438 Floristik, Geographie, Systematik etc. 



Rydberg, P. A., Balsaminaceae. (North american Flora. XXV. 

 p. 93—96. June 3, 1910.) 

 Impatiens, with 9 species, of which /. occidentalis, I. Nortonii 

 and /. inexicana are described as new. Trelease. 



Rydberg, P. A., Lirnnanthaceae. (North american Flora. XXV. 

 p. 97—100. June 3. 1910.) 



Lhnnanthes, with 9 species, including the new name L. versi- 

 color {Floerkea versicolor Greene) and Floerkea, with two species. 



Trelease. 



Sargent, C. S., Crataegus in Pennsylvania. IL (Proc. Acad. nat. 

 Sei. Philadelphia. LXXII. p. 150—253. Mar. 1910.) 



One hundred and ten species are recorded, of which 21 con- 

 stitute a new group ^^Medioximae'\ Standing between the ^,Pruino- 

 sae"^ and ^^Tenuifoliae. Contains, as new: Crataegus olivacea, C. ac- 

 cincta, C. phlehodia, C. aliena, C. punctata rnicrophylla, C. calvescens, 

 C. recedens, C. praestans, C. angulata, C. wümorensis, C. crawfor- 

 diana, C. bellatulaj C. mnplifica, C. denudata, C. dunvnorensis, C. 

 advena, C. torta, C. relicta, C. erubescens, C. divisifolia, C. edurescens, 

 C. latifrons, C. tribulosa, C. hicompta, C. bedfordensis , C. durachia, 

 C. lecta, C. medioxima, C. ambigens, C. puta, C. blairensis, C. leimo- 

 nia, C. ampUata, C. pyramidata, C. impervia, C. luxuriosa, C. recor- 

 dabüis, C. delectata, C. infensa, C. vegrandis, C. radina, C. laetans, 

 C. ruricola, C. effera, C. caerulea, C. angustisepala, C ßanunata, C. 

 siderea, C. antheina, C. propensa, C. heidelbergensis, C Burkeana, C. 

 grossa, C. dacrioidea, C. varians, C. repentbia, C. scopulorum, C. 

 ignava, C. Twiningii, C. leptalea, C. fructuosa, C. laetula, C. Kinserae, 

 C. confusa, C. coniortula, C. calUsta, C. alpista, C. fortunata, C. 

 luteola, C. Jenningsii, C scabra, C. gratiosa, C. putata, C errata, C. 

 tanuphylla, C. propixa, C. vaga, C. laetifica, C. diaphora and C. agaia. 



Trelease. 



Small, J. K., Malpighiaceae. (North american Flora. XXV. p. 

 117—171. June 3, 1910.) 



Mascagnia (13 sp. — M. Brittonii, M. Gouania and M. cana {M. 

 sericea Niedzu) as new); Hiraea (6 sp. — H. dipholiphylla as new); 

 Triopteris (4 sp. — T. paniciilata {Malpighia paniculata Mill.) and T. 

 Brittonii as new); Tetrapteris (10 sp. — T. glabrifolia {T. calophylla 

 glabrifolia Griseb.), T. Donnel-Smithii and T. reticulata as new); 

 Adenoporees n. gen. with A buxifolius {Tetrapteris buxifolia Cav.); 

 Callaeum n. gen. with C. nicaraguense {Jubelina nicaraguensis 

 Griseb.); Gaudichaudia (8 sp); Rosanthus n. gen. with R. subverti- 

 cillatus {Gaudichaudia subverticillata Rose); Banisteriopsis C. B. 

 Robinson, n. gen. with B. cornifolia C. B. Rob. {Heteropteris corni- 

 folia HBK.), B discolor Small {Banisteria cornifolia discolor Donn. 

 Sm.), B. guatemalensis C. B. Rob. {Bajiisteria guatemalensis'H\edz\x), 



B. acapulcensis Small {Heteropteris acapulcensis Rose), B. paucißora 



C. B. Rob. {Banisteria paucißora HBK.), B. argentea C. ß. Rob. 

 {Heteropteris argentea HBK.), B. Schomburgkiana C. B. Rob. {Baniste- 

 ria ScJiomburgkiana Benth.), B. speciosa Small and B. lucida Small 

 {Banisteria lucida Rieh.), Banisteria (17 sp. — with, as new, B. 

 Beecheyana C. B. Rob. {Heteropteris Beecheyana A. Juss.), B. cotini- 

 folia C. B. Rob. {H. cotinifolia A. Juss.), B. arborescens Small {H. 



