438 TAXONOMY, VASC. PLANTS [Bot. Absts. 



2987. House, Homer D. Notes on local floras, V. (Rept. of the State Botanist, 1917.) 

 New York State Mus. Bull. 205-206: 14-31. 2 fig. 1918. — Notes on range of 50 species in 

 New York State are given with an outline map of the state showing the distribution of three 

 species of Ophrys. — Alfred H. W. Povah. 



2988. House, Homer D. Two plants new to the flora of the United States. (Rept. of the 

 State Botanist, 1917.) New York State Mus. Bull. 205-206:31. 1918.— Geryonia ciliata 

 (Haw) House comb, nov., a native of India, was found on dredgings at Ferndale, Oregon, 

 and Geranium pyrenaicum Burm. f., a native of Europe, was found on a mussel reef at Cape 

 Arago, Oregon, by Dr. \V. Haydon. Specimens of the former have been deposited in the 

 Gray Herbarium. — Alfred H. W. Povah. 



2989. JanseN, P., and W. H. Wachter. Floristische aanteekeningen. XV. [Floristic 

 Notes.] Nederland. Kruidkundig Arch. 1918:90-110. May, 1919. — 'Keys and descriptions 

 of adventive plants to Holland, also varieties and hybrids. These are described strikingly 

 in balanced columns thus aptly emphasizing distinctive characters. — /. A. Nieuwland. 



2990. Kloos, Jr., A. W. Verslag van de Pinkster excursie in the omgeving van Weert. 

 fReportof the Pentecost excursion in the neighborhood of Weert, Holland.] Nederland. Kruid- 

 kundig Arch. 1918: 73-89. May, 1919. — The plants that were found on the expedition, many 

 adventive and new to the locality, are reported with remarks as to origin, character, and 

 abundance. — /. A. Nieuwland. 



2991. Lacaita, C. Piante Italiane critiche o rare. [Critical or rare plants of Italy.] 

 Nuovo Giorn. Bot. Ital. 25: 1-63. 6 pi. 1918. — The author presents detailed notes on sev- 

 eral critical or rare plants of Italy and includes descriptions of the following new species and 

 varieties: Campanula pseudosienocodon, Convolvulus elegantissimus Mill. var. argyreus, 

 Hierac.ium slrictiflorum, Lavatera thuringiaca var. silvestris (L. sylvestris Cir.), and Saxi- 

 fraga bulbifera L. var. pseudogranulata. [See also next following Entry, 2992.] — J. M. 

 Greenman. 



2992. Lacaita, C. Piante Italiane critiche o rare. [Rare or critical Italian plants.] 

 Nuovo Gior. Bot. Ital. 25: 97-145. 1918.— In this paper, which is one of a continued series, 

 the writer describes and gees into critical discussion of Italian plants which are rare or diffi- 

 cult. The genera considered are: Carlina, Centaurea, Cirsium, Echium, Lamium. Cirsium 

 Grandii is described as a new hybrid species; C. creticum var. Triumfetti appears as a new 

 variety; C. spurium (DC.) and Carlina acaulis var. raynosa are published as new combina- 

 tions; and Centaurea collina var. Gouani, Cirsium Triumfetti, and C. stabianum are given as 

 new names. [See also next preceding Entry, 2991.] — Ernst Artschwager. 



2993. Lauterbach, G. Britrage zur flora von Papuasien. VI. [Contributions to the 

 flora of Papuasia. VI.] Bot. Jahrb. 55: 145-312. Dec. 13, 1918.— The present contribution 

 is a continuation from a previous number of Engler's Botanische Jahrbucher (55: 136. 1917) 

 of the authors results of researches on the flora of New Guinea in cooperation with C. De 

 Candolle, E. Gilg, R. Schlechter, and O. E. Schultz. The scope and character of the 

 contribution are indicated under the names of the cooperating specialists. — J. M. Greenman. 



2994. Lauterbach, G. Die Rutaceen Papuasiens. [The Rutaceae of Papuasia.] Bot. 

 Jahrb. 55:221-265. 7 fig. Dec, 13, 1918.— The author presents a synoptical revision of 

 the Rutaceae of New Guinea recognizing 19 genera and 79 species. Only 3 of the 19 genera 

 are endemic to the island while a relatively large percentage of the species, namely 65 of the 

 total number, are not known to occur outside of Papuasia. The new species described are 

 as follows: Evodia synaptoncura. E. Peelcelii, E. chloranlha, E. micrantha, E. Bismarckii- 

 montittm. E. pachypoda, E. Ledcrmannii, E. coriacea, E. Hunstcinii, E. Schraderi, Melicope 

 sarcococca, M. papuana (Fagara papuana Lauterb.), M. iboensis, M. trachycarpa, M. rupes- 

 Iris, M. Dielsii, Terminothodia Schultzei-Leonhardi, T. obovata, Acronychia emarginata, A. 



