154 CLASS XIII. 



horned behind; capsules 1 or 3, pod-like. By some the cc-roliais con- 

 sidered as a coloured calyx. (larkspur.) 



AQUILE'GIA. Calyx 0; petals 5, caducous; nectaries 5, alternating 

 with the petals, and terminating downwards in a spur-like nectary ; 

 capsules 5, erect ; acuminated with the permanent styles, many-seed- 

 ed. By some the nectaries are considered as petals, and the corolla 

 as a coloured calyx. (columbine.) 



HYPER"ICUM. Calyx 5-parted ; divisions equal, sub-ovate ; corolla 

 o-petaled ; filaments often united at the base in 3 or 5 sets ; styles 2 to 

 5 ; capsules membranaceous, roundish, with a number of cells equal 

 to the number of styles. The bases of the filaments are often in 

 groups, when they are not united. (St. John's wort.) 



Exotic. 



P^EO'NIA. Calyx 5-leaved ; petals 5 ; styles ; stigmas 2 or 3 ; cap- 

 sules pod-like, many-seeded. Remarkable for the multiplication of 

 petals by rich culture. (peony.) 



Order 13. Polygynia. Many pistils. 



A. Perianth none. 



CLEM"ATIS. Petals 3, 4, 5, or 6; seeds compressed; styles perma- 

 nent, becoming long plumose tails. (Some species are dioecious.) 

 (virgin's bower.) By some the corolla is considered a coloured calyx. 



ANEMO'NE. Petals 5 to 9 ; seeds numerous, naked. (wind-flower, 

 rue anemone.) The corolla is considered a calyx by some. 



CAI/'THA. Petals 5 to 9; orbicular; capsules numerous, (5 to 10,) 

 many-seeded, compressed; 1-celled, spreading; nectaries 0. (Pistils 

 variable in number.) (American cowslip.) By some the corolla is 

 mistaken for a coloured calyx. 



B. 'Having a perianth. 



HEPAT"ICA. Calyx 3-leaved, a little distance below the corolla, en- 

 tire ; petals 6 to 9 ; seeds without tails. (liverleaf.) 



RANUN"CULUS. Calyx 5-leaved ; petals 5, with claws, and a necta- 

 riferous pore or scale on the inside of each; seeds without tails, na- 

 ked, numerous. (crow-foot.) 



CLASS xin. DIDYNAMIA. Having' Four Stamens. Two Sta- 

 mens longer than the other two. 



Order 1. Gymnospermia. Seeds naked in the Calyx. 



A. Calyx deleft, wUh the divisions, or teeth, nearly equal. 



MEN'THA, Corolla nearly equal, 4-lobed; broadest division, emar- 

 ginate; stamens erect, distant. (spearmint, peppermint.) 



HEDEO'MA. Calyx 2-lipped, gibbose at the base ; upper lip with 3 

 lanceolate teeth; lower lip with two subulate ones; corolla ringent; 

 8 short stamens barren. (pennyroyal.) 



NEP'ETA. Calyx dry, striate : corolla with a longish tube ; under 

 lip with the middle division crenate, throat with a reflected margin ; 

 stamens approximate. (catmint.) 



GLECHO'MA. Calyx 5-cleft ; corolla double the length of the calyx ; 

 upper lip 2-cleft ; lower lip 3-cleft, with the middle segment emargi 



