62 



NATURAL HISTORY OF PLANT8. 



calyx with five deep divisions imbricated in the bud/ and five alter- 

 nate petals whose prsefloration is contorted or imbricated. The 

 androceum is formed of ten stamens, superposed five to the divisions 

 of the calyx and five shorter to the petals, in one species fi'om 



Hotimh'i arenariitm. 



Fig. 88. Flowcr-bcaving and fruit-bearing brancli. 



tropical Western Africa, //. (jahonensis, of which we had at first made 

 the type of a particular genus under the name oiAuhryar' The stamens 

 are all fertile and free or united to a variable height by the base of 

 the filaments, and they have a bilocular iutrorse author, whose cells 

 each dehiscing by a longitudinal cleft are applied below aud withiu 

 to a thick connective conical and flattened, whose summit much 

 surpasses them in height." In certain American species which have 



209 ; in Fnijev Fain. Nut. 262. — Myrodendron 

 HcHnEii. Gen. 3o8 (incl. : Aiibrt/n H. Bn. JTclkria 

 Neer et Mart. ISaccoglottis Mart. Vantanea 

 AiniL. Vanlaiie/iirlcs Ilich. Wennscch-ia Scor.). 



' So much smaller as they are more exterior 

 in prajfloration. In Viriilaiiniidis of Richard (H. 

 l^s. in Ailnnsonia, i. 369), the sepals are imbri- 

 oatod ; but in the true Vataiicas, as V. ffuiaiieiisis 



AiriiL. the teeth of the calyx ilo not even touch 

 each other. 



- H. Bn. in Adiiiisoulu, ii. 262 ; x. 368.— B. 

 H. Gcti. 988, n. 2. fl.— Oliv. Fl. Trap. Afi: i. 

 275. — Walp. Ann. vii. 464. 



•" II. MoHL (in Aim. Sc. Nat. ser. 2, iii. 335) 

 describes the pollen as : " ovoid ; three folds ; in 

 these arc the papillic; in water spherical, trian- 



