1044 LAMIACEAE 



or less branched : leaf-blades ovate to orbicular-ovate, 1-2 cm. long, obtuse or acutish, 



slightly serrate, short-petioled : clusters remote, few-flowered : calyx 4-6 mm. long, 



minutely pubescent ; tube at length constricted above the middle ; upper lobes triangular 



or lanceolate, curving upward ; lower lobes subulate, curved : corolla 8-9 mm. long ; tube 



gradually dilated, puberulent, the upper lip notched, the lower lip with a reniform middle 



lobe : nutlets barely 1 mm. long, granular. \_Calamintha Xepeta (L. ) Link & Hoffmansg. ] 



In waste places and fields, Maryland and Kentucky to Georgia and Arkansas. Naturalized from 

 Europe. Summer and fall. Field-balm. 



32. DICERANDRA Benth.i 

 Annual caulescent herbs, with puberulent foliage. Leaves opposite : blades flat, nar- 

 row, entire. Flowers in axillary clusters. Calyx pedicelled : tube about L3-ribbed, 2- 

 lipped : upper lip truncate or with 3 short lobes : lower lip of 2 narrower and longer lobes. 

 Corolla pink-purple or white, spotted, surpassing the calyx, 2-lipped : upper lip erect, 

 nearly entire : lower lip 3-lobed. Stamens 4 : anthers 2-celled ; sacs awned. jS^utlets smooth. 



Corolla pink-purple: anthers exserted. 



Cymes nearly sessile : anther-horns blunt. 1. D. densiflnra. 



Cymes markedly peduncled : anther-horns acute. 2. D. linecu ifolia. 



Corolla white : anthers included. 3. D. odoratissima. 



1. Dicerandra densiflora Benth. Stems 1-4 dm. tall, branching : leaf-blades nar- 

 rowly oblong or linear-oblong, 2-4 cm. long, obtuse, sessile or short-petioled : cymes few- 

 flowered, sometimes compact, nearly sessile : calyx purple-tinged, 6-7 mm. long ; tube 

 ribbed, the upper lip upcurved, more or less distinctly notched, the lower lip of 2 lanceo- 

 late or triangular-lanceolate acute lobes : corolla pink-purple, spotted, nearly 1.5 cm. long ; 

 tube shorter than the calyx, the upper lip retuse, the lower lip 3-lobed, its lobes oblong, 

 the middle one eroded at the apex : filaments glabrous : style minutely pubescent. 



In sandy soil, Georgia, Florida and Alabama. Summer and fall. 



2. Dicerandra linearifolia (Ell.) Benth. Stems 2-4 dm. tall, branching: leaves 

 opposite ; blades linear or lanceolate, 1-3 cm. long, rather obtuse, entire, more or less 

 revolute, sessile or short-petit)led : cymes few-flowered, peduncled : pedicels 1-3 mm. long : 

 calyx 5-6 mm. long, purple-tinged ; tube slightly ribbed, the upper lip curved upward, 

 barely notched, the lower lobes triangular, acuminate : corolla pink-purple and spotted, 

 1.5 cm. long ; tube about as long as calyx, the throat broadly funnelform, the upper lip 

 retuse, the lower lip 3-lobed, its lobes oblong or nearly so, the middle lobe notched : fila- 

 ments glabrous : style minutely pubescent. 



In dry sandy soil, Georgia, Florida and Alatiama. Fall. 



3. Dicerandra odoratissima Harper. Stems 2-4 dm. tall, fastigiately branched from 

 near the base : leaf-blades linear, 2-3 cm. long, obtuse, sessile : cymes few- or several- 

 flowered, often contiguous : calyx light green below, white above, 7-8.5 mm. long ; tube 

 strongly ribbed, the upper lip rounded, entire or nearly so, the two lobes of the lower lip 

 delicate, incurved : corolla white, with many purple spots, 14-17 mm. long ; tube surpa,ss- 

 ing the calyx, the upper lip arched, the lower lip spreading or deflexed. 



On sand hills, eastern Georgia. Fall. 



33. HYSSOPUS L. 



Perennial caulescent herbs, sometimes woody at tiie base. Leaves opposite : blades 

 narrow, entire. Flowers in dense axillary or terminal clusters. Calyx glabrous at the 

 throat : tube 15-ribbed : lobes 5, about equal. Corolla blue or purple, surpassing the 

 calyx, 2-lipped : upper lip notched : lower lip 3-lobed. Stamens 4, at least 2 exserted : 

 anthers 2-celled ; sacs divergent. Nutlets slightly 3-angled, smooth. Hyssop. 



1. Hyssopus officinalis L. Stems usually branched from the woody base, the 

 branches 2-9 dm. tall, puberulent : leaf-blades linear to oblong or oblong-lanceolate, 1-3 

 cm. long, thickish, entire, faintly veined, sessile or nearly so : panicles rather dense, be- 

 coming 2 cm. thick : calyx short-pedicelled ; lobes ovate to lanceolate, acute, ^-J as long 

 as the strongly ribbed tube : corolla blue or purplish, 8-10 mm. long : stamens and style 

 exserted. 



In waste places and on roadsides, Ontario and Maine to North Carolina, and on the Pacific Coast 

 Naturalized from Europe. Summer. 



1 Revised by Mr. Eoland M. Harper. 



