CAMPANULACEAE 583 



Not uncommon about waste ground. Often wanting. 

 Fuller's Teasel, Dipsacus fullonum L. has been collected as a waif; scarcely persisting 

 in our area. 



2. Scabiosa [Tourn.] L. 

 1. S. arvensis L. In cultivated fields and waste places: Mass., 

 Vt., N. Y. and Pa. Adventive from Europe. 

 Rare as a weed near the cities. 

 Scabiosa australis Wulf. from Europe is very rarely found as a waif in our area; 

 hardly persisting. S. slellata L. has also been collected. 



CUCURBITACEAE 



Fruit dehiscent at the apex or bursting irregularly; several seeded. I. Micrampelis. 

 Fruit indehiscent, 1 seeded. 2. SlCYOS. 



i. Micrampelis Raf. 

 1. M. lobata (Michx.) Greene. Along rivers and in waste places: 

 Me. to Ont., Mont., Va., Ky. and Tex. 



Not uncommon, especially in the northern part of our area, 

 often as a weed; native in the valley of the Delaware. 



2. Sicyos L. 

 1. S. angulatus L. Along river banks and in moist places: Que. 

 and Ont. to Fla., S. Dak., Kan. and Tex. Naturalized in 

 eastern Europe. 



Throughout the range, except in the pine-barrens, and south of 

 them, there wanting. 



The pumpkin, Cucurbita Pepo L., the muskmelon, Cucumis Melo L., the watermelon 

 Citrullus Citrullus (L.) Karst., the club gourd, Lagenaria Lagenaria (L.) Cockerell and 

 the cucumber, Cucumis sativus L., are all occasional escapes. So also are several 

 varieties of squash and Ecbalium agreste Rich. None are really persistent. 



CAMPANULACEAE 



Capsule opening by lateral pores or valves. 



Corolla campanulate, rarely rotate; flowers all complete. I. Campanula. 



Corolla rotate; earlier flowers cleistogamous. 2. Specularia. 



Capsule opening by terminal pores or valves. 3. Jasione. 



i. Campanula [Tourn.] L. 



Corolla campanulate; flowers solitary', racemose, glomerate or 

 panicled. 

 Corolla 14-30 mm. long. 



Stem leaves linear, the basal orbicular. 1. C. rolundifolia. 



Leaves all lanceolate or ovate. 2. C. raptinculoid.es. 



Corolla 4-12 mm. long; a weak diffuse perennial. 3. C. aparinoides. 



Corolla rotate; flowers spicate. 4. C. americana. 



