lo6 iiA.MA:\ir.i,ACK.K. (witch-hazel family.) 



12. PHILADELPHUS, L. Syringa. 



Cal}-x-tubc 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, morc or less united. Capsule mostly 4-celled, loculi- 

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

 without stipules, and large white solitary or cymosc flowers. 



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

 ovate or ovate-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- 

 ohlong, 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. hirsutUS, 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 slu'ub. Leaves 

 1' long. Flowers ^' wide. 



Order Go. HAMAMELACEtE. (Witch-Hazel Familt.) 



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

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

 with 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 j)erfect. Styles 2. Capsule woody, 2-cclled, oiH'uing at the 

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

 straight, in scarce albumen. 



Synopsi.s. 



1. nAMAMELIS. Calyx-lobes and petals 4. Fertile stamcn.s 4. Ovules solitary in each oe!!, 



suppcndcj. 



2. FOTIIEKCJII.L.X. Calyx 5- 7-toothcd. Petulg none. Stamens numerous, all fertile. 



Ovules soiit'iry. suspended. 



3. LIQt'II).\MIt.\K. Calyx and corolla none. Flowers polygamous or monax;ious, cnpitute. 



Stomeiu nuincrouH. Ovules several. 



1. HAMAMELIS, L. Witch-Hazki.. 



Calyx 2-3-bra(tc(l, 4-]iartcd. Petals 4, long and linear. Stamens P, the 

 alternate ones sliort and sterile. Styles 2. Capsule loculicidally 2-valved at 

 tl>e apex, the outer coat separating fix)m the inner one, whi<h onclo-ics the seed, 

 but soon splits clastically into 2 valves. Seeds large, bony. — Slirubs. Leaves 

 sJiort-pcfioIcd. Flowcr.s yellow, dusicR-d. 



