GROUP V. ANGIOSPERHLE ; DICOTYLEDONES. 



569 



annuum are known as Chili Peppers. Atropa Belladonna (Fig. 382) is the 

 Deadly Nightshade 5 the anthers are not syngenesious, and the corolla is 

 campanulate ; the berries are black and very poisonous. Lycium barbarum 

 is a shrub belonging to Southern Europe which has become wild in places 

 in the North. Hyoscyamus niger is the common Henbane: the capsule 

 dehisces transversely (pyxidium). 



Tribe 2. Daturas. Capsule almost quadrilocular in consequence of the 

 outgrowth of the placenta, 4-valved : embryo curved. Datura Stramonium 

 is the Thorn-apple. 



Tribe 3. Cestrece. Embryo straight : all five stamens fertile. Nicotiana 

 Tabacum is the Tobacco plant (Fig. 274.B): Petunia is commonly cultivated. 



Order 4. BORAGINACE^E. Ovary consisting of two median car- 

 pels, spuriously quadrilocular in consequence of a dissepiment along 

 the dorsal suture of each carpel (Fig. 383 C, r) : the single style 

 usually arises from the incurved apices of the carpels (gynobasic), 



FIG. 383. A Flower of Anchnsa (slightly mag.) : 



fc calyx; c corolla; b the scaly appendages. B Fie. 384 Corolli of Ery- 



Fruit of Myosotis (mag.); t the receptacle ; m m thrcea Centaurinmspreadout 



the four achania ; g the gynobasic style. C Dia- r tube ; limb ; a stamens, 

 gram of the quadrilocular ovary in trans, section : 

 r the dorsal sutures ; p p the placenta ; s the ovules. 



and is surrounded at its base by the four loculi (Fig. 383 B) : each 

 loculus contains a single suspended anatropous ovule : when the 

 fruit is ripe the loculi separate completely, and appear to be four 

 nutlets : seed without endosperm : the corolla usually has five 

 scaly ligular appendages at the junction of the limb with the tube 

 (Fig. 383 A 6) : inflorescence scorpioid (see p. 441), often very com- 

 plicated. Herbs or shrubs generally covered with harsh hairs and 

 only rarely glabrous, e.g. Myosotis palustris. 



Myosotis is the Scorpion-grass ; M. palustris, the Forget-me-not, occurs in 

 damp places, M. sylcatica in woods, and M. arcensis and others in fields. 

 Lithospermum arvense (Gromwell), L. offirinede, Echium vulgar e (Viper's Bu- 

 gloss), with an irregular flower, Symphytum officinale the Comfrey, Lycop&is 



