Roella. | CAMPANULACEZ (Sond.) 591 
XV. ROELLA, Linn. 
Calyx 5-fid, tube cylindraceous. Corol/a infundibuliform, tubular or 
campanulate, large, 5-lobed. Stamens 5; anthers free. Ovary 2-celled. 
Stigmas 2, thick. Capsule cylindraceous, 2-celled, wholly inferior, 
perforated by the permanent base of the style, and therefore appearing 
as covered by a concave operculum, and at length dehiscing by a large 
hole at the apex, without valves. Seeds numerous, angular, scabrous, 
thick. Hort. Clif. p. 492, t. 16, f. 5. Lam. ill. 346,t. 123. ADC. Monog. 
camp. p. 172. Endl. gen. 3081. 
Subshrubs, rarely herbs. Leaves numerous, alternate, scattered, usually narrow 
and stiff. Flowers sessile, terminal, solitary or glomerate. Named in honour of 
W. Roell, professor of anatomy in the academy of Amsterdam. 
Flowers solitary, terminal ; branches woody : 
Cal. lobes and floral leaves recurved, squarrose ... ...... (6) recurvata, 
Cal. lobes erect : 
Cal. lobes ovate, acute, broad (4) latiloba. 
Cal. lobes lanceol., tapering toa long, hair-like point . (5) leptosepala. 
Cal. lobes lanceolate, acuminate 
Lys, erect or spreading, lin. -acuminate ; caps. gla- 
brous... (1) ciliata. 
Lys. erect, appressed, lin, -subulate ; ‘caps. ‘pubescent (2) reticulata. 
Lys. reflexed, linear-acuminate ... (3) bryoides, 
Flowers solitary, terminal ; stem and branches herbaceous ; lvs. : 
ovato-lanceolate, reflexed, serrulate .., ... sittagte mee. 40) SOROOUSS,. 
Flowers aggregate or glomerate ; branches woody : 
Lys. narrow-linear ; branches minutely pubescent : 
Bracts laciniate, with a long point ; cal.-lobes recurved 
at apex . (7) Ecklonii. 
Bracts toothed, “middle tooth larger, Yecurved ; cal.lobes 
not recurved .. sis .. . (8) spicata. 
Lys. linear-lanceolate ; branches glabrous oS. acd in eg): OMAR, 
Lvs. ovate, acute, reflexed ... .. hee ee Cs 
1. RB. ciliata (Linn.! Spec. 1, p.241); stem branched, hairy ; branches 
spreading ; leaves fascicled, erect, or spreading, linear, acuminated, 
ciliated, upper ones longer or eke flowers solitary, terminal ; lobes 
of calyx lanceolate or acuminated, longer than the leaves, ciliated or 
laciniately toothed, glabrous or hairy outwards ; corolla infundibuli- 
form, variegated ; capsule glabrous. 
Var. a. Linnaeana ; stem erect ; leaves linear, rigid; floral ones longer and 
larger, acuminated, laciniately toothed and ciliated ; corolla large, twice longer 
than the salycine lobes, & oles i @. c. Hort. Cliffort. t. 35. Berg. cap. p. 41, 
ex pte, Thunb.! fl. cap. p. 175. A. DC.! Monog. p. 173. Chamiss.! Linnea, vol, 
8, p. 200. £.Z.! 2405. Herb. Un. itin, 694» 695. Lam, ill. t. 123, f. 1. Curt. 
bot. mag. t. 378. Lodd. bot. cab. t. 1156. R. reticulata Linn, ex parte fide specim. 
Burmanniani in herb. Thunb.! 
Var. 8. incurva; stem erect ; leaves shorter, incurved, floral ones densely im- 
bricated, scarcely longer, rigid-ciliated or laciniately toothed ; corolla as long or 
longer than the glabrous calycine lobes. 2. ineurva, Banks herb. ex A. DQ. mon. Dp. 
172. AR. ciliata, Bergius/ cap. p. 41, ex pte. E. § Z.! 2405, ex pte. 
Var. y. Dregeana; stem erect ; leaves shorter, incurved, floral ones densely im- 
bricated, longer ; calyx lobes laciniately toothed and ciliated, acuminated or elon- 
gated, hairy or pubescent outwards, shorter than the corolla. R. Dregeana, A. DC. 
Prod. ! p. 446. 
Var. 8. minor; stem short, slender, with erect or diffuse branches ; leaves in- 
