792 



CLEMATIS 



CLEMATIS 



toothed, more or less pubescent: fls. in terminal pani- 

 cles sometimes 2 ft. long and in axillary clusters, 

 whitish or bluish white, tubular, with revolute sepals, 

 less than >m. long, dioecious. Sept., Oct. Japan. 

 B.M. 6810. Used chiefly because of the striking foli- 

 age and its late-blooming qualities. Var. Lavallei, 

 Schneid. (C. Lavallei, Decne.). Fls. H~Mui. long, 

 monoecious. 



Group CONNATE. 



14. nutans, Royle. Slender woody climber: Ivs. 

 pinnate; Ifts. ovate-oblong or lanceolate, deeply 3-5- 

 lobed, rarely entire, 1-3 in. long: fls. nodding in many- 

 fld. panicles, yellowish white, tubular, H~Min. long) 

 pubescent outside; filaments silky pubescent below the 

 middle: achenes silky with plumose tails. July-Oct. 

 Himalaya. Var. thyrsoidea, Rehd. & Wilson. Climb- 

 ing to 20 ft.: Ifts. broadly ovate, usually cordate 

 at the base, silky pubescent beneath: panicles larger 

 and more compact, on upright stout peduncles 3-6 

 in. long. W.China. G.C. III. 48:310. Gn. 75, p. 557 

 (as C. nutans). R.H. 1905, p. 438 (as C. Buchaniana 

 vitifolia). See page 3567. 



15. lasiandra, Maxim. Climbing, to 12 ft.: young 

 growth viscid: Ivs. pinnate with 3-foliolate or 3-fid 

 segms.; Ifts. ovate to ovate-lanceolate, long-acuminate, 

 serrate, glabrous or sparingly pubescent on both sides, 

 1/^-2^ in. long: fls. axillary, solitary or in 3's on 

 stalks 1-3 in. long, campanulate, reddish purple, about 

 %in. long; sepals with recurved tips, as long as the 

 stamens. Aug.-Oct. Cent, and W. China. 



16. aethusifdlia, Turcz. Slender, climbing: Ivs. 

 bipinnate, pubescent; Ifts. finely cut, usually unequally 

 3-lobed and deeply incisely serrate with obtusish mu- 

 cronulate narrow lobes, M~/4in. long: fls. 1-3, axillary, 

 on slender stalks, whitish, tubular, %in. long; sepals 

 with recurved tips: achenes pubescent with long plu- 

 mose whitish tails. Aug., Sept. Mongolia, Manchuria. 

 Var. latisecta, Maxim. Lfts. larger, to 1> in. long 

 with oval or oblong rounded lobes. Gt. 10:342. B.M 

 6542. Gn. 6, p. 423; 31, p. 186; 45, p. 241. R.H. 1869, 

 p. 10. This is the form usually cult.; the type with 

 much more finely divided foliage is very rare in cult. 



Group ATRAGENE^E. 



17. verticillaris, DC. (Atrdgene americdna, Sims). 

 Fig. 983. Trailing or sometimes climbing, 8-10 ft. : usu- 

 ally 4 trifoliate Ivs. from each node; Ifts. thin, ovate, 

 acute, toothed or entire, somewhat cordate: fls. soli- 

 tary, blue or purple, 

 nodding at first, 2-4 

 in. broad when ex- 

 panded; 4 thin sepals, 

 silky along the margins 

 and veins; staminodes 

 spatulate, narrow, 

 scarcely half as long 



May, June. 

 Woodlands, 

 Va. to Hud- 

 son Bay, 

 west to 

 Minn. B.M. 



1881. Var columbiana, Gray. Sepals narrowband 

 more pointed than m the type. Rocky Mts. 



18. alpina, Mill. (Atrdgene aljtina, Linn.). Sts 3-5 

 It., slender, with prominent joints becoming swollen 

 with age: Ivs. once or twice ternate, with ovate or ovate- 

 lanceolate Ifts., serrate or incised; many petal-like sta- 

 mens, which are devoid of anthers; sepals 4 brieht 



pf ' R ST&n?' W> N> Amer " Siberia to S " an>d Cent. 

 icJV ^M. 530 (as var. austnaca). Gn. 46:318- 57 n 

 481. R.H. 1855:321. L.B.C. 3:250. G.W. 10, p s 



983. Achene of Clematis verticillaris. (XI) 



H.W. 3, p. 16. A very hardy climber, preferring a 

 northern exposure. Var. sibirica, Kuntze (var. dlba, 

 Hort. Atrdgene sibirica, Linn.). Fls. white or nearly 

 so. B.M. 1951. L.B.C. 14:1358. R.H. 1855:321. Var 

 occidentalis, Gray. Petal-like stamens very few, and 

 often bearing rudimentary anthers. Rocky Mts. 



Section PSEUDANEMONE. 



19. Stanleyi, Hook. (C. Stanleyana, Hort.). Fig. 

 984. Erect robust herbs, 3 ft. high: Ivs. biternate; 

 Ifts. sessile or petioled, variable in size, cuneate, silky: 



984. Clematis Stanleyi. ( X H) 



fls. 1-3 in. across, white to pink-purple; sepals becom- 

 ing widely expanded; stamens yellow; styles becom- 

 ing very plumose, white. July-Oct. Transvaal. Intro. 

 1893. B.M. 7166. Gn. 39:76. G.F. 3:513 (adapted 

 in Fig. 984). G.C. III. 8:327. G.M. 34:320. Suitable 

 for greenhouse cult. ; in the northern states it is apt to 

 winterkill if left unprotected. 



Section VITICELLA. 



20. Viticella, Linn. Climbing 8-12 ft. : Ivs. some- 

 times entire, but usually divided into 3 nearly entire 

 Ifts.: fls. 1^-2 in. diam., growing singly on pedun- 

 cles or sometimes in 3's; sepals 4, blue, purple or rosy 

 purple, obovate, pointed, reflexed; stamens yellow: fr. 

 with rather short glabrous tails. June-Aug. S. Eu. to 

 Persia. R.H. 1860, p. 183; 1876:110; 1879:350 (vars.). 

 B.M. 565. G. 22:310; 8:399. H.W. 3, p. 15. Lav. 7. 

 This is the type of one of the leading groups of 

 garden clematises, and is one of the parents of the 

 Jackmanii type of hybrids. 



The following are garden varieties: 



Var. albifldra, Kuntze. Fls. white. 



Var. rubra, Hort. Fls. purple. Var. riibra grandifldra, Jackman, 

 has larger bright crimson fls. and 6 sepals. F.S. 20:2053 (1783). 

 F. 1872:265. 



Var. kermesina, Lem. (C. kermesina, Hort.). Fls. of bright wine- 

 red color, purple being absent. Gn. 39 : 30. 



Var. lildcina-floribunda, Hort. (C. lilacina-floribunda, Hort. C. 

 floribunda, Hort.). Fls. pale gray-lilac, conspicuously veined. 

 On. 18, p. 389 (note). An abundant bloomer. Produced in an 

 English garden in 1880. 



Lady Bovill, Jackman (C. Lady Bovill, Hort,). Fls. cup- 

 tormed, sepals being concave and little or not at all recurved at 

 e ends, fls. 4 in. across; sepals 4-6, grayish blue; stamens light 

 brown. M. & J. 15. R.H. 1876: 190. 



Var. ma.Tmora.ta, Jackman (C. marmorata, Hort.). Fls. rather 

 small, with 4 broad sepals, light grayish blue with darker veins, 3 



