KEY. 125 



Column of stamens anther-bearing for much of its 

 length, naked and 5-toothed at the summit. Pod 5-celled, 

 the axis evanescent after its dehiscence 73 



60. Stigmas lateral, namely, occupying the inner face of 

 the styles. Carpels 1 -seeded, falling away separately 70 



Stigmas terminal, capitate. Carpels 1 to few-seeded, 

 opening before falling away. Involucel none 72 



70, Involucel of 6-9 bractlets. Leaves ovate, or slightly 

 cordate, toothed, sometimes 3-lobed, velvety downy. Corol- 

 la rose-color. Althaea officinalis, L. 



Involucel of 3 bractlets, or none 71 



71, Petals inversely heart-shaped. Carpels beakless, 

 rounded, blunt. Leaves either roundish, heart-shaped, and 

 crenate, or sharply 5- to 7-lobed. Malva. 



Petals wedge-shaped, truncate. Carpels beaked. Ca- 

 lyx either naked or with a 3-bracteoled involucel at the base. 

 Leaves triangular-cordate, or hastate. Callirrhce, Nutt. 



{Malva <Sb jSida, L.) 



73. Carpels or ovary-cells 1-seeded. Seed pendulous. 



Sida. 

 Carpels or ovary-cells 2- to 3-seeded, the carpels 12- 

 1 5, hairy. Leaves roundish, heart-shaped, taper-pointed, vel- 

 vety. Flowers yellow, on axillary peduncles. 



Abutilon Avicennae, Gaertn. 



73, Involucel of several bractlets. Pod 5-seeded. Rough- 

 ish, hairy, 2-4 feet high. Leaves halberd-shaped and cor- 

 date, the lower ones 3-lobed. Flowers peduncled, axillary. 

 Corolla rose-color. Kosteletzkya Virginica, Presl. 



Involucel of many bractlets. Pod many-seeded. Up- 

 per leaves either ovate, or halberd-shaped, or 3-parted ; the 

 lower ones nearly always 3-lobed. Flowers large, showy, 

 purple, rose-color, or pale greenish-yellow. Hibiscus. 



74. (66.) Leaves alternate. Stamens in 5 clusters V5 



Leaves opposite. Filaments united into 3 or more 



clusters at the base. Sepals and petals 5, the latter oblique. 

 Flowers cymose, yellow. Herbs or shrubs. 



Hypericum (199). 



