DICOTYLEDONOUS PLANTS 193 



3. V. Aubletia, L. Verbena. A slender-stemmed, somewhat 

 reclining annual, 1 ft. or less in height. Leaves ovate or nearly so, 

 wedge-shaped at the base, lobed and toothed or 3-cleft. Flowers 

 showy, reddish-purple or lilac (seldom white), in a peduncled spike. 

 Calyx-teeth as long as or longer than the bracts. Corolla very 

 slightly bearded in the throat. In dry prairie soil and open woods, 

 also cultivated. [Other somewhat similar cultivated species are 

 from Brazil.] 



n. CALLICAHPA, L. 



_ Shrubs. Leaves simple, petioled, opposite or whorled, glan- 

 dular-dotted. Flowers in axillary cymes. Calyx 4-toothed or 

 entire. Corolla funnel-form, 4-cleft, regular; stamens 4, equal, 

 projecting. Ovary 4-oTuled ; style slender; stigma knobbed. 

 Fruit a 1-4-seeded berry.* 



1. C. americana, L. French Mulberry, Mexican Mulberry. 

 Shrubs, with star-shaped, glandular or scurfy down, widely branched, 

 3-8 ft. high. Leaves ovate to oblong, acute at each end, crenate- 

 serrate, rough above, downy beneath, glandular-dotted ; petioles slen- 

 der. Cymes many-flowered, the peduncle as long as the petiole, 

 pedicels short. Calyx cup-shaped, the teeth short. Corolla double 

 the length of the calyx, blue. Fruit violet-piu-ple, very conspicuous 

 in autumn. Common in fields and thickets S.* 



87. LABIAT.a;. Mint Family. 



Mostly herbs, with square stems and opposite, more or 

 less aromatic leaves, without stipules. Flowers generally 

 in cyme-like axillary clusters, which are often grouped into 

 terminal spikes or racemes. Calyx tubular, usually 2-lipped, 

 persistent. Corolla usually 2-lipped (Fig. 148). Stamens 4 

 (2 long and 2 short) or only 2. Ovary free, with 4 deep lobes, 

 which surround the base of the style. Fruit consisting of 4 

 nutlets, ripening inside the base of the calyx. 



Stamens Jf. 



(a) Calyx 2-lipped. 



Lips entire. Scutellaria, I. 



Lips toothed and cleft. Plants not aromatic. 



Brunella, IV. 



