PLATE XXXIII. 



I. LAVATERA TRTMESTRIS. 



• /■ ; 



ANNUAL LAVATERA. 



This genus contains plants of the herbaceous shrubby perennial 

 kinds. - ■ ' -' • ^ ' . ' «. ■ . . 



It belongs to the class and order Monadelphia Poli/andria, and 

 ranks in the natural order of Coliojinifera. 



The characters are: that the calyx is a double perianthium: exte- 

 rior one-leafed, trifid, obtuse, short, permanent: interior one-leafed, 

 half five-cleft, more acute, more erect, permanent: the corolla has 

 five obcordate flat petals, spreading, affixed below to the tube of the 

 stamens: the stamina have numerous filaments, coalescing be'ow into 

 a tube; loose above (gaping at the tip and surface of the tube): an- 

 thers reniform: the pislillum is an orbicular germ: style cylindric, 

 short: stigmas several (seven to fourteen), bristly, length of the style: 

 the pericarpium is an orbicular capsule, composed of as many cells 

 as there are stigmas, bivalve, and articulated in a whorl round 

 the columnar receptacle, at length falling off: the seeds solitary and 

 reniform. 



The species cultivated are: 1. L. Cretico, Cretan Lavatera; 

 2. L. trimestris, Common Annual Lavatera; 3. L. Thurhigiaca, Great- 

 flowered Lavatera; 4. L. arborta. Tree Lavatera, or Mallow; 5. L. 

 Olbia, Downy-leaved Lavatera; 6. L. triloba, Three-lobed Lavatera; 

 7- L. Lusitanica, Portuguese Lavatera. 



The first has an annual fibrous root of thick fibres, a foot in 

 length, with innumerable other capillary fibres: the stem round, 

 rugged, five feet high, branched: the leaves on long petioles, very 

 soft, tomentose, toothed, seven-angled, the angles of the upper ones 



