GARDEN BOTANY. lxxiii 



Order APOCYNACE-ZE. Dogbane Family. 



Manual, p. 3-19. — To the synopsis there given add the following exotics : — 



Corolla salver- form or the tube more or less funnel-form, 



Rose-colored, crowned with appendages in the throat 1. NERTUM. 



Blue, or sometimes pink or white, naked at the throat 2. VINCA. 



1. Nerium Oleander, Oleander. Shrub, of common house culture, 

 with smooth and coriaceous lanceolate leaves, often in whorls, and clusters 

 of large and showy rose-colored flowers, single or double. 



2. Vinea minor, Common Periwinkle. Stems prostrate, rooting more 

 or less, only the short flowering ones erect ; leaves evergreen, ovate or oblong, 

 shining above; flowers blue, in spring, also a white variety. 



V. major, Great Periwinkle, is rarer and not quite hardy, with 

 larger and round-ovate leaves (often variegated with white), larger flowers, 

 and sterile stems not so prostrate. 



V. lierbacea is hardy ; stems reclining ; leaves laneeoiate-obiong, not 

 evergreen ; lobes of the blue corolla oblong. 



V. rosea is a tender low shrub, with oblong leaves, the showy corolla 

 pink-purple, or white with a pink eye. 



Order ASCLEPIADACEJE. Milkweed Familt. 



Manual, p. 350. — No common hardy plants, excepting some of our wild spe- 

 cies, are found in the gardens. In house-culture the only common ones are, — 



1. Hoya carnosa, Wax-plant ; a climbing plant, with opposite and 

 oval smooth leaves of very thick and firm texture, and an umbel of wheel- 

 shaped flowers, which look as if made of wax. 



2. Stapelia. Two or three species, looking like Cactuses, having fleshy 

 and lumpy stems and no leaves ; flowers solitary, large, wheel-shaped, lurid, 

 of strange appearance and disgusting odor. 



Order JASMINACEJE. Jessamine Family. 



Shrubs, often twiners, with compound leaves and fragrant flowers ; corolla 

 salver-form, convolute in the bud, usually 5-lobed ; the stamens only 2 ; ovary 

 2-celled, a single erect ovule in each cell. One or two Jessamines are common 

 house-plants. 



1. Jasminurn odoratissimum, Yellow Sweet Jessamine. Leaves 

 alternate, with 3 or 5 leaflets ; corolla yellow, an inch long. 



J. officinale, White Jessamine. Leaves opposite, with 7 leaflets ; 

 corolla white; teeth of the calyx slender. 



Order OLEACEJE. Olive Family. 



Manual, p. 356. — This order furnishes some familiar flowering shrubs. 



Corolla with a tube longer than its lobes and longer than the calyx, 



Salver-form, the tube elongated : pod flattened 1. SYRINGA. 



Funnel-form, small : fruit a berry. . . . Man. p. 356. LIGUST11UM. 



Corolla 4-parted or 4-petaled : leaves simple. 



Leaves earlier than the flowers : petals long-linear, white. . . CHIONANTITUS. 



