194 ROSACEAE 



RUBUS — continued 



digitate, 5-fol.; Iflts. pinnately lobed or dissected, downy below. Fls. i, 

 pinkish white, in large terminal panicles. Fruit |, black, sweet. Origin 

 unknown. (Fig. 20 e.) 



R. loganobaccus. Loganberry. May-June. D. Stems long, rambling, and 

 prickly. Ls. pinnate, 5-fol. ; Iflts. ov., 4, downy or white-felted below. 

 Fls. large, white or pinkish. Fruit i, conical, purple. Hybrid. 



R.phoenicolasus. Wineberry. July. D. Stems and l.-stalks densely covered 

 with reddish bristles. Ls. 3-fol. ; Iflts. white-felted below, terminal one 

 much the largest. Fls. pink, sepals much larger than petals. Fruit |, 

 conical, bright red. China and Japan. 



R. procerus. July-August. D. Very vigorous. Stems stout, grooved, with 

 scattered reflexed prickles. Ls. 5-fol.; Iflts. broadly ov., white-felted 

 below. Fls. I, white, in white-felted panicles; stamens very large. 

 Fruit black. Europe. 



(The so-called Himalaya Berry is probably this.) 



R. spectahilis. April. D. Ls. 3-fol.; Iflts. ov., 4, hairless or nearly so. Fls. i, 

 purplish red, fragrant, solitary or a few together on old wood. Fruit 

 large, egg-shaped, orange-yellow. West North America. 



R. ulmifolius {R. rusticanus). July. D. Stems arching, grooved, plum- 

 coloured, rooting freely at tips. Ls. 3-5-fol.; white-felted below. Fls, 

 rosy red, in conspicuous cylindrical racemes or panicles. Fruit small, 

 black. Europe (including Britain). 

 Y ariety flore pleno. Fls. double. 

 Variety inermis. Stems without prickles. 

 Variety variegatus. Veins of 1. yellow. 



(HI) Ovary Superior; fruit fleshy, i -seeded 



(Plum and Cherry Section) 



DiCHOTOMANTHES TRISTANIAECARPA. 20. June. E. Young branchlets covered 

 with white wool. Ls. alternate, ov., 4, entire, pointed, tapering base, dark green 

 above, silky-hairy below, stalk very short. Fls. I, white, in terminal branched 

 clusters, C5, A15-20, sepals enlarge and become fleshy, entirely enclosing fruit. 

 China. (Fig. 117 N.) 



NuTTALLiA (Osmaronia) cerasiformis. Oso Berry. 8. March. D. Numerous 

 stems springing erect from ground. Ls. alternate, oblong, lane, 3I, entire, thin, 

 downy and greyish below. Fls. I, white, in short stiff drooping racemes, often 

 unisexual with the sexes on different trees. Fruit f , plum-like, purple. California. 

 (Fig. 119 B.) 



PRINSEPIA. Stem with axillary spines and chambered pith. Ls. alternate 

 or in clusters. Fls. in small axillary clusters or racemes, K5, C5, Aio, Gi. Fruit 

 a berry. 



P. sinensis. 6. May. D. Ls. lane, 3, entire or faintly toothed, margins 



fringed with fine hairs, Fls. ^, yellow. Berry |, red, juicy. Manchuria. 



P. uniflora. 6. April. D. Ls. linear, lane, 2, minutely toothed or entire, 



hairless. Fls. f , white. Berry |, round, red or purple, juicy. China. 



(Fig. 52 L.) 



