130 ANGIOSPERM^. 



petals 4 ; fls. white or pink. Numerous spec. Tribe S. Fls. usu- 

 ally reg. Heath-like evergreen shrubs. Several gen., S. Af. 1. Ba- 

 rbsma, BtoHf)-. Petals 5; fls. usually wiiite, heavy-scented. Lvs. 

 medicinal. 15 spec. Tribe 6. Fls. usually reg., J> g 9; pot. 4. Lvs. 

 often pinnatisect. Q|. herbs or evergreen undershruhs, often heavy- 

 scenied. Only 6 gen., N. temperate regions, Old World. 1. Riita. 

 Fls. reg., petals 4, yellow. 40 spec. R. graveolens, EuM. 2°-3° high ; 

 lvs. pinnatisect, medicinal. Fig. 188. S. Eur. Tribe 7. Fls. usually 

 irreg. ; pet. 5. Lvs. usually broad, compound, Ifts. 3—5. Several gen., 

 trop. Am. 1. Galipea. Evergreen trees, shrubs; fls. pink, white. 

 20 spec. G. Vuspdna, bark medicinal. 



Ord. 118. Geraniaceae. Fls. § , large, often irreg., sol. or clus- 

 tered. Pet. 4-5-3. Sta. 5-6-8-10- oo, "often with staminodes. Fr. 

 various. Herbs, Shrubs, Trees. About 20 gen., 750 spec, both 

 worlds. 



Tribe 1. Fls. irreg., 5-merous ; posticous sepal spurred. Stig. ses- 

 sile. Sta. covering the ova., and coherent at top. Boll, opening 

 elastically ; or drupe. Lvs. simple. Herbs. 1. Hydrocera (Ty- 

 tonia) nutans; drupe. Aquatic herb; lvs. linear. Marshes, Asia. 

 2. Impatiens ; boll. Succulent % herbs ; lvs.' cordate or reniform. 

 Many spec, both worlds. . 1. Balsamina, Balsam. Fls. of various 

 colors. Low, Q. Section of If., Fig. 234. Ind. I. N6li-me-tdngeri, 

 Touch-me-not, O ; fls. yellow. 2°"high. Fig. 104. Eur. l.fulva, 

 fls. orange, spotted; Q, 2°-4'' high, branching; Can. to Fla. I. 

 pallida, fls. pale yellow ; Q, 3°-6° high, branching ; Can. to Gulf 

 States. Tribe 2. Pis. reg. Pet. 5. Sta. 10. Fls. dimorphous; 

 apet. in the odd form. Boll 5-celled, or berry 5-furrowed. Herbs, 

 shrubs, trees. Lvs. comp. Both worlds. 1. AverrKoa. Berry large, 

 gherkin-like. Evergreen trees, lvs. pinnate, fls. racemed ; trop. Asia. 

 A. Cardmbola, A. Bilimbi, berries edible. 2. 6xalis. Boll. Lvs. 

 petioled, palmate, -Ifts. 4-3-2-1, rarely 0; or paripinnate. Herbs, 

 shrubs, rarely climbing; bulb, rhiz., fusiform rt., tuber, edible. 

 Nearly 300 spec ; trop. Am., S. Af., N. Am., Eur. O. scdndins, Mt. 

 Quindiu, S. Am. O. Acetosella, Wood-Sorrel. Q|., rhiz., fls. white, 

 red-veined ; Ifts. 3. N. C. to Can.; Eur. O. strieta, Q-, %; stem 

 leafy, S'-IS' high; fls. yellow. Common, U. S. O. violdcea, Q|., 

 scaly bulb; fls. violet. U. S. Tribe 3. Pis. reg., sol., colors vari- 

 ous. Boll. Lvs. simple, small, usually opp. Evergreen shrubs, 

 Peru, Chili. 1. Rhynchbtheca, spiny ; 2. W6ndtia, unarmed. 

 Tribe 4. Boll. Fls. reg. Pet. 5. Sta. 10. Infl. panicled. Lvs. 

 simple, opp. or whorled. 2|. herbs, low shrubs. Chili. Few gen. 

 1. Viviania, evergreen shrubs ; several spec. ; fls. red, white. Tribe 

 6. . Fls. reg., sol. Pet. 3-5. Sta. 6-10. Fr. 5-3 akaines. Lvs. pin- 

 nate. marsh plants, temp, regions, N. Am. 1. Ploerkia proser- 

 pinacoldes, small ; pet. 3,*inconspicuous. Can. to Ky. 2, Limn^n- 

 thes. Pet. 5 ; large, yellow, white, fragrant. Only 3 spec. ; pungent. 

 Cal. Tribe 6. Fls. irreg., showy; 1 sepal spurred. Fr. 3-5 car- 

 pels. 2 gen. 1. Tropafeolum, Nastttrtion, Nasturtium. Pet. 

 5-2. Sta. 8. succulent herhs or evergreen plants, usually climb- 

 ing ; pungent, like true Nasturtium. Many spec, S. Am. T. 

 mdjus, Indian Cress ; climbing, or low ; lvs. peltate. T. peregrmum, 

 Oanary-Bird. High-climbing, almost epiphytal ; 2 of the pale yel- 

 low petals fringed. Lvs. deeply lobed and cut. 2. Pelargonium 



