Floristik, Geographie, S5^stematik etc. 301 



(R. serrulata Cr6p.), R. Bicknellii, R. petiolata, R. Aucuparia, R. 

 Palmen, R. Treleasei, R. texaskana, R. subglauca, R. conjuncta, R. 

 Bushii, R. Butleri, R. subblanda (R. blanda Jacq.), R. columbiana, 

 R. palustriformis, R. arisonica, R. granulifera, R. bidenticulata , R. 

 corymbiflora, R. Johnstonii, R. Eastwoodiae, R. Standleyi, and R. 

 oligocarpa. Trelease. 



North American Flora. Vol. XXII. Part 6. (Dec. 30, 1918.) 



To the Conclusion of Rydberg's Rosaceae is appended a 

 series of additions and corrections (p. 535 — 560) to the treatment of 

 Rosales by the several authors of the original revisions. The treat- 

 ment of Rosaceae is noted in a separate abstract: the Supplement 

 contains as new Micranthes gaspensis Small {Saxifraga gaspensis 

 Fernald), M. interrupta Small, Neodeutsia occidentalis Rydberg 

 (Deutsia occidentalis Standley), and Connarus Williamsii Britton. 



Trelease. 



Sargent, C. S., Notes on North American trees. IV. (Bot. 

 Gaz. LXVII. p. 208-242. Mar. 1919.) 



Contains as new: Picea glauca albertiana (P. canadensis alber- 

 tiana Rehd.), Juniperus utahtnsis megalocarpa (J. megalocarpa 

 Sudw.), Populus tremuloides vancouveriana (P. vancouveriana Treb. 

 & Tidestr.), P. arisonica, P. arisonica Jonesii, P. Palmen, P.texana, 

 P. Fremontii Thornberii, P. Fremontii pubescens, P. Fremonlii Tou- 

 meyi X P- Pwryi (P- Fremontii X trichocarpa), Ostrya virginiana 

 glandulosa, Betula Eastwoodae, X P- commixta (B. alaskana X 

 glandulosa}), Celtis occidentalis canina (C. canina Raf.), C. reticulata 

 vestita, C. laevigata Smallii (C. Smallii Beedle), C. laevigata texana 

 (C. texana Scheele) and its f. microphylla, C. laevigata brachyphylla, 

 C. laevigata anomala, C. laevigata brevipes (C. brevipes Wals.), C. 

 pumila georgiana (C. georgiana Small), C. pumila Deamii, Platanus 

 occidentalis attenuata, P. occidentalis glabrata (P. densicoma Dode), 

 Magnolia virginiana australis, M. acuminata ludoviciana, Acer sac- 

 charum glaucum (A. saccharinum glaucum Pax), A. saccharum 

 sinuosum (A. sinuosum Rehder), A. rubrum var. Drummondii f. 

 rotundata, A. Negundo var. texanum f. latifolium (A. Negundo lati- 

 folium Pax), A. Negundo Inferior (A. inferior Britt.), A. Negundo 

 arisonicum, Fraxinus americana subcoriacea, and Castanea alnifolia 

 floridana. Trelease. 



Sargent, C. S., Notes on North American trees. V. (Journ. 

 Arnold Arboretum. I. p. 61—65. July 1919.) 



Contains as new: Populus acuminata Rehderi, P. Fremontii 

 macrodisca, P. balsamifera virginiana (P. delfoidea Marsh.), P. bal- 

 samifera pilosa, Betula papyrifera elobata (B. alba elobata Fern.), 

 B. papyrifera occidentalis (B. occidentalis Hook.), B. papyrifera sub- 

 cordata (B. subcordata Rydb.), B. papyrifera montanensis (B. monta- 

 nensis Butler), and B. fontinalis Piperi {B. Piperi Britt.). 



Trelease. 



Sargent, C. S., Plantae Wilsonianae. (Publ. Arnold Arbore- 

 tum. N° 4. Cambridge, The University Press. III. X -4- 666 pp. 

 1917.) 



Vol. 3, part 1, issued May 8, 1916, contains as new: Smilax 



