4/>4 PLANT AGIN ACBAE (PLANTAIN FAMILY) 



(before dehiscence) glabrous or nearly so. — From the Saskatchewan to Texas 

 and westward. 



2. THALESIA Raf. 



Glandular or viscid-pubescent simple-stemmed herbs, with scattered scales 

 and lorig-peduncled flowers. Calyx campanulate or hemispheric, the lobes 

 acute or acuminate. Corolla-tube elorigated, curved, the limb sUghtly 2- 

 lipped, the upper Up ereot-spreadingi • 2-lobed, the lower spreading, 3-lobed, 

 the lobes all nearly iequal. Stamens included; anther-sacs mucronate at the 

 base. Ovary ovoid; style slender, deciduous; stigma peltate, or transversely 

 2-lamellate. — AphyUon in part. 



Flowers few or solitary ! , 1. T. unifipra. , 



Fl(^wer3 several or many ■ . . ' , , . , , . . 2. T. fa^ciculata, 



1. Thalesia uniflora (L.) Brit. Mem; Torr. Club 5: 298. 1894. SCaly' 

 steih short find' nearly subterranean, bearing few scapes 1-2 dm. high: Cfelyx- 

 lobes mostly much lohger than the tube, subulate, usually attenuate: corolla 

 violet-tinged, about 2.5 cm. long; the lobes obovate and rather large. — 

 Damp woods; from Newfoundland to Texas and westward across the con- 

 tinent. ■ _ •' . 



2. Thalesia fasciculata (Nutt.) Brit. 1. c. More pubescent and glandular; 

 stem often emergent and mostly as long as the numerous fascicled peduncles, 

 not rarely shorter: calyx-lobes broadly- or triangular- subulate, not longer than 

 the tube, very much shorter than the dull yellow or purplish corolla: lobes of 

 the latter oblong a,nd smaller.^— From Lake Michigan to Arizona and westward 

 across the continent; on Artemisia, Eriogonum, etc. 



,107. MARTYNIACEAE Link. Makttnia Family 



Aniiuar or perennial' herbs, with thick branching stems. Leaves opposite; 

 blades expanded, sinlple, mostly contracted into petioles. Flowers perfect, 

 irregular. Calyx inferior, sessile or stalked; lobes 4 or 5. Corolla showy; 

 tube oblique, oftein decurved; limb 2-lipped; lobes 5, spreading, the 2 upper 

 exterior iri the bud. Stamens didynamous; anthers with spreading sacs. 

 Ovary 1-celled; style slender; stigmas 2. Fruit a beaked capsule. 



1. MARTYNIA L. Unicokn Plant 



Characters of the family. 



1., Mairtynia louisiana Mill. Gard. Diet. Ed. 8. No. 3. 1768. Leaves h^eart- 

 shaped, oblique, entire or undulate, the upper alternate: corolla dull white 

 or purplish, or spotted with yellow and purple: endocarp.of the fruit crested 

 on one side, long-beaked. — In waste places; rare in our range as an escape 

 from cultivation; native in the Mississippi valley. ' , 



108. PLANTAGINACEAE Lindl. Plantain Family 



Chiefly acaulesqent, with l-several-ribbed, or nerved radical leaves, simple 

 spicate inflorescence, 'and regular 4-merous flowers. Corolla scarious and 

 veinless, usually marcescent. Stam.ens 4 or 2, with filiform filaments and ver-r 

 satile anthers. Fruit a capsule (pyxis). 



PLANTAGO L. . PixAntain 



Acaulescent or short-caulescent herbs, with, mostly radical parallel-veined 

 leaves andsmall white or greenish flowers in terrhinal spikes or heads. Calyx- 



