144 HAMAMELIDACEAE. 



2. PHILADELPHUS L. Shrubs. Leaves deciduous: blades entire or 

 toothed. Sepals 4 or 5, prominent. Petals convolute, relatively large. Stamens 

 numerous, or very rarely 15. Styles present. Capsule loculicidal. 



1. P. inodorus L. Shrub 2-3 m. high: leaf -blades ovate, often broadly so, 

 or oval, 3-10 cm. long, prominently 3-5-ribbed at the base: sepals ovate: 

 corolla 3-4 cm. wide. M. Rare, on the banks of the Little Chiquesalunga 

 Creek. Nat. of the s. U. S. Spr. MOCK-ORANGE. 



FAMILY 6. HAMAMELIDACEAE. WITCH-HAZEL FAMILY. 



Shrubs and trees. Leaves alternate: blades mostly toothed. Flowers 

 perfect, monoecious, or polygamous, variously clustered or spicate. Calyx 

 of 4 or 5 sepals. Corolla of 4 or 5 narrow petals, or wanting. Androe- 

 cium of 4-many stamens. Gynoecium 2- or 3-carpellary. Ovary* 2- or 3- 

 celled : styles distinct. Fruit a leathery or woody capsule, often elastically 

 dehiscent. 



1. HAMAMELIS L. Shrubs or trees, with perfect or polygamous flowers, 

 which are borne 3 together on short lateral peduncles. Sepals spreading or 

 reflexed. Stamens 4: filaments short-subulate. Capsule abruptly beaked. 



1. H. virginiana L. Shrub or small tree: leaf -blades suborbicular, oval- 

 elliptic, or obovate, 4-15 cm. long, coarsely crenate: petals yellow, 1-2 cm. 

 long: capsules ovoid to subglobose, 12-15 mm. long, elastically dehiscent. 

 Common, in woods and thickets, and on stream-banks. Fall. WITCH-HAZEL. 

 WITCH-ELM. 



FAMILY 7. GROSSULABIACEAE. GOOSEBERRY FAMILY. 



Shrubs, often spiny. Leaves alternate: blades usually palmately 

 lobed or cleft. Flowers borne in racemes, which are sometimes reduced to 

 few flowers, or to a single flower. Calyx of 5 sepals borne on the 

 hypanthium. Corolla of 5 relatively small petals. Androecium of 5 

 stamens. Gynoecium of 2 partially united carpels: ovary with 2 parietal 

 placentae : styles more or less united. Fruit a many-seeded berry. 

 Flower-stalk jointed beneath the ovary : berry disarticulating from the pedicel. 



Flower-stalk not jointed beneath the ovary : berry not disarticu- 

 lating from the pedicel. 2. GEOSSULAEIA. 



1. RISES L. Shrubs with erect stems and branches, without nodal spines. 

 Leaf -blades palmately veined and lobed. Flowers solitary or few together, 

 borne on stalks which are jointed beneath the ovary. Berry disarticulating 

 from the stalk. CURRANT. 



1. R. americanum Mill. Shrub with grayish twigs: leaf -blades 2.5-7 cm. 

 wide, finely pubescent, with 3-5 triangular or ovate lobes irregularly toothed: 

 hypanthium usually pubescent in lines above the ovary: sepals oblong-ovate, 

 5-6 mm. long: petals oblong, as long as the sepals: stamens about as long 

 as the petals : berries 6-10 mm. in diameter, black. Common, on roadsides 

 and in fence-rows and thickets. Spr. WILD BLACK-CURRANT. 



2. GROSSULARIA Mill. Shrubs with irregular arching or recurved 

 stems and branches, and with nodal spines. Leaf -blades palmately veined. 

 Flowers in drooping racemes or panicles, borne on stalks which are jointed 

 near the base. Berry not disarticulating from the stalk. GOOSEBERRY. 



