366 LXXVil. CAMPANULACE^E. SPKCULAUU. 



rare. Cauline leaves smooth, linear, 2' long and scarcely a line in width. 

 Flowers terminal, in a loose panicle, drooping. Root creeping, perennial. Jn. Jl. 



2. C. APARINOIDES. Ph. (C. erinoides. Michx.) Prickly Bell-flower. 



St. flaccid, slender, branching above, triangular, the angles inversely acu- 

 leate ; Ivs. linear-lanceolate ; fls. terminal. A slender annual, found in wet 

 meadows, Can. and Wise. ! to Ga. Stem 12 18' high, its 3 angles rough 

 backwards, by means of which it supports itself upright among the grass. 

 Leaves smooth on the upper surface, denticulate, the margin and veins rough 

 backwards. Flowers small, white, on thread-like, flexuous peduncles at the 

 top of the stem. June Aug. 



3. C. AMERICANA. (C. acuminata. Michx.} American Bell-flower. 



St. erect ; Ivs. ovate-lanceolate, acuminate, uncinately serrate, the lower 

 ones often cordate ; petioles ciliate ; fls. axillary, sessile ; sty. exsert. A tall, 

 erect, ornamental species in fields, hills, &c., in Western N. Y. ! and Penn. to 

 111. ! common. Also cultivated in gardens. Stem 2 3f high, nearly smooth. 

 Leaves ending in a long point, smooth, with fine teeth. Flowers blue, flat, on 

 short stalks or sessile, numerous, solitary or several in each upper axil, forming 

 a terminal, leafy raceme. Corolla spreading. Aug. j- 



4. C. ILLINOENSIS. Fresen. in DC. 



St. angular, with spreading branches ; Ivs. ovate-lanceolate, long-acumi- 

 nate, sharply serrate, reflexed, upper ones hairy ; fls. sessile, 1 3 together in 

 the upper axils ; cal. segments subulate, serrate at base, spreading ; cor. rotate ; 

 caps, prismatic-clavate. Prairies of Illinois. Stem 3 5f high. Segments of 

 the corolla hairy outside near apex. Capsule opening by 3 pores. 



5. C. GLOMERATA. Clustered Bell-flower. St. angular, simple, smooth ; Ivs. 

 scabrous, oblong-lanceolate, cordate-sessile, lower petiolate ; fls. glomerate, in a 

 dense head ; cat. lobes acuminate, half as long as the funnel-shaped corolla. A 

 European species, cultivated in gardens, naturalized at Danvers, Vt., Oakcs. 

 It is a handsome plant, about 2f high, with numerous bell-shaped flowers of an 

 intense violet-blue, varying to pale purple. In cultivation it has many varieties. f 



G. C. MEDIUM. St. simple, erect, hispid ; Ivs. lanceolate, obtusely serrate, ses- 

 sile, 3-veined at base ; fls. erect. (g) An ornamental border flower, from Ger- 

 many, and of the easiest culture. Root biennial. Stem several feet in height, 

 undivided, rough with bristly hairs. Flowers very large, the base broad, limb 

 reflexed, of a deep blue. Several varieties occur with double or single flowers, 

 of blue, red, purple and white corollas. June Sept. f 



7. C. PERSICIFOLIA. Peach-leaved Bell-flower. St. angular, erect; Ivs. rigid, 

 obscurely crenate-serrate, radical oblong-obovate, cauline lance-linear; fls. 

 large, broadly campanulate. A beautiful species, native of Europe, with very 

 large, blue (varying to white) flowers, f 



8. C. PLANIFLORA. DC. (C. hitida. Ait.} Very glabrous; st. simple; Ivs. 

 sessile, coriaceous, shining, radical crowded, ovate or obovate, obtuse, crenu- 

 late, cauline linear-lanceolate, acute, subentire ; fls. in a spicate raceme ; cal. 

 lobes ovate, acute, as long as the campanulate-rotate corolla. Native about 

 Hudson's Bay, Pursh. A smooth species, with numerous blue flowers, f 



9. C. LANUGINOSA, with ovate, crenate, rugose and somewhat woolly leaves is 

 sometimes cultivated, and also a few other species. 



2. SPECULARIA. Heist. 

 Lat. speculum, a mirror ; alluding to the flower of S. speculum. 



Calyx 5-lobed, tube elongated ; corolla rotate, 5-lobed ; stamens 5, 

 distinct, half as long as the corolla, filaments hairy, shorter than the 

 anthers ; style included, hairy ; stigmas 3 : capsule prismatic, 3- 

 celled, dehiscing in the upper part. Fls. axillary and terminal, 

 sessile, erect. 



1. S. PERFOLIATA. Lam. (Campanula amplexicaulis. Mr. and of 1st edit.') 



St. simple, rarely branched, erect; Ivs. cordate, crenate, amplexicaul ; fls. 



sessile, aggregate, axillary. Plant somewhat hairy, a foot high, found in fields 



