XYII 
Stas 4. Style entire. 
57. Dipsaceae. Each fl. in an involucel (exterior calyx) 
closely enveloping the calyx (and later the fr.)—Ls opp. FIs 
hermaphrodite. 
f FIs not in a head surrounded by a many-leafed 
involucre. 
* Number of stas equal to or less than the divisions 
of the cor. 
0 Ls alternate. 
42. Cucurbitacese. FIs 1-sexual. Stas 5, united in pairs, 
the odd one free, or all free, with strangely twisted anthers. 
Fr. fleshy with parietal placentee.—Gen. climbing pis with 
spiral tendrils. Those of this country are gamopetalous. 
60. Campanulacese. FIs hermaphrodite. Stas 5, free or 
only slightly united. Fr. capsular, 2—3-celled (in some foreign 
species 5-celled). 
0 Ls opp. or whorled. 
56. Valerianaceae. Stas gen. 3 (1—3). Style 1. Fr. dry, 
l-seeded, indehiscent, 3-celled with 2 empty and smaller 
cells, or, through suppression of the empty cells, 1-celled. Ls 
opp., exstipulate. 
55. Stellatae (Rubiacese). Stas gen. 4 (3—5). Styles 2, 
free or united. Fr. a sehizocarp. formed of 2 gen. globular, 
l-seeded, indehiscent carps.—Ls whorled. 
54. Caprifoliacese. Stas gen. 5. Style 1, or 3 sessile stigs. 
Fr. fleshy, berry- or drupe-like.—Ls opp. Ligneous pis, more 
rarely herbaceous. 
* Stas twice as many as pets , 8 — 10. 
61. Vacciniaceae. Anthers prolonged upwards in 2 tubular 
horns perforated at the top. Berry.—Shrubs. See Ericaceae. 
Hypogynous monopetalae. *) 
Insertion of the cor. hypogynous. Stas gen. inserted on the corolla. 
Ovary superior. 
§ Stas, twice as many as the divisions of the 
corolla, or (in Ebenaceae) indefinite. 
62- Ericaceae. FIs hermaphrodite. Stas gen. 8 or 10, 
rarely 5, inserted on the receptacle. Anther-cells opening by a 
terminal pore, often prolonged to a spur. Caps., drupe or berry. 
—Shrubs. The Pyrolacece and Monotropacece are distinguished 
by the free pets and the absence of cotyledons, the Vacci- 
niacece by the inf. ovary. 
*) Among hypogynous polypetalse the pets of the following are more or 
less united: Delphinium, Impatiens, Malvaceae, Polygalaceae and Fu- 
mariaceee. 
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