CAMPANULACEAE. 343 



strictly 1-celled, with 2 filiform parietal placentae each bearing 

 3-5 ovules; capsule clavate-oblong or fusiform, membranaceous. 



Howellia aquatilis Gray. Annual, submersed or only the tips of the stems 

 emersed; stems branched, 15-45 cm. long; leaves narrowly linear, entire, 

 5-15 cm. long; emersed leaves broader, sparingly toothed; flowers axillary, 

 short-peduncled; capsule linear-clavate. 



In still ponds, Sauvies Island, near Portland, Oregon, and in north Idaho. 

 Named after Mr. Thomas Howell and his brother by whom it was discovered. 



478. RAPUNTIUM. 



Herbs, rarely woody; flowers axillary or usually in bracted 

 racemes; calyx with a short 5-cleft tube; corolla with a straight 

 tube split down on one side, somewhat 2-lipped, the upper lip 

 of 2 rather erect lobes, the lower lip spreading and 3-cleft; two 

 of the anthers bearded (in ours); pod 2-celled, many-seeded, 

 opening at the top. 



Rapuntium dortmanna (L.) Presl. Glabrous; leaves in a basal rosette, 

 linear, obtuse, terete, 2-5 cm. long, hollow and with a longitudinal partition; 

 scapes slender, erect, 10-50 cm. high, simple; flowers in a raceme; calyx-lobes 

 subulate, as long as the tube; corolla pale blue, the lower lip slightly hairy. 



Borders of lakes, often submersed, rare. Lake Crescent, Washington, 

 Lawrence; Whatcom Lake, Washington, Suksdorf; Shawnigan Lake, Van- 

 couver Island, British Columbia, Macoun. 



479. BOLELIA. 



Low and spreading glabrous annuals, rather succulent and 

 tender; leaves sessile, narrow, entire, the upper reduced to bracts; 

 flowers axillary, sessile; calyx-tube adherent to the ovary, very 

 long and slender, 3-sided, usually twisted; corolla 2-lipped, with 

 a very short tube; filaments and anthers both united into a tube; 

 capsule long and slender, early becoming 1-celled. 



Bolelia elegans (Dougl.) Greene. Stems erect, simple or branched near 

 the base, 10-30 cm. high, glabrous throughout or very minutely puberulent; 

 leaves sessile, ovate or lanceolate, acute, 8-20 mm. long; flowers blue, in a 

 rather loose spike; bracts like the leaves but broader; calyx-tube very narrow, 

 becoming 34 cm. long and appearing like a pedicel; calyx-lobes narrow, 

 unequal; lower lip of the corolla sharply 3-lobed, 8-10 mm. long and broad, 

 blue with a large white and yellow center; divisions of the upper lip lanceolate. 



Common on the margins of ponds, Chehalis County, Washington, and 

 southward. 



480. GITHOPSIS. 



Low annual herbs; flowers all alike; calyx with a 10-ribbed 

 tube and 5 long and narrow foliaceous lobes; corolla tubular- 

 campanulate, 5-lobed; filaments short, dilated at the base; 

 stigmas 3; ovary 3-celled; capsule strongly ribbed, crowned with 

 the rigid calyx-lobes about as long or longer, opening by a round 

 orifice left by the falling away of the base of the style; seeds very 

 numerous. 



