180 
THE VEGETATION OF THE ZEMU 
140. Areiiferia StracUeyi Edgew. 
Llonakh, 14,500 ft., No. 2-119. A Tibetan plant. Previously also 
from Chumbi, not from Sikkim. 
141. Areiiaria cerastiiformis Williams. 
Llonakh, 16-17,000 ft., Nos. 2112, 2346. Recorded from Chumbi 
and Giagong. 
143. Arenaria melandryoides Edgew. 
Zemu Valley and Llonakh, 14-17,000 ft.. Nos. 1485, 1541, 1783, 
1976. Common. 
143. Arenaria debilis Hook. f. 
Zemu and Llonakh, 14-16,000 ft., Nos. 1415, 1514, 1793. 
144. Arenaria Littledalei Hemsl. 
Naku La, Lloijiakh, 16,000 ft.. No. 1984. A Tibetan plant, not 
previously recorded from Sikkim. 
145. Arenaria thangoensis W. W. Smith, sp. nov. 
A, Littledalei Hems, affinis ; sed pentamera et caule viscoso- 
pubescente, sepalis ciliatis distincta. 
Parva, annua, viscoso-pubescens. CauUs 2-3 cm. altus, pluries 
dichotomus, rigidulus. Folia 3-4 mm. longa, opposita, lanceolata, fere 
sossilia. Cymi pauciflori, pedicelli graciles divaricati, flores parvi. 
Sepala quinque, 1*5 mm. longa, lineari-lanceolata, ciliata ; petala nulla; 
stamina quinque 7-8 mm. longa ; Hyli duo ; ovarium ovoideum in 
fructu calycem excedens, quadrivalve, seminibus paucis. 
Thango, 13-14,000 ft., No. 2572. 
50. Sagina Linn. 
146. Sagina procumbens Linn. 
Naku La, Llonakh, 14-16,000 ft. 
XI. — TAWARISCINE^. 
51. Myricaria Desv. 
147. Myricaria germanica Desv. 
Zemu Valley, 11,000 ft.. No. 1101, Frequent. 
XII. — HYPERICINE.E. 
53. Hypericum Linn. 
148. Hypericum Hookerianum W. & A. 
Lachen and Zemu Valley, 7-9,000 ft,, Nos. 943, 2758. 
