374 Order 62.— HAMAMELACE.ffl. 



perfect fis. are central and much smaller. It thrives in large pots of peat mixed 

 with loam, abundantly watered. The flowers endure several months, f 



13. DECUMA'RIA, L. (Lat. decern, ten ; from the 10-parted flowers.) 

 Fls. all fertile ; calyx 7 to 10-tootUed, tube adherent to the 5 to 10- 

 celled ovary ; petals as many as calyx teeth, oblong-spatulate, valvate in 

 the bud ; stamens ^ times as many as the petals, in one row, epigynous ; 

 stigma as many as petals, radiate, capsule urn-shaped, many-ribbed, 

 crowned with the style, oo-seeded. — A shrub creeping or climbing by 

 rootlets, with opposite lvs. and cymes of white, fragrant fls. 



D. barbara L. A beautiful climber, in damp woods, N. Car. to Fla. and La., as- 

 cending trees 15 to 30f. Lvs. ovate or oval, entire or obscurely serrate, acute or 

 acuminate, very smooth, — those of the young creepers elliptical, irregularly 

 toothed. Cymes terminal on the divergent branches, with numerous fls. Caps, 

 persistent, exhibiting in winter their curious structure. May, Jn. 



14. PHILADEL'PHUS, L. False Syringa. (To Philadelphus, king 

 of Egypt.) Calyx 4 to 5-parted, half superior, persistent; corolla 4 to 

 5 -petal ed ; style 4-clcft ; stamens 20 to 40, shorter than the petals; 

 capsule 4-cellcd, 4-valved, with loculicidal dehiscence; seeds many, 

 arilled. — Handsome flowering shrubs. Lvs. opposite, exstipulate. 



1 P. incdorus L. Glabrous; lvs. ovate, acute or somewhat acuminate, triple- 

 veined, entire, or with few obscure teeth; sep. acute, scarcely longer than the tube; 

 sty. united. — Va. to Ala. in the upper country (Buckley). Fl3. small, several at 

 the end of each branchlet, inodorous. May, Jn. 



2 P. grandiflorus Willd. Lvs. ovate, acuminate, sharply denticulate, 3-veined, 

 axils of the veins hairy; sep. acuminate, much longer than the tube; stig. 4, linear; 

 sty. united. — A very showy shrub, 6f high, native at the South, cultivated in 

 shrubberies. Branches smooth, long and slender. Fls. large, in a terminal um- 

 bel of 2 or 3, white, nearly inodorous. Jn. — The upper lvs. are often entire and 

 quite narrow, f 



3 P. coronarius L. Mock Orange. Lvs. ovate, subdentate, smooth ; sty, 

 1 distinct. — Native of S. Europe. A handsome shrub, often cultivated in our shrub- 

 beries. The fls. are numerous, cream-colored, showy, resembling those of the 

 orange both in form and fragrance, but are more powerful in the latter respect. 

 It grows 5 to 8f high, with opposite, smooth, ovato, stalked lvs. and opposite, red- 

 dish twigs bearing leafy clusters of flowers, f 



15. DEUT'ZIA gracilis and D. scabra, are two handsome shrubs 

 occasionally cultivated in parks. The genus is readily recognized by 

 the filaments, which are 3-cuspidate at the top, bearing the anther on 

 the middle cusp. 



D. scabra Thunberg, has ovato, acute, sharply serrate, pilous leaves, with 

 terminal, downy racemes of handsome, bell-shaped, white flowers, each usually 

 with 3 pistils, f Eastern Asia. 



Order LX1I. HAMAMELACE^E. Witchhazelworts. 



Shrubs or trees with alternate, simple leaves and deciduous stipules. Flowers in 

 heads or spikes, often polygamous or monoecious. Calyx adherent. Petals linear, 

 valvate or convolute in bud or wanting. Stamens twice as many as petals (the op- 

 posite sterile and scale-like) or CO . Ovary of 2-carpels, 2-celled and 2-styled, ovules 

 1 or GO in. each cell Fruit a woody capsule, 2-beaked, 2-celled and 2-seeded. 



Genera 14, specie? 20, widely diffused. Various species of Liquidambar yield the pungent re- 

 sin called storax. Otherwise the products of this order are unimportant. 



TRIBES AND GENERA. 

 2. Hamamele^e. Tlowers dichlamydeous. Ovule solitary in each cell. Calyx 



4-psrted; petals ligulate, long. Shrub Hamamelis. 



