242 



FLOKA OF JAMAICA 



Capsella 



Annual. Stem J-1^ ft. high. Leaves, radical generally pinnatifid, 

 3-12 cm. 1. ; upper sagittate, clasping, lanceolate, 2-8 cm. 1. ; acute, 

 toothed, with stellate and simple hairs. Flcnoers 2'5 mm. in diam. 

 Silicula obcordate-triangular, G-8 mm. 1, Seeds 10-20, about 1 mm. 1. 



4. LEPIDIUM L. 



Erect herbs. Flowers small, white. Sepals short, equal at 

 base. Petals equal, entire, spathulate or obovate. Stamens 6, 

 slightly tetradynamous, or only 2. Ovary sessile, 2-celled ; ovules 

 solitary in the cells. Silicula compressed-orbicular. Seed in 

 each cell, pendulous from near the summit. Cotyledons incum- 

 bent, rarely accumbent as in L. virginicum. P e p p e r w o r t. 

 Peppergrass. 



Specie.s 122, widely dispersed in the temperate and warm 

 regions of the world. 



Petals scarcely longer than the sepals. Silicula 3 mm. I.... L. virginiciim. 

 [Petals half as long again as the sepals. Silicula 6 mm. 1. L. sativum.] 



L. vlpginieum L. Sp. PL 645 (1753); leaves mostly simple; 

 petals scarcely longer than the sepals ; stamens 2 ; silicula 3- 



Fig. 101.— Lepidium virginicum L. 



A, Upper portion of branch X ?. D, Silicula X 4. 



B, Flower X 10. E, Sec<l cut across x 6. 



C, Ovary cut lengthwise X 10. (After A. Gray.) 



3*5 mm. 1.; fruiting pedicels spreading. — Wright Mem. 283; 

 A. Gr. Gen. 167, t. 73,/. 1-7; Griseh. Fl. Br. W. Ind. 14; 



