72 



THE DICTIONARY OF GARDENING. 



Fentstemou continued. 



panicle twiggy ; peduncles one to three-flowered. August. I., 

 cauline ones narrow or broad- or ovate-lanceolate ; lower ones 

 sometimes spathulate-oblong ; upper ones closely sessile from the 

 base, broadly sub-cordate-ovate or ovate-lanceolate, h. 1ft. 

 1858. Plant very glabrous, glaucous. (L. J. F. 211 ; P. F. G. 64.) 



P. a. Jaffrayanus (Jaffray's). fl. blue, large ; peduncles one 

 to five-flowered. I. oblong or oval, or the upper ones ovate- 

 lanceolate or ovate, very glaucous, h. 1ft. 1858. (B. M. 5045, 

 under name of P. Jaffrayamis.) 



P. baccharifolius (Baccharis-leaved).* fl. scarlet, showy, panicu- 

 late ; corolla enlarged above, the upper lip sub-erect, the lower 

 one reflexed. September. I. coriaceous, oblong, in rather dis- 

 tant pairs, nearly sessile, rigidly and acutely dentate, h. lift. 

 1848. A well-marked, showy, half-hardy sub-shrub. (B. M. 

 4627.) 



P. barbatus (bearded). fl. varying from light pink-red to car- 

 mine ; corolla tubular, the upper lip erect and concave, the lower 

 deflexed and bearded at the throat ; panicle twiggy, loose-flowered. 

 July. L entire ; cauline ones sessile, lanceolate or linear-lanceo- 

 late, h. 3ft. 1794. Plant tall, many-flowered. See Fig. 76. 

 (B. R. 1839, 21, a flesh-coloured variety, carneum.) SYNS. 

 Chelone barbata (B. R. 116), C. ruelloides (A. B. R. 31). 



FIG. 77. UPPER PORTION OF PLANT OF PENTSTEMON DIFFUSUS. 



P. b. Torreyi (Torrey's).* fl. deep scarlet-red ; throat of corolla 

 naked or very slightly bearded ; lips somewhat longer than in 

 the type. Half-hardy. SYN. P. Torreyi. 



P. breviflorus (short-flowered).* fl., corolla yellowish or flesh- 

 coloured, pink-striped within, about Jin. long, the upper lip 

 beset with viscid hairs ; thyrse narrow, many-flowered, racemi- 

 form. September. I. lanceolate or oblong-lanceolate, denticulate, 



Pentstemon continued. 



seldom (if ever) whorled, lin. or more long. Branches slender, 

 twiggy, h. 3ft. to 6ft. (B. R. 1945.) 



P. campanulatus (campanulate).* fl. varying in shades of pink, 

 dark purple, violet, &c. ; corolla tubular or campanulate-ventri- 

 cose ; sterile filament slightly bearded ; panicle elongated, naked, 

 raceme-like, secund. June. I., cauline ones distinctly lanceo- 

 late, ovate-lanceolate, or linear, argutely serrated. A. lift. 

 1794. (B. M. 1878, 3884.) SYNS. P. anfjustifoliw (B. R. 1122 ; 

 L. B. C. 420), P. atropwpureus (L. B. C. 1429), P. pulchellus 

 (B. R. 1138 ; L. B. C. 1438), Chelone atropurpurea (S. B. F. G. 235), 

 C. eampanuloides (A. B. R. 40), C. rosea (S. B. F. G. 230). 



P. centranthlfolius (Centranthus-leaved). fl., corolla bright 

 carmine, lin. long, the lobes equal, except that the two upper 

 ones are united higher, and equally spreading, scarcely longer 

 than the breadth of the throat ; sterile filament filiform, naked. 

 June. I., lower ones oblong; upper ones obovate or lanceolate, 

 amplexicaul. h. 2ft. 1858. (B. M. 5142.) SYN. Chelone centranthi- 

 folia (B. R. 1737). 



P. Cobsea (Cobzea-flowered). /. varying from dull reddish-purple 

 to whitish ; corolla 2in. long, inflated and broadly campanulate 

 above the calyx, glabrous within ; panicle few-flowered, viscous- 

 pubescent. August. I. ovate or oblong, argutely serrated or 

 denticulated. A. 1ft. (rarely 2ft.). 1835. Plan' 

 half-hardy perennial. (B. M. 3465.) 



it viscous-puberulous, 



P. confertus (crowded-flowered).* /. sulphur-colour, densely 

 glomerate ; sepals sometimes terminating in a long point ; corolla 

 nearly Jin. long ; cymes often sessile. July. I. highly 

 usually entire ; cauline ones lanceolate or oblong. 



purple corolla and very variable sepals. (B." M." 2954 and L. B. C. 

 161o, under name of P. proeer 



6in. to 18in. 1827. Plant very glabrous, strict. (B. R. 1260.) 



P. c. cceruleo-purpureus (bluish-purple), fl. with a bluish- 

 ils. (B. M. 2954 and L. B. C. 

 an inappropriate one, as the 

 plant is ordinarily one of the lowest of the genus.) 



P. cordifolius (cordate-leaved).* fl. bright scarlet, profusely pro- 

 duced ; corolla tube about lin., and lips iin. long, tubular- 

 cylindrical ; sterile filament densely bearded. June. I. ovate or 

 sub-cordate, usually denticulate or sparsely dentate, scabrid, 

 with the veins impressed above. 1848. Plant sarmentose, and 

 also climbing like a Lonicera, pruinose-puberulous or glabrous. 

 Half-hardy sub-shrub. (B. M. 4497.) 



P. crassifolius (thick-leaved). A synonym of P. Menziesii 

 Douglasii. 



P. deustus (blasted).* fl. yellowish, crowded ; corolla iin. long, 

 the tube slightly enlarged ; sterile filament glabrous ; cymes 

 pedunculate. July. I. usually laciniately or pectinately serrate ; 

 cauline ones oblong or lanceolate, h. 1ft. 1827. Plant glabrous. 

 (B. R. 1318.) 



P. diffusus (diffuse).* fl. purple, showy, in dense cymelets ; 

 corolla less than lin. long; sterile filament bearded at apex; 

 panicle often leafy. September. I. ovate or ovate-lanceolate; 

 upper ones somewhat cordate-amplexicaul, thick, serrated. Stem 

 ascendent, h. lift. 1826. Plant puberulous. See Fig. 77. 

 (B. M. 3645 ; B. R. 1132.) " P. argwtus (P. M. B. vi. 271) appears 

 to be a form of this, connecting with P. Richardsonii " (Asa 

 Gray). 



P. Eatonl (Eaton's).* fl. rich crimson-scarlet, disposed in ter- 

 minal panicles ; corolla widening towards the mouth, the lobes 

 nearly equal. L, lower 'ones broadly ovate, h. lift. California, 

 1883. One of the best plants of the genus. 



P. erianthera (woolly-anthered). A synonym of P. glaber. 



P. glaber (smooth).* fl. purple, violet, or blue, thyrsoid-panicu- 

 late, showy ; corolla ventricose-ampliate ; sterile filament shortly 

 hairy towards the apex. August. I. entire, often glaucescent ; 

 cauline ones sessile, lanceolate or ovate-lanceolate, h. 6in. to 12in. 

 1811. Plant highly glabrous. (B. M. 1672.) SYNS. P. erianthera, 

 P. Gordoni (B. M. 4319). 



P. g. cyananthus(Cyananthus-like). fl. in a large, dense thyrse. 

 I. broad, cordate-ovate ; upper cauline ones acuminate, h. 3ft. 

 (B. M. 4464, under name of P. cyananthus). 



P. glabrus stenosepalus (glabrous, narrow-sepaled). A 

 synonym of P. glaucm utenosepalus. 



dular). fl. violet or lilac, showy, large ; 

 corolla swollen above, with the limb shortly bilabiate ; inrlo- 



P. glandulosus (gl 



iculate. June. I. ample, slightly serrated ; upper 

 ordate-amplexicaul. h. lift. 1827. Plant viscous-pubes- 

 (B. M. 3688 ; B. R. 1262.) SYN. P. staticifolius (B. R. 



cent. 

 1770). 



P. glaucus (glaucous), fl. dull lilac or violet-purple, disposed in 

 a somewhat compact thyrse ; corolla less than lin. long, enlarged 

 above the base, with an ample throat. July. I. more or less 

 glaucous ; radical ones sub-ovate ; cauline ones lanreolate or 

 ovate-lanceolate, dilated at base. h. 9in. to 12in. 1827. (B. R. 



(narrow-sepaled). fl., sepals lanceolate, long- 

 short, compact. SYN. P. glabrus steno- 



P.g. 



acuminate; thyr 



sepalus. 



P. Gordoni (Gordon's). A synonym of P. glaber. 

 P. gracilis (slender).* fl. lilac-purple, or sometimes whitish, |in. 



to lin. long, tubular-funnel-shaped or almost cylindric ; peduncles 



