes terminal, many flowered. Pedicels often 

 two together, one flowered, geniculate, with a small lanceolate 

 bracte at the bend. Flowers small, white. — Brook sides. — July. 

 — Perennial. 



97. CAMPANULA. 



Campanula rotundifolia. L. Harebell. 



Radical leaves ronndish-heart shaped, leaves of the 

 stem linear. 



This handsome little plant is apt to deceive the inexperienced 

 botanist, from the circumstance that the root-leaves, from which 

 the plant is named, wither early, and are therefore often want- 

 ing. Stem erect, round, smooth, with one or more flowers. 

 Root-leaves few, on long petioles, reniform, cordate or oblong, 

 crenate ; stem-leaves linear, alternate, sessile. Flowers bluish 

 purple, drooping. Corolla with broad, acute segments, bell 

 shaped. Style longer than the stamens. Damp rocky woods, 

 rare — June, July. — Perennial. — This plant is common to both 

 hemispheres and is the Harebell of the poets. 



Campanula perfoliata. L. Clasping Bell Jlower. 



Stem simple; leaves heart shaped, toothed, clasp- 

 ing; flowers sessile, aggregate. L. 



Syn. Campanula amflexicaulis. Mich. 

 Specularia perfoliata. Hooker. 

 Found by the road side in Medford and elsewhere. Stem 

 erect, leafy, angular, slightly pubescent. Leaves small, alter- 

 nate, reniform-heart shaped, tooth-crenate, clasping the stem. 

 Flowers axillary, sessile. Segments of the calyx lanceolate, 

 very acute, with a distinct middle rib. Corolla bluish or purple, 

 spreading. — June. — Annual, 



