2. Besseya arizonica Penn. 



Plant probably solitary, the flower stem 2-4 dm. tall and white-hirsute through- 

 out, with 10 to 16 narrowly ovate acute bractlike leaves; petioles 2-9 cm. long, 

 appressed-hirsute; leaf blades ovate to oval, rounded to subcordate at base, 5-8 

 cm. long, 4-7.5 cm. wide, undulate-crenate to crenate, tardily glabrate above and 

 pilose beneath, permanently pubescent on the principal veins; floral bracts 

 lanceolate to ovate, acute, white-ciliate, in anthesis 3-5 mm. long; pedicels 

 usually to 1 mm. long in anthesis, the lower ones sometimes to 5 mm. long; calyx 

 3-4 mm. long, the 4 lobes uneven in width and oblong-lanceolate to -elliptic, 

 long-ciliate, those lobes of each side united near base; corolla about 4 mm. long, 

 probably white, the tube short, the lips parted nearly or quite to the base, the 

 anterior lobes one third to one fourth the length of the basal portion of the 

 lip; filaments exserted; style 3-4 mm. long, deflexed from corolla; capsule 4—5 

 mm. long, equally wide, nearly circular, acutish or rounded at apex, to about 4 

 mm. long, minutely ridge-veined, glabrous. 



In moist or wet meadows, marshy areas along streams and on coniferous forest 

 slopes, in N. M. (McKinley Co.) and Ariz. (Apache and Coconino cos.), May- 

 Aug. 



13. Kickxia DuM. Cancerwort 



About 25 species from the Mediterranean region to India. 

 1. Kickxia Elatine (L.) Dum. Fig. 691. 



Annual; stems prostrate, widely spreading, freely branched, villous, to 5 dm. 

 long; petioles 1-5 mm. long; leaves broadly ovate to triangular-ovate, 1-3 cm. 

 long, truncate at base, more or less hastate by the development of 1 to 3 low 

 teeth at the lateral angles; pedicels very slender, 1-3 cm. long, glabrous through- 

 out or villosulous near the base and summit only; calyx lobes ovate-lanceolate, 

 acute, 3-5 mm. long; corolla 6-8 mm. long, yellow, the upper lip purple within; 

 spur decurved, about 5 mm. long; capsule loculicidal, orbicular, about 4 mm. 

 high. 



In moist sandy soil and cobbly areas along river sandbars and in river and 

 stream beds in Okla. (Cherokee, Ottawa, Delaware and Sequoyah cos.), May- 

 Sept.; N.Y. to Ind., Mo. and Okla., s. to Fla. and La. 



14. Veronica L. Speedwell 



Erect or repent perennial, biennial or annual herbs; leaves mostly opposite; 

 bracteoles none; flowers in axillary or terminal racemes or solitary in axils of 

 leaves; sepals 4 or 5, distinct; corolla with very short tube, nearly rotate, 4-lobed 

 due to fusion of upper pair; stamens 2; stigmas united and slightly capitate; 

 capsule flattened, loculicidal; seeds flattened, smooth or rarely roughened. 



About 300 species, mostly in the North Temperate Zone. 



1. Main stem terminating in an inflorescence, its flowers either densely crowded 

 or more remote and axillary, the upper bract leaves usually alternate 

 (2) 



1. Main stem never terminated by an inflorescence, the leaves opposite through- 



out and the flowers all in axillary racemes (4) 



2(1). Annual, fibrous-rooted; stem usually rather strictly erect; leaves typically 

 linear-oblong 1. V. peregrina. 



2. Perennials; stems often from a creeping or procumbent rooting base; leaves 



elliptic to lanceolate or ovate (3) 



1490 



