156 HAMAMELACEJE. (\VITCn-HAZEL FAMILY.) 



12. PHILADELPHUS, L. Syringa. 



Calyx -tube turbinate, cohering with the ovary*, the limb 4 - 5-partcd, persist- 

 ent. Petals 4-5, convolute in the bud. Stamens 20-40, shorter than the 

 petals. Styles mostly 4, more or less united. Capsule mostly 4-cellcd, loculi- 

 cidally 4-valvcd, many-seeded. — Shrubs with simple opposite 3 - 5-ribbed leaves, 

 without stipules, and large white solitary or cymose flowers. 



1. P. grandiflorus, Willd. Branches and leaves pubescent; leaves 

 ovate or ovatc-oblong, acuminate, sharply serrate ; flowers solitary, or 2 or more 

 in a terminal cyme; calyx-lobes ovate, acuminate, much longer than the tube. — 

 Banks of streams, Florida to North Carolina. April and May. — Shrub 6° - 10° 

 high, with long and slender branches. 



2. P. inodorus, L. Smooth ; leaves entire or nearly so, ovate or ovatc- 

 oblong, acute; calyx-lobes ovate, acute, as long as the tube. — Upper districts 

 of Alabama to South Carolina. May. — Flowers smaller than in the last. 



3. P. hirsutllS, Nutt. Hairy ; leaves small, ovate, acute, sharply serrate ; 

 flowers 1-3 together, terminal, and on short lateral branches ; calyx-lobes ovate, 

 as long as the tube. — North Carolina and Tennessee. — A small shrub. Leaves 

 1 ' long. Flowers i' wide. 



Ohder Go. HAMAMELACEH. (Witch-Hazel Familt.) 



Trees or shrubs, with alternate leaves, deciduous stipules, and clustered 

 or spiked, often polygamous or monoecious flowers. — Calyx-tube coherent 

 witli the base of the ovary. Petals 4-5, long and linear, or none. Sta- 

 mens twice as many as the petals, with the alternate ones sterile, or nu- 

 merous and perfect. Styles 2. Capsule woody, 2-celled, opening at the 

 summit. Seeds anatropous, bony, 1 - 2 in each cell. Embryo large and 

 straight, in scarce albumen. 



Synopsis. 



1. IIAMAMEMS. Calyx-lobes and petals 4. Fertile stamens 4. Ovules solitary in cadi cell, 



suspended. 



2. FOTHERGILLA. Calyx 6-7-toothed. Petals none. Stamens numerous, all fertile. 



Ovules solitary, suspended. 



3. LIQt.'IlMMHAR. Calyx ami corolla none. Flowers polygamous or moiM.cinus, capitate. 



Stamens numerous. Ovules several. 



1. HAMAMELIS, L. Witoh-Hjlml. 

 Calyx 2-8-bracted, 4-parted. Petals 4, long and linear. Stamens 8, the 



alternate ones Bhorl and Sterile. Styles 2. Capsule locolitfdall] 2-valved :it. 



tin- apex, the outer coat separating from the Inner one, which encloses the Becd, 

 but soon splits elastically into 8 valves. Seeds huge, bony. — Shrubs. 1.' aves 

 iii.rt jietioieii. Flowers yellow, clustered. 



