Xvlii SVNOITICAL KKV. 



Canicls 2 to 5, becoming nv.my-si-vd.A MVu-U-^. Scn-.l allmininous. Rq>i.ls and p.'tals 5, TM>rsist- 

 eiit : staim-ns many. Siii.K.th bliiiib.t, witli allciiiate .•ntiio Uavcs, ami iiu stipuk-s. 

 CUOSSOSOMA in Ilnniincuhircic. _ 



Flowers 5-merous : caqiels IVwer than 5. Low acaulescent li(>rbs. Saxikhaoa in Siucifraijocea;. 



Flowers 3 - 7-nRT0U3. Thuk tioshv In H>s, will, .sini].!.' alternate loaves. Some L'ka.ssui,A(^k.k. 



CariK;! bolitury, iH-comin^r an ovoi-'l 1 - •^sc.a.'.l li.lliile. Klowers t-nicrous. I-ow spmeseent 

 alimlis, Willi alleinate eiitiiv Htil>nlale Laves. tll.osMil'iCTAHjN ill .Sajnuduciu;, 



+- +■ Carpels more or less united. Seeds mostly albuminous. Leaves simplo : stipules none. 



34. Saxlfragaceae, p. 192. Carpels 2 to 5, fonning a 1-celled or 2-5-celled many-seeded eap- 



sulu, or nearly distinct. Flowers 5-meious : stamens rarely minuTous : styles 2 to .'), 

 usually distinct. Ilcibs or shnilis ; leaves alternate (ojjpositc in Hiidrav[ica) or radical. 



35. CraBSUlaceae, p. 2(IS. Carpels 3 to 5, beeoming 1 -many-seeded I'ollieles, distinct or cim- 



natc at base. Flowers 3- or 5-nierous : stamens nearly liypogynous. 'J'liick llcshy 

 lilaiits, niostlv herbs, with alternate or opposite leaves. 



37. Lythraceee, ]). 213. Cajisule 2-4-cclled, many-seeded, enclosed in the tubular or eaiiipan- 



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



leaves, and axillary lioweis. No albumen. 

 Fruit a 1 - 2-seeded utricle, inelude.l in the calyx. Style 2-eleft. Low lierbs, with opposite 



entire leaves. Ili.KCKUUACK.k 

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



Small tree, with alternate serrate evergreen leaves and minute stipules. IIetkuomelivS 



in Rosacea:. 

 Capsule 3 - 5-eelled, many-seeded, circumscissile. Flowei-s 5-mcrous : petals none : styles 3 to 5. 



Fleshy herbs, with opposite entire leaves. Hksuvium in Ficoidccc. 

 Capsule 2-celled, sevend-seedcd, adiiate at ba.so to the caly.x. Flowers irregular : petals, as well 



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



Nemaclaous in Lol/e/iaceie. 

 Fruit fleshy, beeoming dry, 3-valved, 1 -celled and 1 -seeded. Petals about 5, united at base : sta- 

 mens 10, inonadelphous : style 1. Shrub, with alternate entire leaves. Stykacace.b. 



* ♦ Ovary wholly inferior. 



-1- Fruit with central placenta-. Herbs, with few stamens, not trailing, and flowers not in um- 

 bels : stipnjes none. 



38. Halorageae, p. 214. Fruit indehisceiit and nut-like, 1 - 4-celled and -seeded. Seeds sus- 



pended, ulbuniinous. At|uatic herlis, witli vertieillate or opposite leaves, and iiicon- 

 siiicuons ol'ten apctalous sessile axillai-y flowers. 



39. Onagracece, p. 21(i. <'ap.sulc 2- or 4-ciilcd, sometimes indehiscent, mostly many-seeded. 



Flowers 2-4-nierous : style l" : calyx valvate. Ilerl)s, rarely woody at base, with 

 mostly alternate leaves ; flowers often showy. No albumen. 

 Capsule 1-celled, 1-seeded. Flowers .'j-nicious : style 1. Seed susiiended, exalbuininou.s. I'er- 

 ennial heil>s, with simple alternate tenaciously scabrous leaves. rKTAi.oNV.x. in Luu- 

 siiccic. 



+- +■ Fruit fleshy, indehiscent. Tendril-bearing herbs. Stamens few. 



41. Cucurbitaceae, p. 238. Flowers moncecious or direcious, often gamojietalons. Fiuit 1 - 



several-celled. Leaves allernate, palmately veined or lobcd, without stipules. Seeds 

 without albumen. 



H- -1- -1- Fruit with j)arielal placcnt;e, .several - many-seeded. Stamens many (except in /silica). 



Stipules none. 



■n- Herbs, not fleshy. Capsule 1-celled. 



40. Loasacese, p. 235. Flowers perfect, conspicuous : style 3 - 5-cleft : placeiitic as many. 



Leaves rough with tenacious hairs, simple. 



42. Datiscacece, y. 242. Flowers mostly diuv.ious : petals minute or none : styles 3. Leaves 



snioulli, (linnately compound. 

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

 with simple alternate palmately veined and lobed leaves. Guu.ssi:i,ACi:.i; in Suxi/ntyacece. 



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



43. Cactaceae, p. 24. Fruit fleshy, 1 -celled. Sepals ami petals numerous. Leafless prickly 



liereiinials, sometimes woody. 



44. Ficoideee, p. 250. Capsule 3 - 5-celled. Sepals few, mostly 5. Unanned herbs, with 



mostly opposite leaves. 



