52 Introduction to Botany. 



IX. LESQUERELLA. 



(Named for Leo. Lesquereux.) 



Flowers yellow. Pod globular-inflated, nerved from the apex to the 

 middle, seeds few to several in 2 rows. Low annuals or herbaceous 

 perennials, having simple leaves beset with stellate pubescence. 



1. Lesquerella globosa, Watson. (L., globus, a sphere.) Sparingly branched 

 annuals or biennials, 6 to 20 inches high, beset with fine, stellate pubescence. 

 Basal leaves i to ii inches long, oblong-obovate, obtuse. Stem leaves smaller, 

 linear or oblong, sessile, entire, or margins slightly undulate. Pods nearly globular. 

 In open places. 



2. Lesquerella Ludoviciana, Watson. Biennials or perennials, 6 to 18 inches 

 high, densely stellate-pubescent throughout. Leaves linear to oblanceolate, blunt 

 and entire, lower leaves 2 to 3 inches long. Flowers yellow. Pedicels nearly i inch 

 long, spreading or recurved in fruit. Prairies. 



3. Lesquerella gracilis, Watson. (L., gracilis, slender.) Slender, sparingly 

 pubescent annuals, much branched, i to 2 feet tall. Leaves linear to oblanceolate. 

 Pods globose and glabrous. Prairies. 



X. CAPSELLA. Shepherd's Purse. 

 (Latin diminutive of capsa, box.) 



Flowers white. Pod short, obcordate-triangular, flattened contrary 

 to the narrow partition. Seeds numerous in 2 rows in each cell. 

 Annuals. 



Capsella Bursa-past6ris, Mcench. (L., meaning shepherd's purse.) Annuals, 

 6 to 20 inches high. Basal leaves clustered and more or less pinnatifid and 

 toothed. Stem leaves much smaller, few, often dentate and auriculate. Flowers 

 small in an elongate raceme. Pods on slender pedicels, erect or spreading. 

 Common in waste places. 



XI. CAMELINA. False Flax. 



(Gr., ckamai, on the ground; linon, flax.) 



Flowers yellow and small. Pods obovoid or pear-shaped, only 

 slightly flattened parallel with the partition; valves i-nerved. Seeds 

 several in 2 rows in each cell ; style slender. Erect annuals with entire 

 or toothed and pinnatifid leaves. 



I. Camellna sativa, Crantz. (L., safivus, sown or planted.) Gi")LD-of-pleas- 

 URE or False Flax, i to 2 feet high. Leaves lanceolate, the upper clasping by 

 a sagittate base, mostly entire. Pedicels slender and spreading or ascending. In 

 fields and waste places. 



