. The natural history of plants. Botany. ONAGRARIACEjE. 463 All the (Enotheras whose flower and fruit have the essential characters of Onagra have been ranged in a section Eumnoihera} Those called MerioUx^ {(E. serrulata) have a little shorter receptacular tube and a stigma (Enothera spedom. dilated in the form of a disk. The petals are not entire. In Megapterium^ (CE. macrocar- pa, missourieii,sis), the receptacle is dilated around the fruit in large and thick vertical wings.* Taraxia^ ( (E. ovata, Nutta llii, etc.) has also sometimes ((E. gracilifiora) winged fruit. The receptacular tube is
. The natural history of plants. Botany. ONAGRARIACEjE. 463 All the (Enotheras whose flower and fruit have the essential characters of Onagra have been ranged in a section Eumnoihera} Those called MerioUx^ {(E. serrulata) have a little shorter receptacular tube and a stigma (Enothera spedom. dilated in the form of a disk. The petals are not entire. In Megapterium^ (CE. macrocar- pa, missourieii,sis), the receptacle is dilated around the fruit in large and thick vertical wings.* Taraxia^ ( (E. ovata, Nutta llii, etc.) has also sometimes ((E. gracilifiora) winged fruit. The receptacular tube is long and slender; the stigma is capitate, the fruit ses- sile and the stem very short. Cratericar- pium^ [CE. suhulata) has the characters of the preceding sections, with a 4-dentate stigina, stamens with small anthers and fruit Pig. 430. Flower, dilated at the summit. Hartmannia'' [CE. rosea, tetraptera), like Cratericarpium, is from South America. The fruit is often enlarged above, and the stigma is deeply divided into four lobes. The seeds are contained in distinct cavities of the pericarp. Boisduvalia' and Godetia, by some distinguished as genera, have been, by others, referred to this type as simple sections. In the former, the receptacle rises above the ovary forming a funnel-shaped cup the height of which is nearly that-of the ovary itself. In Qodetia,^ this open portion is shorter and especially extends a less distance downwards.'" In both the extremity of the style is divided into. 1 ToRK. et Ge. Fl. i. (1840) 492.â Wats. Proc. Amer. Acad. viii. (1873) 574, 679 (inol.: Onagra T. loc. eit.âAnogra Spacij, Nouv. Ann. Mus. iv. 323, 324.âKneiffia Spach, Nom. Ann. Mm. iv. 364; Suit, ct Buffon, iv. 373.â Fachylophis Spach, Noim. Ann. 356, t. 30; Suit. 363.âXylopleurum Spach, Nouv. Ann. iv. 369 ; -Suit. iv. 369.âLavauxia Spach, N. Ann. 357, t. 31; Suit. 367 (part, ex Wats. loc. cit. 585).â Baumannid Spach, Suit. 351). 2 Eafin. Amer. Monthl. Mag. [1819] bxE
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1871
