CAMPANULACEZ. XI. Rogtza. 
XI. ROE'LLA (in honour of William Roell, professor of 
anatomy in the academy of Amsterdam). Lin. hort. cliff. p. 492. 
t. 35. Gener. no. 219. Adans. fam, nat. 2. p. 134, Juss. gen. 
165. Neck. elem. 1. p. 235. Gaertn. fruct. 1. p. 154. t. 31. f. 3. 
Lam. ill. no. 346. t. 123. Gessn. phyt. p. 105. t. 13. f. 202. 
Alph. D. C. mon. p. 172.—Campánula species Seb. thes. 1. p. 
25. t. 16. f. 5.—Aculeòðsa, Pluk. alm. 8. t. 252. f. 4. 
Lin. syst. Penlándria, Monogynia. Calyx 5-cleft. Corolla 
funnel-shaped or tubular, large, 5-lobed (129. b). Stamens 5; 
filaments broadest at the base. Anthers free. Stigmas 2, thick. 
Capsule cylindrical, 2-celled, wholly inferior, perforated by the 
permanent base of the style, and therefore appearing as if it 
was covered by an operculum, and at length dehiscing by a 
large hole at the apex, without valves. Seeds angular, scabrous, 
thick. —Subshrubs, rarely herbs. Leaves numerous, always al- 
ternate, scattered over the whole plant, usually narrow and stiff. 
Flowers sessile, terminal, and sometimes axillary. All the spe- 
cles are natives of the Cape of Good Hope. 
* Plants perennial. Stem woody, more or less erect. Leaves 
stif. Tube of calyx covered by the leaves. 
1 R. rcv’rva (Banks, herb. ex Alph. D. C. mon. p. 172.) 
leaves linear, acuminated, incurved at the apex: lower ones 
setaceously ciliated : superior ones laciniately toothed ; flowers 
solitary ; lobes of calyx glabrous, laciniately toothed ; corolla 
variegated, length of the calycine lobes. h.G. Native of the 
Cape of Good Hope. Flowers solitary, terminal, surrounded by 
imbricate leaves. 
Incurved-leaved Roella. Shrub 1 foot. 
2 R. cma‘ra (Lin. spec. 1. 
p 241.) leaves erect, linear, 
acuminated, ciliated : superior 
ones longer and entire ; flowers 
solitary ; lobes of calyx ciliated, 
and laciniately toothed ; corolla 
variegated, large, longer than 
the calycine lobes. h. G. Na- 
tive of the Cape of Good Hope 
and Barbary. Geertn. fruct. 1. 
p. 154, t.21. f. 3. Lam. ill. t. 
123. f. 1. Curt. bot. mag. t. 
378. Lodd. bot. cab. 1156. De- 
laun. herb. amat. 56. fasc. t. 
332. Roélla, Lin. hort. cliff. p. 
492. t. 35. Flowers solitary, 
terminal, surrounded by imbri- 
cated leaves. Corollas white at 
bottom, even to the base of the lobes, where there is a deep pur- 
ple circle, and above the circle pale violet, girded by white, and 
lastly the lobes themselves are rose-coloured (f. 129). 
{iliated-leaved Roella. Fl. Sept. Clt. 1774. Shrub 3 to 
Oot. 
3 R. reticuna‘ra (Lin. spec. 1. p. 241.) leaves erect, subu- 
late, ciliated; flowers solitary; lobes of calyx ciliated, short, 
entire; corolla white, twice the length of the calycine lobes. h. 
Native of the Cape of Good Hope. Lam. ill. 2577.— 
Petiv, mus. 21. f. 157. ex Lin.—Rey. lugdb. 248. Stems or 
branches pilose, very leafy. Flowers solitary, terminating the 
branches, and axillary at the top of the stem. 
Reticulated-leaved Roella. Shrub 4 to 1 foot. 
4 R. Tuunsz’ren (Roem. et Schultes, syst. 5. p- 185.) leaves 
lanceolate, ciliated; flowers solitary; stem glabrous. R- Sr 
Native of the Cape of Good Hope. Campanula ciliata, Thunb. 
fi. cap. ed. Schultes, p. 172. Stem filiform, erect, branched at 
the top, weak. Leaves glabrous, with revolute margins. Flowers 
terminal. 
VOL. III. 
FIG. 129. 
745 
Thunberg’s Roella. Shrub 1 foot. 
_ 5 R. Dona’nrn (Alph. D. C. mon. p. 175.) leaves erectish, 
linear, acuminated, ciliated ; flowers solitary or glomerate ; lobes 
of calyx downy inside, remotely toothed; corolla longer than 
the calycine lobes. hk. G. Native of the Cape of Good Hope. 
Roélla, Eklon, in herb. Dunant. Stem branched, naked at the 
base; branches diffuse. Leaves most numerous on the upper 
part of the branches. Flowers terminal, solitary, or 1-3 in a fas- 
cicle. Corollas white. 
Dunant’s Roella. Shrub 1 foot. 
6 R. cine’rea (Alph. D.C. mon. p. 175.) leaves erect, linear- 
subulate, remotely denticulated, rather tomentose at the base ; 
flowers solitary or in fascicles ; lobes of calyx entire, glabrous ; 
corolla twice the length of the calycine lobes. p. G. Native 
of the Cape of Good Hope. Campanula cinérea, Thunb. prod. 
p. 38. mem. acad. petersb. 4. p. 368. t. 6. f. 4. R. glabrélla, 
Banks, herb. Stem simple. Leaves usually furnished with 
smaller ones in their axils. Flowers sessile, 4-6 at the top of 
each stem, surrounded by leaves. 
Cinereous Roella. Shrub 1 foot. 
7 R. spica‘ra (Thunb. prod. p. 38. Lin. suppl. p. 143.) leaves 
lanceolate, ciliated; flowers terminal, aggregate. h.G. Na- 
tive of the Cape of Good Hope. Stem very short, branched at 
the base, and rather decumbent. Leaves rising in fascicles from 
the buds, glabrous, reflexed at the points. Corollas white. 
Spiked Roella. Shrub decumbent. 
8 R. squarrosa (Thunb. in Lin. suppl. p. 134.) leaves ovate, 
acute, decurrent, cuspidate at the apex, and recurved, with ciliated 
and setaceously toothed margins; flowers glomerate ; bracteas 
broad, ovate, acuminated; lobes of calyx ovate, acuminated, 
ciliated, one-half shorter than the corolla, which is white. kh. G. 
Native of the Cape of Good Hope. Lam. ill. 2579, Ait. hort. 
kew. ed. 2d. vol. 1. p. 354, Stem branched, reddish ; branches 
diffuse, reddish. Flowers disposed in terminal fascicles. 
Var. B, Bérgii (Alph. D. C. mon. p. 176.) flowers solitary. 
h. G. Native of the Cape of Good Hope. R. squarrdsa, 
Berg. pl. cap. p. 42. R. filiformis, Lam. ill. no. 2580. t. 128. 
f. 2, but not of Poir. R. rigidula, Banks, herb. 
Squarrose-leaved Roella. Fl. July. Cit. 1787. Shrub ž 
to 1 foot. 
* * Perennial, trailing, branched plants. Branches filiform, 
very leafy. Leaves stiff. Tube of calyx naked, filiform. 
9 R. muscòsa (Thunb. in Lin. suppl. p. 143. prod. p. 38.) 
leaves spreading, ovate, acute, remotely serrated, glabrous ; 
flowers solitary; lobes of calyx ovate-acuminated, entire, gla- 
brous, or a little ciliated, 3 or 4 times shorter than the corolla, 
which is blue. 2%. G. Native of the Cape of Good Hope, in 
a large ditch in front of the Table Mountain. Roem. et Schultes, 
syst. 5. p. 75. Alph. D.C. mon. p. 177. R. caespitosa, Banks, 
herb. Burch. cat. pl. afr. no. 636. A humble trailing plant, 
with diffuse branches. Flowers terminal, sessile. 
Mossy Roella. FI. July, Sept. Clt. 1802. 
*#* Plant annual. Stem herbaceous, erect. 
broad. . Tube of calyx naked, ovoid. 
10 R. pecu’rrens (Lher. sert. angl. p. 2. t. 6.) leaves spread- 
ing, decurrent, ovate-oblong, ciliated at the base, nearly entire ; 
flowers solitary ; lobes of calyx acuminated, ciliated, 3 times 
shorter than the corolla. ©. F. Native of the Cape of Good 
Hope. Ait. hort. kew. ed. Ist. vol, 1. p. 226. Lam. ill. no. 
2582. Rom. et Schultes, syst. 5. p- 74, exclusive of syn. bot. 
rep. t. 238. Stem branched, very leafy, pilose. Flowers ter- 
minal, blue. ? 
Decurrent-leaved Roella. 
foot. ; 
5C 
Pl. trailing. 
Leaves thin, 
Fl. July, Sept. Cilt, 1787. Pl. 4 
