CLEMATIS 



CLEMATIS 



797 



rounded teeth, often 3-lobed or 3-parted, densely 

 pubescent on both sides. Cent. China. Var. grandi- 

 dentata, Rehd. & Wilson. Lfts. occasionally only 3, 

 incisely dentate, usually rounded at base, glabrescent 

 above, silky pubescent beneath, chiefly on the veins, 

 2-3 H in. long. Cent. China. 



991. 



Flower of Clematis 

 paniculata. 



990. Clematis paniculate. ( X Yz) 



41. Vitalba, Linn. In England called TRAVELER'S 

 JOY. The most vigorous climber of the genus, ascend- 

 ing 20-30 ft.: Ivs. pinnate; Ifts. ovate to ovate-lanceo- 

 late, acuminate, cordate at the base, partly cut, 2-3^ 

 in. long: fls. numerous, in axillary panicles, dull white, 

 %in. across, with a faint odor of almonds: styles of 

 fr. long and feathery, from which it is given the name 

 "old man's beard." July-Sept. Eu., N. Afr. Cauca- 

 sus region. Gn. 31, p. 187; 45, p. 389; 53, p. 546. M. 

 D.G. 1898:319. J.H. III. 54:441. H.W. 3, p. 13. 

 There is a hybrid of this species with C. heraclesefolia, 

 for which see No. 12. 



42. virginiana, Linn. Fig. 992. Climbing 12-15 ft.: 

 Ivs. ternate; Ifts. glabrous, cut-toothed, bases often 

 cordate, 2-3 in. long: fls. white, in leafy panicles, often 

 mono3cious or dioecious, about 1 in. across when 

 expanded; plumose styles 1 in. or more in length. July- 

 Sept. Nova Scotia to Ga., westward to Kan. G.W.- 

 F.A. 12. V. 3:19; 9:36. Var. Catesbyana, Brit. (C. 

 Catesbyana, Pursh). Lvs. somewhat pubescent, often 

 biternate. Southeastern states. Intro. 1883. 



43. ligusticifolia, Nutt. Allied to C. virginiana, but 

 having 5-7 Ifts., of firmer texture, rather more pubes- 

 cent, variable in form and margin, but usually 3-lobed 

 or coarsely toothed, 1-2 in. long: fls. white, %in. 

 across, in terminal and axillary panicles; styles densely 

 silky-pubescent, with long, straight 



hairs. Aug. Mo. to New Mex. and A 

 Brit. Col. Intro. 1881. Var. calif 6r- M 

 nica, Wats., has no marked differ- v<\ 

 ence: Ivs. usually smaller and per- 

 haps more tomentose. 



44. Drummondii, Torr. & 

 Gray. Climbing: st. and Ivs. 

 ashy pubescent: Ivs. pinnate; Ifts. 

 coarsely cleft, with the segms. more 

 or less flaring and sometimes 

 toothed, J^-l in. long: fls. dioeci- 

 ous, white, %in. across, in 3-fld. 

 cymes or sometimes solitary; styles ' 



becoming 2-4 in. long. Sept. Dry ground, Texas to 

 Ariz. 



45. lasiantha, Nutt. Climbing; tomentulose: Ivs. 

 ternate; Ifts. roundish, few-toothed, tomentulose on 

 both sides or glabrous above, 1-2 in. long: fls. 1-3, axil- 



lary from scaly buds on last year's branches, white, fra- 

 grant, \ l /2 in. across; sepals tomentose outside: achenes 

 pubescent, with long feathery tails. Spring. Calif. 



Group HEXAPETAL^:. 



46. indivisa, Willd. Large woody climber: Ivs. ter- 

 nate, coriaceous; Ifts. ovate-oblong to narrow-oblong, 

 subcordate, 1-4 in. long, usually entire: fls. in axillary 

 panicles, white, 2-4 in. across 



with 6-8 oblong sepals: achenes 



pubescent with a long plumose 



tail. New Zeal. Only the fol- 



lowing var. seems to be in 



cult.: Var. lobata, Hook. Lfts. 



more or less lobed or even 3-^ 



parted. B.M.4398. R.H. 1853: 



241. F.S. 4:402. Gn. 12:400; 41, 



p. 336; 53, p. 547; 74, p. 527; 



77, p. 67. H.F. 1853:144. G.C. 



III. 29:215; 38: 135. G.M. 50: 



267. G. 8:289; 32:281-3. J.H. 



111.62:387. A.F.13:879; 16:56; 



30:221. Gng. 16:199; 8:356. G.F. 6:167. Only for 



warm or temperate regions, often cult, as a green- 



house plant and flowering profusely in winter and 



early spring. 



Group ORIENTALES. 



47. orientalis, Linn. (C. graveolens, Lindl.). A rapid 

 climber, reaching 12-15 ft.: Ivs. thin, glaucous and 

 shiny, pinnate; Ifts. 3-parted or -lobed, with small, 

 ovate or oblong-ovate, entire or cut-toothed divisions 

 l /2-l% in. long: fls. in few-fld. cymes, sometimes 

 solitary, becoming erect or nearly so, 13^ in. across; 

 sepals 4, yellow, tinted with green, pubescent on both 

 sides, spreading, somewhat reflexed; styles plumose. 

 Aug., Sept. Himalaya region to Persia. Lav. 21. 

 B.M. 4495. Gn. 31, p. 186; 45:240; 52, p. 501. F.S. 

 4:3746 (pi. 336); 6:548. R.H. 1855:321; 1899, p. 

 530. J.F. 2:128. P.F.G. 2, p. 67. Gng. 5:227. 

 V. 3:362. 



48. glaftca, Willd. (C. orientalis var. glaiica, Maxim.). 

 Slender climber, glabrous: Ivs. pinnate, very glaucous; 

 Ifts. usually oblong, obtusish, entire or sometimes 3- 



lobed or 3-parted, 1-2 in. long: fls. 

 yellow, open, campanulate, nodding, 

 1^2 m - across, in few-fld. axillary 

 cymes; sepals quite glabrous inside and 

 nearly so outside, not reflexed: achenes 

 with long plumose tails. Aug.-Oct. 

 Siberia to W. China. R.H. 1890, p. 

 561. Hardier than the 

 preceding species. Var. 

 akebioides, Rehd. & Wil- 

 son. Lfts. usually 3-lobed 

 with broad rounded lobes 

 often coarsely crenate, 

 about 1 in. 

 long: fls. usu- 

 ally in 3's, 

 rarely solitary. 

 W. China. Var. 

 angustifdlia, 

 Ledeb. (C. in- 

 tricdta, Bunge). 

 Lfts. usually 

 3-parted with narrow 

 generally linear-lanceo- 

 late segms. Mongolia. 



49. tangfctica, Kor- 

 shinsky (C. orientalis 

 var. tangutica, Maxim. 

 C. eridpoda, Koehne, 

 not Maxim.). Climb- 



