XXXV111 LINN.EAN ARRANGEMENT 



RUPPIA. Flowers 2, perfect, naked, on a spadix arising from the sheath- 

 ing base of the leaves. Anthers large, peltate. Stigmas sessile, peltate. 

 Fruit drupaceous, pedicellate. Naiadacea, p. 386. 



POTAMOGETON. Flowers perfect, on a spadix arising from a spathe. 

 Perianth single, 4-leaved. Anthers nearly sessile, alternating with the 

 divisions of the perianth. Ovaries 4, becoming four compressed and some*- 

 what cochleate nuts, Naiadacece, p. 386. 



CLASS V. PENTANDRIA 5 Stamens. 

 ORDER I. MONOGYNIA. 1 Pistil. 



* Perianth double, inferior. Corolla l-petalled. Fruit consisting of four 

 naked nuts or seeds. 



OBS. The genera of this division constitute the Natural Order Bora- 

 ginacete, p. 247. 



** Perianth double, inferior. Corolla l-petalled. Seeds covered with a dis- 

 tinct capsule. 



ANAGALLIS. Calyx 5-parted, Corolla rotate, deeply 5-parted. Filaments 

 hairy. Capsule globose, opening hemispherically, many-seeded. Primu- 

 I-acetx, p. 292. 



LYSIMACHIA. Calyx 5 6-parted. Corolla somewhat rotate, 5 6- 

 parted. Capsule globose, 5 10-valved, dehiscent at the summit. Primu- 

 Lacete, p. 291. 



PRIMULA. Calyx tubular, 5-toothed. Corolla salver-form ; tube cylin- 

 dric ; orifice open. Stigma globose. Capsule opening with 10 teeth. 

 Primulacece, p. 289. 



DODECANTHEON. Calyx 5-parted, reflexed. Corolla rotate, 5-parted, 

 the lobes reflexed. Capsule oblong-ovate, 5-valved, many-seeded. Primu- 

 lacece, p. 289. 



HOTTONIA. Calyx 5-parted. Corolla salver-form, 5-lobed. Stamens 

 seated on the tube of the corolla. Stigma globose. Capsule globose, 

 crowned with the persistent style, at length 5-valved. Primulaccce, p. 290. 



MENYANTHES. Calyx 5-parted. Corolla funnel-form ; limb spreading, 

 5-lobed, equal, hairy within. Stigma 1 2-lobed. Capsule 1 -celled, with 

 the axis of the valves seminiferous. Gentianacetz, p. 241. 



LIMNANTHEMUM. Calyx 5-parted. Corolla rotate, 5-parted, the lobes 

 bearded or- scaly at base, and furnished with glands. Stigma 2-lobed. 

 Capsule 1-celled, few-seeded. Gentianacetz, p. 241. 



SABBATIA. Calyx 5 12-parted. Corolla rotate, 5 12-parted. Anthers 

 at length rev6lute. Stigmas 2, spiral. Capsule 1-celled, 2-valved. Gen- 

 tianacece, p. 238. 



ERYTHRJEA. Calyx tubular, 5-cleft. Corolla funnel-form; limb short; 

 5-cleft. Anthers, after flowering, spirally twisted. Style erect. Stigmas 2. 

 Capsule linear, 1 2-celled, 2-valved. Gcnlianacecc, p. 239. 



HYDROPHYLLCM. Calyx 5-parted, the lobes subulate and the sinuses 

 mostly naked. Corolla campanulate, 5-cleft, with 5 longitudinal margined 

 grooves on the inside alternating with the lobes. Filaments bearded in the 

 middle. Stigma bifid. Capsule globose, 2-valved, 1-seeded, 3 other seeds 

 mostly abortive. Hydrophyllaceez, p. 252. 



PHACELU. Calyx 5-parted, the sinuses naked. Corolla tubular-campan- 



