Rcznsions of Some Plant Phyla 45 



Order Sarraceniales. Pistil of 3 to 5 carpels united; pla- 

 centae parietal or central; seeds indefinite; herbs with "insec- 

 tivorous " leaves ; related to the Mallows. 



Family 82. Sarraceniaceae. Pitcher Plants. Herbs with pitch- 

 er-shaped leaves ; sepals 4—5 ; petals 5-0 ; stamens indefinite ; 

 pistil 3-5-carpellary. Sarracenia, Darlingtonia. (Pf. 111,2,244.) 



Family 83. Nepenthaceae. Pitcher Plants. Tropical under- 

 shrubs with pitcher-shaped leaves ; sepals 4 or 3 ; petals o; stamens 

 4-16; pistil 4- to 3-carpellary. Nepenthes. (Pf. Ill, 2, 253.) 



Order Geraniales. Receptacle usually with an annular or 

 glandular disk; pistil of several carpels; ovules i to 2 (or many), 

 mostly pendulous. 



Family 84. Geraniaceae. Geraniums. Herbs, shrubs, and 

 trees, with opposite or alternate (compound or simple) leaves; 

 torus elongated ; pistil lobed, 3- to 5-celled ; endosperm sparse or 

 o. Geranium, Pelargonium, Erodium. (Pf. HI, 4, i.) 



Family 85. Oxalidaceae. Sorrels. Herbs, rarely shrubs, the 

 juice sour; leaves mostly 3-foliate ; flowers pentamerous. O.valis. 

 (Pf. HI, 4,15-) 



Family 86. Tropaeolaceae. Nasturtiums. Succulent, pros- 

 trate or climbing herbs, with alternate, peltate leaves, and irregu- 

 lar long-peduncled, spurred flowers ; stamens 8 ; ovary tricarpel- 

 lary. Tropaeolum. (Pf. HI, 4, 23.) 



Family 87. Balsaminaceae. Touch-me-nots. Succulent herbs, 

 mostly erect, with alternate leaves, and irregular, spurred axil- 

 lary flowers ; stamens 5 ; ovary pentacarpellarv. Impatiens. 

 (Pf. Ill, 5,383-) 



Family 88. Limnanthaceae. Succulent marsh herbs, with al- 

 ternate, pinnate leaves; flowers pentamerous; stamens 10; carpels 

 5. Limnanthes. (Pf. HI, 5, 136.) 



Family 89. Linaceae. Flaxes. Herbs and shrubs, with alter- 

 nate simple leaves ; pistil 3- to 5-celled ; endosperm fleshy or o. 

 Linitm. (Pf. HI, 4, 27.) 



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