342 CUCl'RBITACEAE. 



ceolate, united at the base and spreading; anthers more or less 

 united; stigma broad; ovary 2-celled with 2 ovules in each cell; 

 fruit rteshy, at length dry, with weak prickles, fibrous-netted 

 within. 2-celled, 4-seeded. 



Micrampelis oregana (T. & G.) Greene. Glabrous or somewhat scab- 

 rous; stems climbing, 3-12 m. long; leaves reniform-cordate, 8-15 cm. broad, 

 deeply 5-7-lobed, the lobes triangular, acute and mucronate; staminate flowers 

 in slender racemes; fruit subglobose, a little longer than thick, armed with 

 soft green prickles, 2-4-celled; seeds orbicular, twice as broad as thick. 



In rich soils, Washington to California. Root very large and fleshy, 

 whence known as " Old Man Root." 



Family 99. CAMPANULACEAE. Bellflower Family. 



Herbs with milky juice; leaves alternate, without stipules; 

 flowers regular, generally blue, showy, scattered; calyx adherent 

 to the ovary; corolla 5-lobed, bell-shaped; stamens 5, usually 

 free from the corolla; anthers distincc or united; style 1, the 

 upper portion provided with pollen-collecting hairs; stigmas 2 or 

 more; ovary 2-5-celled, with axile placenta; capsule 2-several- 

 celled, many-seeded; endosperm fleshy. 



Corolla irregular; anthers united. 



Flowers axillary; submersed aquatic with linear 



elongate leaves. 477. Howellia, 342. 



Flowers not axillary; terrestrial or subaquatic 

 plants. 

 Tube of corolla cleft to the base on one side. 478. Rapuntium, 343. 

 Tube of the corolla very long, not cleft. 479. Bolelta, 343. 



Corolla regular; anthers separate. 



Ovary and capsule long and narrow. 



Capsule opening at the top by a hole left by 

 the falling away of the base of the style; 



flowers all alike. 480. Githopsis, 343. 



Capsule opening on the sides by 2 or 3 little 

 valves which leave small round perforations; 



flowers of two kinds. 481. Specul.a.ria, 344. 



Ovary and capsule short and broad or globular. 



Calyx-lobes broad; flowers of two kinds. 482. Heterocodon344. 



Calyx-lobes narrow; flowers all alike. 483. Campanula, 344. 



477. HOWELLIA. 



Aquatic herbs; flowers of 2 forms, the emersed w^th a corolla, 

 the submersed with an undeveloped corolla; calyx- tube linear- 

 clavate, adnate for its whole length to the ovary, the limb of 5 

 nearly equal slender-subulate or filiform segments; corolla even 

 in emersed flowers not exceeding the calyx, its short tube divided 

 nearly to the base on one side; stamen-tube nearly free; anthers 

 oval, the 2 smaller each with 3 hairs, the 3 larger naked; ovary 



