270 
MONOPETALOUS ORDERS. 
GEVERA.-^Spurganophorus, Vernonia, Stokesia, Elephantopus, Pectis, Agera- 
tum, iStevia, Kuhnia, Liatris, Eupatorium, Mikania, Brickellia, Tussilago, Aster, 
Erigeron, Boltonia, Bellis, Chrysopsis, Solidago, Chrysocoma, Conyza, Baccharis^ 
Pterocaulon, Inula, Eclipta, Dahlia, Siegesbeckia, Chrysogonum, Silphium, Am- 
brosia, Polymnia, Iva, Partheniura, Zinnia, Heliopsis, Rudbeckia, Coreopsis, Acti- 
nomeris, Helianthus, Bidens, Verbesina, Tagetes, Leptopoda, Tricophyllum, Polyj> 
teris, Galardia, Helenium, Marshallia, Anthemis, Achillea, Santolina, Matricaria, 
Artemisia, Tanacetura, Gymnostyles, Gnaphalium, Cineraria, Arnica, Cacalia, Sen 
ecio. Calendula, Melananthera, Sonchus. 
Fig. 193. Chrysanthemum leucanthemum. 
Fig. 194. Eupatorium perfoliatum : a, stem, upright, branching; 6, inflorescenoo 
a dense, depressed corymb ; florets tubular, white. 
473. LoBELiACEj^,, the Lobelia Tribe. — Herbs or shrubs with 
milky juice. Leaves alternate. Calyx 5-lobed. Corolla irreg- 
ularly 5-lobed, usually appearing bilabiate, cleft on one side 
nearly or quite to the base. Stamens 5 ; anthers coherent into 
a tube. Ova7n/ inferior ; stigma fringed. Fruit capsular, 2 
or 3 celled. Seeds numerous ; embryo straight, in fleshy albu- 
men. 
a. Properties : narcotic, acrid poisons. 
Genera. — Lobelia, Clintonia. 
474. Campanulace^, the Bell-flower Tribe, — Herbs or under- 
shrubs^ with milky juice. Leaves alternate, simple, or deeply 
divided. Flowers usually showy. Calyx usually 5-lobed, per- 
sistent. Corolla regular, campanulate, usually 5-lobed, with- 
ering. Stamens 5, alternate with the lobes of the corolla. 
Ovary inferior; style covered with hairs; stigma naked. 
Fruit a capsule, 2 to several celled. Seeds numerous, albu« 
mi nous. 
Genus. — Campanula. 
475. Ericaceae, the Heath Tribe. — Shrubs, or sometimes 
herbs. Leaves often evergreen, rigid, entire, verticillate or op- 
posite. Calyx 4-5-cleft, nearly equal, persistent. Corolla 4-5- 
cleft, sometimes the petals are distinct. Stamens as many, or 
twice as many, as the segments of the corolla with which they 
are inserted; ^j^-^A^^^ 2-celled, often appendaged. Ovary free 
or adherent ; styles and stigmas scarcely distinct. Fruit cap- 
sular or baccate, many-celled. Seeds numerous, albuminous ; 
embryo cylindrical. This order has been divided into 1, Vac- 
cinicB (the Whortleberry Tribe); 2, Ericinoe (the proper Heath 
Tribe) ; 3, Ehododendroe (the Kosebay Tribe) ; 4, Pyrolcc (the 
Pyrola Tribe) ; 5, Monotropm (the Indian-Pipe Tribe). 
Genera.— 1. Vaccinia— Oxy coccus, Vaccinium. 2. ERiciNiE — Erica, Menziesia, 
Andromeda, Cletlira, Epigaea, Gaultheria, Arbutus. 3. Rhododendr^e — Azalea, 
Kalmia, Rhododendron, Rhodora, Bejaria, Ledum, Leiophyllum. 4. Pyrola— Chi- 
flkphila Pyrola, Galax. 5. Monotrop^ — Monotropa, Pterospora, Monotropsis. 
476. Aquifoliace^, the Holly Tribe. — Trees or sJirnh. 
