OF THE WASATCH REGION 89 



2. O. uniflora L. (Thalesia uniflora (L.) Britton; Aphyllon 

 uniflorum A. Gray). Much smaller than the preceding (usually 

 an inch or less high); the scaly stem short and nearly ^sub- 

 terranean. Peduncles 1-4, slender, erect. Flowers an inch 

 long. Calyx-lobes usually much longer than tube; acuminate. 

 Corolla white, often violet-tinged; its lobes oboyate and rather 

 large for the size of the plant; obscurely 2-lipped; its tube 

 curved. Grassy places in mountain valleys. April-August. 



BIGNONIACE-ffi. Bignonia Family. 



Trees, shrubs or woody vines with large, mostly op- 

 posite leaves. Inflorescence terminal or axillary. 

 Flowers mostly showy ; more or less irregular. Corolla 

 of 5 united petals. Stamens 2 or 4, borne on the tube 

 of the corolla and alternate with its lobes; anthers 

 2-celled. Ovary mostly 2-celled. Seeds flat, winged. 



1. CATALPA. 



Trees with large, simple, petioled leaves. Corolla-tube 

 swollen; the limb 2-lipped. Capsule brown; 2-celled; cylin- 

 drical, slender; loculicidally dehiscent. Seeds flat, many, 

 winged; the wings fringed at the ends. 



Lower lobe of corolla entire 1. C. bignonloides 



Lower lobe of corolla notched 2. C. speclosa 



1. C. bigmouioides Walt. (C. Catalpa (L.) Karst.) Indian 

 Bean. A thin-barked tree with spreading branches; 60 ft. 

 high or less. Leaves broadly ovate; entire or sometimes 3- 

 lobed. Flowers many, in terminal, erect panicles. Corolla 

 white, 1-1^ inches long, densely blotched with purple and 

 yellow; its tube narrowly bell-shaped. Capsules drooping; 

 cylindric-fusiform; about a foot long. Cultivated. June-July. 



2. C. speciosa Warder. Candle- or Catawba-tree. A thick- 

 barked tree, sometimes over 100 ft. high. Leaves broadly 

 ovate; usually entire and acuminate. Inflorescence paniculate; 

 few-flowered. Corolla 2 inches long; white, slightly blotched 

 with purple and yellow within; its tube inflated-bell-shaped. 

 Capsule 10-20 inches long. Cultivated. May-June. 



ORDER PL.ANTAGINALES. 



PLANTAGINACE-flE. Plantain Family. 



Acaulescent or short-stemmed herbs with basal and 

 often prominently ribbed leaves. Inflorescence spicate, 

 or rarely solitary. Flowers inconspicuous; perfect, 

 polygamous or monoecious. Calyx of 4 united sepals. 

 Corolla hypogynous, scarious or membranous, of 4 

 united petals. Stamens usually 4 (2 in some species), 

 borne on the corolla and alternate with its lobes. 

 Style filiform. Ovary "superior," 1-2-celled, ripening 

 into a transversely-splitting capsule or an indehiscent 

 nutlet. 



