214 TAXONOMY, VASC. PLANTS [Box. Absts., Vol. X, 



key is given for the subspecies and varieties of T. gigantea. The following new combinations, 

 new varieties, and new subspecies are proposed: Themeda laxa (Anthistiria laxa Anderss.) 

 T. strigosa {Anthistiria strigosa Ham.), T. ciliata Hack, subsp. genuina, T. ciliataHsick., 

 subsp. chinensis, T. ciliata Hack, subsp. Helferi {T. Helferi Hack.), T. Thicaitesii (Anthis- 

 tiria Thwaitesii Hook, f.), T. anathera Hack. var. genuina, T. anathera Hack. var. major, 

 T. anathera Hack. var. glabra, T. Hookeri {Anthistiria Hookeri Griseb.), T. gigantea Hack, 

 var. intermedia {T. gigantea Hack, subsp. intermedia var. intermedia Hack.), T. gigantea 

 Hack. var. dubia {T. gigantea Hack, subsp. intermedia var. dubia Hack.). — E. B. Payson. 



1404. Camus, Aim6e. Note sur le genre Themeda Forsk. (Graminees). [Note con- 

 cerning the genus Themeda.] Bull. Mus. Hist. Nat. [Paris] 26: 266-273. 1920.— A dichotom- 

 ous key is given to the 11 recognized species of Themeda. A similar key is also given to the 13 

 varieties of T. triandra. Synonyms are given for the varieties and specimens are cited. 

 The following new varieties and varietal combinations are proposed: Themeda arguens Hack, 

 var. genuina, T. triandra Forsk. var. vulgaris {T. Forskalii Hack. var. vulgaris Hack.), T. 

 triandra Forsk. var. imberbis {T. Forskalii Hack. var. imberbis Hack.), T. triandra Forsk. 

 var. mollissima (T. Forskalii Hack. var. mollissima Hack.), T. triandra Forsk. var. argentea 

 (T. Forskalii Hack. var. argentea Hack.), T. triandra Forsk. var. Roylei, T. triandra Forsk. 

 var. punctata {T. Forskalii Hack. var. punctata Hack.), T. triandra Forsk. var. glauca {T. 

 Forskalii Hack. var. glauca Hack.), T. triandra Forsk. var. Burchellii {T. Forskalii Hack, 

 var. Burchellii Hack.), T. triandra Forsk. var. syriaca {T. Forskalii Hack. var. syriaca Hack.), 

 T. triandra Forsk. Var. brachyantha {T. Forskalii Hack. var. brachyantha Hack.), T. triandra 

 Forsk. var. major (T. Forskalii Hack. Var. major Hack.), T. triandra Forsk. var. cerifera. — 

 E. B. Payson. 



1405. Camus, AiM^E. Notes sur quelques Cymbopogon odorants (Graminees). [Notes on 

 some fragrant Cymbopogons (Gramineae).] Bull. Mus. Hist. Nat. [Paris] 26: 562-566. 1920. 

 — Notes are given concerning species and varieties treated by Hackel under the name of 

 Andropogon Schoenanthus L. The following new species and new combinations are proposed: 

 Cymbopogon annamensis {C. Martini var. annamensis Cajnus) , C.mekongensis, C.bassacensis, 

 C.nervatus {Andropogon nervatus Hochst.), C.densiflorus {Andropogon densiflorus Steudel). 

 The variety traninhensis of C. confertiflorus Stapf is also described. All the plants considered 

 in this paper are fragrant and contain an essential oil. — E. B. Payson. 



1406. Camus, AiMEE. Un Andropogon nouveau de I'Asie orientale. [A new Andropogon 

 from eastern Asia.] Bull. Mus. Hist. Nat. [Paris] 26: 561. 1920. — Andropogon Thorelii is 

 described as new. — E. B. Payson. 



1407. Camus, Aimee. Une espece nouvelle de bambon. [A new species of bamboo.) 

 Bull. Mus. Hist. Nat. [Paris] 26: 567. 1920. — Gigantochloa cochinchinensis is described as new 

 to science. — E. B. Payson. 



1408. Cardot, J. Notes sur les especes asiatiques du genre Photinia, section Pourthiaea 

 (Rosacees). [Notes on the Asiatic species of the genus Photinia, section Pourthiaea (Rosaceae).] 

 Bull. Mus. Hist. Nat. [Paris] 26 : 568-571. 1920. — Extensive notes are given concerning several 

 species of Photinia. The following new combinations are made: Photinia Calleryana {Pour^ 

 thiaea CalleryanaT>cne.), P . cotoneaster {Pourthiaea cotoneaster Dene.), P .fokienensis F ranch. 

 mss. (Photinia glabra var. fokienensis Franch.). — E. B. Payson. 



1409. Choux, p. Une nouvelle Asclepiadacee aphylle du nord-ouest de Madagascar. 

 [A new leafless Asclepiad from northwestern Madagascar.] Compt. Ptcnd. Acad. Sci. Paris 

 172:1308-1311. 1921. — An extended discription of this new plant is given. It is placed in the 

 tribe Cynanchineae and named Nematostemma (n. gen.); one species is characterized, namely, 

 A'. Perrieri. — C. H. Farr. 



