16 DowniE—CHINESE SPECIES OF TSUGA. 
ti. Scales up to 10 x 7 mm. about 35 per cone. 
é . 5+ -T. calcarea, 
b. heaves alw ave enero on mar 
i. Leaves up to 18 mm. oe: ‘branchlets yellow. 
6. 
. chinensis. 
Leaves up nes 25 mm. long, b bintichlets brown or 
‘red-brown. : i 7. T. Forresti. 
Enumeration of Species. 
1. Tsuga dura, Downie, sp. n. Arbor 30-90-pedalis (ex For- 
rest) ; ramuli hornotini lutei, indumento sparso pallide brunneo, 
pulvino subprominente apice fusco-rubro-brunneo subconspicue 
rimoso alabastro axillari dimidio breviore, annotini teretes, mox 
cinereo-brunnei et sublaeves ; alabastri squamae setulosae. Folia 
6-21 mm. longa, 2 mm. lata, apice obtusa vel rotundata, basi in 
petiolum angustata, supra sulcata, subtus alba, fasciebus stoma- 
tiferis duabus e lineis 7-9 constitutis, margine parte dimidia 
superiore subregulariter denticulata, breviter petiolata. Amenta 
oO stipite 4 mm. longo suffulta, e ramulis iuvenilibus orta, ag- 
gregata. Strobili iuventute azureo-purpurei, maturi pallide 
brunnei, erecto-patentes, obtusi, 20 mm. longi, sessiles, squamis 
oblongis apice rotundatis vel fere subtruncatis anguste margin- 
atis minute irregulariter denticulatis rigidis nitidis striis ir- 
regularibus inconspicuis vel fere deficientibus. 
Yunnan. Eastern flank of the Lichiang Range. Lat. 27° 25 
N. Tree 30-90 ft. In isolated groups and specimens in mixed 
forests. Forrest, 6747. Aug. Igro. 
2. Tsuga yunnanensis, Masters in Journ. Linn. Soc. vol. 
XXVI, p. 556 (1902), et vol. xxxvii, p. 421 (1906) pro parte. 
Abies yunnanensis, Franchet in Journ. de Bot. xiii, p. 258 
(1899). 
Upper Burma, Hpimaw. Ward 1666. 
Yunnan, Yang in Chan, in woods 2800 m. Delavay ! (type): 
Lichiang. Delavay 172! 
Western Szechuan. Wilson 2008, 2 
Specimen 172 collected by Delavay in Méniitetia of Lichiang 
is noted by Franchet as a form of A. yunnanensis with a slightly 
smaller cone. The material I have examined shows all grada- 
_ tions in the size of cone from that of Delavay 172 to the type 
specimen, and I conclude that they are all forms of one species. 
3- Tsuga patens, Downie, sp. n. Ramuli novelli luteo- 
-brunnei, indumento brevi pallido saepissime in sulcis tantum, 
pulvino rubro-brunneo alabastro axillari dimidio breviore, mox 
cinerei, vix laeves, pulvino conspicuo apice rimoso inferne am- 
