498 Floristik, Geographie, Systematik etc. 



Kentish as Chinchona Sanctae Luciae \% as foUows: Exostemnia 

 Sanctae-Luciae comb. nov. Chinchona Sanctae Luciae Kentish. New 

 species of Bark, p. 52 (1784), C. floribunda, Sw. Pratr. 41 (1788)> 

 Exostetfinta floribundum, Roem. & Seh. Syst. V. 19 (1819), et auct. pl. 

 C. St.-Luciae, "David Philos. Trans v. I. 74" (R. & S. 1. c. sed falso). 

 C, Luciana, "Herb. Banks, ap. Vitm. Summ. Suppl. I. p. 164" (1802). 

 R. & S. E. M. Jessen (Kew). 



Britton, N. L., The Vegetation of Mona island. (Ann. Mis- 

 souri Bot. Card. p. 33—55. pl. 1—2. May 17, 1^15.) 



Contains as new: Chamaecrista gvanulata {Cassia portoricensis 

 gvanulata Urb.), C. diffusa {Cassia diffusa DC), Guilandina nielano- 

 Sperma [Caesalpinia melanosperma Urb.), Xylophylla epiphyllanthiis 

 {Phyllanthus epiphyllanthus L.), Akleniia petiolaris Millsp. {Euphorbia 

 petiolaris Sims), Pedilanthus latifolius Millsp. & Britt., Coryphantha 

 nivosa {Mamillaria nivosa Link), Mallotonia gnaphallodes {Tournefor- 

 tia gnaphalodes R. Br.), — the section Mallotonia of Tournefortia 

 being here revised to generic rank, Tabebitia heterophylla [Raputia 

 heterophylla DC), T. lucida ; and Riccia Brittonii and R. violacea 

 contributed by M. A. Howe. Trelease. 



Cobb, M. V., Relationships of the white oaksofeastern 

 North America (Proc. Amer. Philos. Soc. LIV. p. 165—175. pl. 

 4-6. May-July 1915.) 



A Sketch of the phylogenetic history of Fagaceae and in parti- 

 cular of Quercus the distributional center of which is assumed to 

 have been in southeastern Asia or on a now lost land-stretch to 

 the east of that. Differentials apply to the species of the Atlantic 

 region. Trelease. 



Cook, O. F., Ivory palms in Panama. (Journ. Wash. Acad. 

 Sei. III. p. 139—143. 1913.) 



Contains as new: Phytelephas Pittieri, P. cornutus, P. brevipes^ 

 P. brachinus and P. brachelus. New characters applicable in the 

 genus are indicated. Trelease. 



Cook, O. F., A new generic name for the Sapote. (Journ. 

 Wash. Acad. Sei. III. p. 158-160. 1913.) 



Neither Sideroxylurn nor Liicuma being considered available. 

 Achradelpha is proposed, with A. mammosa {Achras mammosa L.) 

 as the type species, Trelease. 



Cowles, H, C. and J. G. Coulter. A spring flora for high 

 schools. (American Book Company New York, Ci'ncinnati, Chi- 

 cago. 12 mo. p. 144. 1915.) 



A clean-cut little illustrated handbook describing 380 familiär 

 plants which flower before July in the North Central and 

 Eastern United States. The aim has been to include those of 

 Chief ecological importance and "those which every amateur botanist 

 should know", of not too great taxonomic difficult}', so thatgrasses, 

 sedges., rushes, etc. have been omitted. Trelease. 



