CLASSIFICATION OF ANGIOSPERMS. 



687 



Capsicum fastigiatum (Cayenne pepper) is a perennial, smooth, 

 herbaceous, or somewhat shrubby plant, with ovate, acuminate, 

 petiolate, entire leaves ; the flowers are greenish-white, and solitary 



Fig. 379. Horse netrle (Solanum carolinense) : A, portion of shoot showing flowers 

 and fruits and spines on leaves and stem; B, longitudinal section of spine (s) and portion 

 of stern showing glandular (g) and non-glandular (h) hairs, and cells containing small 

 sphenoidal crystals (ca) ; C, thick-walled, strongly lignified cells of spine; D, portion of 

 fibrovascular bundle showing small sphenoidal crystals (ca) of calcium oxalate in the cells 

 accompanying the sieve; E, stellate, non-glandular hair; F, stoma of stem; G, diagram of 

 cross section of flower showing sepals (s), petals (p), stamens (a), ovary (c) ; H, longitudinal 

 section of flower; I, stamen showing terminal pores; J, cross section of 2-locular berry; 

 K, pollen grains, 30 /u. in diameter. 



in the axils of the leaves. The fruit is official and is known in 

 commerce as African or Cayenne pepper. This plant and a num- 

 ber of other species of Capsicum are indigenous to tropical 



