THE GENERA OF BRITISH FLOWERING PLANTS 211 



12S. CratcBgus. — Calyx-sejfments 5, acute; 

 petals 5; styles 1-5; fruit a drupe, oval, with 1-5 

 long stones, 1-2-sceded. 



129. Cotoneaster. — Calyx-segfments 5; petals 

 5 ; styles 2-5 ; fruit a drupe, turbinate, with 3-5 

 half-exserted stones, not cohering^ at centre. 



Order 27. Saxifracace.'E 



130. Saxifraga. — Herbaceous plants; calyx 

 5-fid; petals 5; stamens 10; styles 2; ovary 

 2-celled; truit a capsule. 



131. Chrysosplenium. — Herbaceous plants; 

 calyx 4-lid ; petals o; stamens 8-10; styles 2; 

 capsule I -celled, 2-beaked. 



132. Parnassia. — Herbaceous plants; calyx 

 inferior, 5-cleft ; petals 5 ; stamens 5, perijfynous, 

 with 5 scales; stigmas 3-4; capsule i-celled. 



133. Ribes. — Shrubs; calyx 5-cleft, superior; 

 petals 4-5; stamens 4-5; ovary i-celled; fruit a 

 berry, many-seeded, crowned with persistent 

 caly.x. 



Order 28. CrassulacE/E 



134. Tillaea. — Leaves opposite; sepals, petals, 

 and stamens j-4 ; no scales ; carpels 3-4, 2-seeded. 



135. Cotyledon. — Leaves alternate; sepals 5; 

 petals 5, united below; stamens 10, inserted on 

 corolla ; scales 5. 



136. Sedum. — Leaves alternate; sepals and 

 petals 5; stamens 10-12; scales entire; carpels 

 5-6; seeds numerous. 



137. Sempervivum. — Succulent; leaves alter- 

 nate; sepals 6-10; petals 6-20; stamens 12-40; 

 scales laciniate. 



Order 29. DROSERACEiE 



138. Drosera. — Leaves glandular: sepals, petals, 

 and stamens 4-8; styles 3-5, 2-fid ; capsule 1- 

 celled, 3-5 ; seeds numerous. 



Order 30. HALOR.\GACEiE 



139. Hippuris. — Aquatic ; leaves in whorls, 

 entire; caly.\ 2-lobed, minute; petals o; stamen 

 I; fruit a nut, i-celled. 



140. Myriophyllum. — Aquatic, submerged ; 

 calyx 4-lul ; petals 2-4 ; stamens 8 ; styles 4 ; 

 fruit of 4 hard nuts. 



141. Callitriche. — Aquatic mainly, floating; 

 leaves opposite, entire; perianth o; stamen 1; 

 fruit of 4 lobes, not opening. 



Order 31. LvTHRACEjE 



142. Peplis.— Calyx bell-shaped, with 12 teeth; 

 petals 6 or o; stamens 6 or 12; style short ; capsule 

 2-celled. 



143. Lythrum. — Calyx tubular, cylindrical, 

 teeth 8-12; petals 46, exceeding calyx-teeth; 

 style slender. 



Order 32. Epilobiace^ (Onagrace^e) 



144. Epilobium. —Flowers pink or red; calyx 

 4-cleft; petals 4; stamens 8; capsule 4-cellcd, 

 4-valved. 



145. Ludwigia. — Plant floating; flowers small; 

 calyx 4-clert; petals short, 4 or o; stamens 4; 

 stigma capitate; capsule obovate, 4-celled. 



146. CEnothera. — Flowers yellow; calyx united 

 below; petals 4; stamens 8; seeds not bearded. 



147. Circaea. — Flowers small, white; calyx 

 2-fid; petals 2; stamens 2; capsule 1-2-celled, with 

 hooked bristles. 



Order 33. Cuclrbitace.^ 



148. Bryonia. — Plant dicecious; tendril climber; 

 calyx and corolla 5-toothed ; stamens 5, in 3 

 bundles; style 3-fid; fruit a berry; seeds oval; 

 few. 



Order 34. UMBELLIFER.E 



149. Hydrocotyle. — Stem creeping; leaves 

 peltate, simple; calyx small; petals entire; fruit 

 of 2 flat carpels with 5 ridges; vittaa o. 



150. Eryngium. — Leaves palmate, spinose; 

 flowers in dense capitate umbels; calj'X of 5 leaf- 

 like teeth; petals erect; fruit covered with chaffy 

 scales. 



151. Astrantia. — Leaves palmate; calyx of 5 

 teeth, leafy; bracts very large; coloured; petals 

 erect; fruit with 5 plaited, dentate ridges. 



152. Sanicula. — Leaves palmate; calyx 5-fid; 

 petals with long inflexed point; fruit with hooked 

 spines, 



153. Danaa (Physospermnm). — Calyx with 5 

 teeth; petals obcordate; fruit bladdery; carpels 

 round, with 5 sharp ridges, 2 lateral within mar- 

 gin; vitta; solitary, in furrows. 



154. Conium. — Calyx small; petals obcordate, 

 point inflexed; carpels with 5 thick, wavy, scal- 

 loped ridges; vittai none or several. 



155. Smyrniura. — Calj'x none or small; petals 

 entire, elliptic ; fruit black, flat ; mericarps kidney- 

 shaped, with 3 prominent sharp ridges; vitta; 

 many. 



156. Bupleurum. — Leaves simple, entire; flowers 

 yellow; calyx small; petals round, entire; carpels 

 with winged ridge. 



157. Txmia (Aphtellu). — Leaves compound; leaf- 

 lets linear; plant dioecious; petals entire, white; 

 involucre of lew bracts or none. 



158. Apium. — Leaves compound; flowers bi- 

 sexual, white; calyx o; petals entire; fruit ovoid; 

 carpels with 5 filiform ridges; vitta; solitary. 



159. Cicuta. — Calyx with 5 teeth, leafy; petals 

 obcordate; fruit didymous, with obscure ridges; 

 vittje solitary. 



160. Carum. — Calyx small; petals notched; 

 base of style depressed; carpophore 2-partite; 

 ridges slender. 



161. Sison. — Upper leaves pinnatifid; fruit flat, 

 with blunt ridges: vittae club-shaped, solitary. 



162. Falcaria. — Petals notched; calyx margin 

 with 5 teeth; vilts solitary. 



163. Sium.^ — Leaves all pinnate; calyx with 5 

 small t<-elh; petals obcordate; general and partial 

 involucral bracts numerous; carpels with 5 blunt 

 ridges: disk depressed or conical; vittae long, 

 several. 



