SYNOPTICAL KEY. x i x 



t 



+- -t- -t- -f- Fruit indehiscent, dry or berry- or drupe-like, 2- (rarely 3 - 5-) celled, the cells with 

 one suspended seed. Ovary with an epigynous disk (wanting in Garrya). 



++ Flowers in umbels. Herbs, mostly with alternate and compound leaves. 



45. Umbelliferae, p. 252. Carpels and styles 2 : fruit dry. Umbels mostly compound. 



46. Araliaceae, p. 273. Carpels and styles 4 or 5, forming a berry -like fruit. Umbels panicled. 



++ -H- Flowers in cymes or aments. Shrubs (rarely herbaceous) with opposite entire leaves. 



47. Cornaceae, p. 274. Drupes baccate, 1 - 2-celled. Flowers perfect and cymose, or dicecious 



and in aments, 4 - 5-merous : petals valvate, distinct : style 1. 

 Baccate drupes containing 1 to 5 seed-like nutlets. Flowers perfect, cymose, 5-merous : petals 



imbricate, united. Shrubs with simple or pinnate leaves. SAMBUCE,E in Capri foliacece. 

 Fruit a berry or drupe, containing 2 to 5 thin 1 - 2-celled carpels or nutlets : ovaries 2 in each 



carpel, ascending. Flowers 5-merous : stamens 10 or 20 : petals imbricate, distinct. 



Shrubs or trees, with simple alternate stipulate leaves. POMACES in liosacece. 



DIVISION II. GAMOPETAL^E. Petals united above their base (very rarely wanting). Calyx 

 generally persistent (sometimes minute). 



A. Ovary inferior. 

 * Filaments and anthers distinct. Leaves opposite. 



48. Caprifoliaceee, p. 277. Fruit a 1 - 5-celled, 1 - few-seeded berry or capsule. Stamens 4 or 



5 : style 1 or none. Shrubs (one low creeper), with simple or pinnate leaves and no 

 stipules. Seed albuminous. 



49. Rubiaceae, p. 281. Fruit dry, indehiscent, 2-4-celled, 2-4-seeded. Flowers regular, 



4 - 5-merous : style 1, entire or cleft. Shrubs with capitate flowers, or herbs with ttowers 

 mostly cymose ; leaves entire, opposite and stipulate, or vertidllate. Seed albuminous. 



50. Valerianaceee, p. 286. Ovary 3-eelled, becoming a 1-celled 1 -seeded akene-like fruit. Sta- 



mens 3, fewer than the corolla-lobes. Flowers irregular. Herbs, with opposite simple 

 or pinnate leaves, without stipules. Albumen none. 



* * Anthers or filaments (5) united into a tube around the 2-cleft or entire style. No stipules. 



51. Composites, p. 288. Fruit an akene. Flowers in an involucrate head : calyx reduced to 



a pappus or wanting : filaments mostly distinct. Albumen none. 



52. Lobeliaceee, p. 443. Capsule 1 - 2-cellcd, many-seeded, more or less inferior. Flowers 



irregular, scattered or racemose : filaments united ; anthers sometimes distinct. Herbs, 

 with alternate simple leaves. Seeds albuminous. 



* * * Stamens distinct. Leaves alternate, without stipules. 



53. Campanulacese, p. 445. Capsule 2 - 5-celled, many-seeded, with central placentae. Flow- 



ers regular, 5-merous: style 1, 2 - 5-lobed. Herbs; leaves simple. Seeds albuminous. 



Berry many-seeded, 4 - 5-celled. Flowers regular, 4 - 5-merous : anthers opening by terminal 

 pores : style 1. Shrubs, with simple leaves. VACCINIUM in Ericaceae. 



Fruit fleshy, indehiscent. Flowers moncecious or dicecious : stamens commonly united. Tendril- 

 bearing trailing herbs. CUCURBITACE.E. 



B. Ovary superior or nearly so, compound. (Stipules none.) 



* Corolla regular. Stamens not didynamous. 



HH Fruit 5 - many-celled. 



54. Ericaceae, p. 448. Fruit berry-like or capsular, 5 - 10-celled, 5 - many-seeded, with central 



(rarely parietal) placentae. Flowers 4 - 5-merous : style 1 : anther-cells opening by a 

 terminal pore or chink. Shrubs, with simple alternate leaves (opposite in Kalmia), or 

 scaly bracted herbs without green foliage. 



55. Lennoaceae, p. 464. Fruit drupaceous, 12- 20-celled and -seeded. Parts of the flower 5 to 



10 : style 1 : anthers opening lengthwise. Fleshy scaly herbs, without green herbage. 



+- +- Fruit 1 - 4-celled. 

 ++ Fruit 1-celled, with a central basal placenta. 



56. Flumbaginaceas, p. 465. Capsule a 1 -seeded utricle inclosed in the scarious calyx. Flowers 



5-merous : petals nearly distinct. Maritime acaulescent herbs, with entire leaves. 



57. Primulaceae, p. 466. Capsule 5-valved or circumscissile, few - many-seeded : placenta 



basal. Flowers mostly 5-merous : stamens opposite the lobes of the corolla, which is 

 wanting in Glaux: style 1. Herbs, with mostly entire alternate leaves. 



