144 RANUNCULACEAE • CALYCANTHACEAE 



CLEMATIS— continued 



C. lanuginosa. 6. July. D. Ls. 3-fol. or simple; Iflts. 5, heart-shaped base, 



woolly below. Fls. 8, white to pale lilac. China. 

 C. montana. 20. April-May. D. Ls. 3-fol.; Iflts. ov., 4, toothed, rather wrinkled. 

 Fls. 2i, white. Himalaya. (Fig. i a.) 

 Variety rubens. Ls. dark brownish green on purple stems. Fls. 3, 



rosy red. 

 Variety Wilsonii. Fls. 3, white, on downy stalk. 

 C. orientalis. 20. August-October. D. Young stems ribbed. Ls. pinnate or 

 2-pinnate, last division 3-fol.; Iflts. ov., 2, coarsely toothed or lobed. 

 Fls. 2, yellow, solitary, on slender stalk. Caucasus to Himalaya. 

 Variety tangutica. Lflts. lane, with spreading teeth or deeply lobed. 

 Fls. 2, yellow, cup-shaped. Hardier. 

 C. patens. 12. May-June. D. Like C.florida, but no bracts on flower-stalk. 



Fls. white to blue. China and Japan. 

 C. venosa. Like C. florida, but fls. reddish purple. Hybrid. 

 C.Viticella. 12. July-September. D. Stems slender, ribbed. Ls. pinnate or 

 2-pinnate; lflts. ov., 2, blunt-ended, entire or 3-lobed. Fls. i|, purple, P4. 

 Europe. 



White-, blue-, and reddish-flowered varieties in cultivation. 



{c) Fls. saucer-shaped (sepals spreading), in many- 

 flowered panicles 

 C. Armandii. 10. March-April. E. Ls. 3-fol.; lflts. ov., 5, 3-nerved, leathery, 



hairless. Fls. 2|, white. China. 

 C. Flammula. 10. August. D. Lflts. not toothed, 2-3-lobed or 3-fol., bright 

 green on both sides. Fls. i, white, scented. Fruit with long feathery 

 appendages. Europe. 



Variety ruhro-marginata. Fls. white with reddish margin. 

 C. Vitalba. Old Man's Beard, Traveller's Joy. 30. August. D. Ls. pinnate, 

 5-fol.; lflts. ov., 4. Fls. |, greenish white or cream. Fruit with long 

 feathery appendages. Europe (including Britain). (Fig. 9 d.) 



PAEONIA. Tree paeony. Branchlets thick, rough, and pithy, dying back more 

 than half length after flowering. Ls. twice 3-fol. or pinnate, 18. China. 

 P. lutea. 5. May. D. Fls. 4, yellow. China. 



P. Moutan (P. suffruticosa). 5. April-May. D. Fls. 12, white, pink, or red. 



China. (Fig. 18 b.) 



Zanthorrhiza apiifolia. Yellow Root. 2. March. D. Creeping, with erect stems. 



Ls. pinnate or 2-pinnate, with long hollowed main stalk; lflts. ov., 2, coarsely toothed 



or lobed. Fls. small, purple, in clusters of drooping panicles; K5, C small and 



gland-like, A5-10. Roots and stem bright yellow when cut. U.S.A. (Fig. 18 c.) 



Family 2. CALYCANTHACEAE. P 00, A5-30, G 00 

 CALYCANTHUS. Ls. simple, opposite, entire. Fls. large, with numerous 

 strap-shaped petals. 



C.fertilis. 10. May-June. D. Buds hidden by base of l.-stalk. Ls. ov., 6, 

 glaucous below. Fls. i\, greenish purple to reddish purple. Fruit 2\, 

 pear-shaped. South United States. 



Variety nanus. Dwarf form. Ls. 3, green below. 



