40 General Key to the Families 



ORDER XXXIII. CAMPANULALES 



LXVIII. CAMPANULACE^. BLUEBELL FAMILY 



Herbs usually with milky juice; leaves alternate, simple, with- 

 out stipules; flowers scattered, perfect, the regular five-lobed 

 corolla bell-shaped, valvate or induplicate in the bud; fruit a small 

 many-seeded capsule or berry. 



I. Campanula. (Tourn.) L. 



1. C. rotundifolia. L. Harebell. 



2. C. lasiocarpa. Arctic Harebell. 



LXIX. LOBELIACE^. LOBELIA FAMILY 



Herbs usually with acrid milky juice; leaves alternate, without 

 stipules ; flowers perfect, scattered in loose bracted racemes, corolla 

 irregular, gamopetalous, five-lobed, somewhat two-lipped; fruit a 

 many-seeded pod. 



I. Lobelia. (Plumier.) L. 



I. L. Kalmii. L. Brook Lobelia. 



LXX. COMPOSITE. COMPOSITE FAMILY 



The largest family of phsenogamous plants; herbs, shrubs or 

 small trees; leaves various, alternate, opposite or basal; flowers in 

 a dense closely involucrate head on a common receptacle, the head 

 often resembling a single flower, surrounded by an involucre of 

 few to many bracts in one or more series, the pappus crown-like 

 or wanting, heads with ray-flowers are radiate, when without ray- 

 flowers are discoid; fruit an achene containing a single erect 

 anatropous seed. 



SERIES I. TUBULIFLOR^ 

 TRIBE ASTERE^ 



I. Chrysopsis. Nutt. 



1. C. villosa. Nutt. Golden Aster. 



2. C. hispida. (Hook.) Hairy Golden Aster. 



