10 Colchicine 



Tabk" 1 . 1 [continued) 



Chromosome 



Species Name Authority Flowering Date Number 



Section 5. Cupaniae {continued) 



C. pusillum Sieb. Oct.-Nov. 



C. hiemale Freyn Dec. -Jan. 



C. troodt Kotschy Oct. 



C. steveni Kunth. Sept.-Jan. 



C. parlatoris Orph. Aug.-Nov. 



Section 6. Filifoliae 



C. fili folium Stef. Oct.-Nov. 



Section 7. Arenariae 



C. arenarnim W. K. Sept. -Oct. 



C. alpinum Lam. et DC. Aug.-Sept. 



Subgenus 2. Eucoichicum: 



Section 8. Aiitumnales 



C. cursicum Baker Sept. 



C. micranlhum Boiss. Sept. 



C. borisii Stef. Aug. 



C. umhrosum Stev. Aug.-Sept. 



C. laetum Stev. Sept. 



C. kotschyi Boiss. Aug.-Nov. 



C. decaisnei Boiss. Oct. 



C. neapoUtanum Ten. Aug.-Sept. 2« = 38 



C. longifolium Cast. Aug.-Oct. 



C. kochii Pari. Aug.-Sept. 



C. lingidatum Boiss. et Sprun Sept. -Oct. 



C. haynaldii Heuff. Sept. -Oct. 



C. autumnale L. Aug.-Oct. 2n = 38 



C. lusitanum Brot. Sept. -Nov. 



C. tenorii Pari. Sept. 2n = 40 



(C. byzanlium Ten.) 



C. levied Janka Sept. 



C. visianii Pari. Sept. 



C. turicum Jka Aug.-Oct. 



C vnriegatum L. Sept.-Oct. 2«=44 



C. latifoUum S. S. Aug.-Oct. 2« = 54 



C. speciosum Stev. Aug.-Oct. 2v=38 



C. bivonae Guss. Sept.-Oct. 2/? = 36 



regions where Colchic inn is abundant are unusually high in chromo- 

 .sonie numbers. This question was raised alter the cytological work re- 

 vealed an action on mitotic processes in plants. 



Additional lelerences and details concerning the botanical fea- 

 tures ol the official di iig-producing species are given in Chapter 5. 



