SYNOPTICAL KEY. 

 XVlll 



■1 o ^ ^ T, „„^;^rr trinnv c:ppflpfl follicks. Seccl albuminous. Sepals and petals 5, persist- 

 CaT,els2^to^5, b^coming^manys^^^^^^^^^^ -th alternate entire leaves, and no stip.ales. 



Crossosoma in /^«;«"^cJ6jacca^ „eanlescent herbs. Saxifraga in Saxifragacece. 



KS rT^rour SiSU'^^^^^^^^^ leaves. Some Crassu'.ack.. 



CW soUtar^ be oming an ovoid 1-2-seeded follicle Flowers 4-merous. _ Low spmescent 

 Carpel solitary,^ ^ ^^^^^^^^ ^^^^^ ^^^^^^^^ ^^^^^^_ Glossopetalon in Saptndaccce. 



H_ H- Cnrpels nior.. or less imited. Seeds mostly albuminous. Leaves simple : stipules none. 



srSaxifra^ace^, p. 192. Carpels 2 to 5, foi-ming a 1-celled or 2 - 5-celled many-seeded cap- 



s,d m nA.rly distinct. Flowers 5-merous : stamens rarely numerous : styles 2 to 5, 



u nllv distinct. Herbs or shrubs ; leaves alternate (opposite m Hydrangece) or radical. 



35 Crassuiacei, 1 208. Carpels 3 to 5, becoming 1 -many-seeded follicles, distinct or con- 



30. t^rassuiacece,^^!.^ Flowers 3- or 5-merous: stamens nearly hypogynous. Thick fleshy 



1. lints mostlv herbs, with alternate or opposite leaves. , . ,^ , , , 



37 Lythrace^ p 213. Capsule 2 - 4-celled, many-seeded enclosed m the tubular or campan- 



ulate calyx. Flowers 4- or 6-merous : style 1. Herbs, with entire mostly opposite 

 leaves and axillary flowers. No albumen. . ^ -,■,-, -r, ■. 



Fruit a 1 2-s;edS utricle, included in the calyx. Style 2-cleft. Low herbs, .vith opposite 

 entire leaves. Illecebrace^. • ■. ti 



Camels 2 with distinct styles, enclosed in the at length fleshy calyx and becoming berry-like. 



Carpels A^witn ^^^^^^.^^^ y^^^;^^^ ^^^^^^ evergreen leaves and minute stipules. Heteromeles 



Capsule 3"- 5-celleX many-seeded, circumscissile. Flowers 5-merous : petals none : styles 3 to 5. 



Fleshy herbs, with opposite entire leaves. Sesuvium 111 Ftcoulm. 

 Capsule 2-celled, several-seeded, adnate at base to the calyx. Flowers m-egular : petals as well 

 ^ as filaments, somewhat united. Slender annual, with alternate leaves and milky juice. 



Nemacladus in Lobeliaccce. ., t ^^ . 



Fniit flesliv becoming diy, 3-valved, 1-celled and 1 -seeded. Petals about 5, united at base : sta- 



niens 10, moliadelphous : style 1. Shrub, with alternate entire leaves. Styracace^. 



* * Ovaiy wholly inferior. 

 ^ Fruit with central placentae. Herbs, with few stamens, not trailing, and flowers not in um- 

 bels : stipules none. 



38 Haloraee^, P. 214. Fruit indehiscent and nut-like, 1 - 4-celled and -seeded. Seeds sus- 



p.iuled, albuminous. Aquatic herbs, ynth verticillate or opposite leaves, and mcon- 

 siiicnnus often apetalous sessile axillary flowers. 



39 Onaeracece, p. 216. Capsule 2- or 4-celled, sometimes indehiscent, mostly many-seeded. 



Flowers 2 - 4-merous : style 1 : calyx valvate. Herbs, rarely woody at base, with 



mostly alternate leaves ; flowers often showy. No albumen. „ . -n 



Capsule 1-celled, 1-seeded. Flowers 5-merous : style 1. Seed suspended, exalbummous. Fer- 



eunial herbs, with simple alternate tenaciously scabrous leaves. Petalonyx m Loa- 



saceoc. 



-K -^ Fruit fleshy, indehiscent. Tendril-bearing herbs. Stamens few. 

 41 Cucurbitace^, p. 238. Flowers monrecious or dioecious, often gamopetalous. Fruit 1- 



sfveral-celled. Leaves alternate, palmately veined or lobed, without stipules. Seeds 



without albumen. 



+- Hh -i- Fruit with parietal placentae, several - many-seeded. Stamens many (except in Rihcs). 



Stipules none. 



++ Herbs, not fleshy. Capsule 1-celled. 

 40. Loasace^, p. 23.5. Flowers perfect, conspicuous : style 3 - 5-cleft : placenta; as many. 

 Li fives rough with tenacious hairs, simple. 



42. Datiscaceee, p! 242. Flowers mostly dioecious : petals minute or none : styles 8. Leaves 



smooth, pinnately compound. 

 Fruit a berry. Flowers 4 -5-merous : styles 2 to 4, more or less united. Shrubs, often spiny, 

 with simple alternate palmately veined and lobed leaves. GRossuLACEiE in Saxifragacece. 



++ ++ Thick fleshy plants. Capsule 1 - several-celled. 



43. Cactaceee, p. 24. Fruit fleshy, 1-celled. Sepals and petals numerous. Leafless prickly 



Iiiivmiials, sometimes woody. 



44. Ficoideae, p. 250. Capsule 3 -5-celled. Sepals few, mostly 5. Unarmed herbs, with 



mostly opposite leaves. 



