1922] REHDER, NEW SPECIES, VARIETIES AND COMBINATIONS 207 



of pulp." (Travels into the Arkansas Territory p. 63). A few days 

 later he saw the three Gleditsias growing together on the banks of the 

 lower Arkansas River. Judging by the locality Nuttall's G. brachycarpa 

 is the hybrid of G. texana and not the G. brachycarpa of Pursh which was 

 from the mountains of Southwestern Virginia a region far beyond the 

 range of G. aquatica. As a synonym of his species Pursh quotes G. tri- 

 acanthos brachycarpos of Michaux for which Michaux gave no locality. 



NEW SPECIES, VARIETIES AND COMBINATIONS FROM THE 



HERBARIUM AND THE COLLECTIONS OF THE 



ARNOLD ARBORETUM 1 



Alfred Rehder 



Juniperus squamata var. Meyeri, var. nov. 



A typo recedit habitu erecto vel ascendente foliis dorso eximie glaucis. 

 Frutex humilis, ramis erectis vel ascendentibus dense ramulosis ramulis 

 brevibus erectis vel suberectis; internodia brevia pallide luteo-viridia; 

 folia lineari-lanceolata, 6-10 mm. longa, circiter 1.5 mm. lata, a medio in 

 apicem spinulosam sensim attenuata, dorso fere ad apicem leviter sulcata, 

 ventre fasciis duobus albis stomatiferis notata, nervo medio leviter elevato 

 glauco; fructus plerique ad basin ramulorum, erecti, pedunculo brevis- 

 simo dense bracteato sufFulti, ovoideo-oblongi, circiter 6 mm. longi (ut 

 videtur non bene evoluti et steriles) medio squamulorum apicibus liberis 

 triangularibus plerumque 3 instructi, apice depressi, atro-brunnei, demum 

 fere atri, levissimepruinosi; semen conico-ovoideum acutum et apiculatum, 

 2-3- costatum. 



Cultivated at the Arnold Arboretum (plants received from Hick's Nursery 

 as "Meyer's Juniper;" specimens collected October 3, 1919, September 15, 1922 

 (type); U. S. Department of Agriculture, S. P. I. No. 23023, comm. H. C. Skeels, 

 November, 1921. 



This Juniper was found by Frank N. Meyer in Tientsin, Chili, grown by 

 the Chinese as a pot plant and supposed to have come from southwestern 

 Shantung. The Chinese graft it on Thuja orientalis; how this is done is 

 shown by Meyer's photograph No. 12258 taken near Shin yeh, Honan; 

 an older plant of this variety is shown in his photograph No. 12407, 

 taken at Peking. This Juniper is a very handsome form on account of 

 its striking blue-white color and its dense habit. From the commonly 

 cultivated form of J. squamaia Lambert it is chiefly distinguished by the 

 dense upright or ascending habit and by the bluish white longer leaves. 

 It has proved perfectly hardy at the Arnold Arboretum and fruited this 

 year for the first time, though the seeds were sterile. 



1 Continued from p. 51. 



