174 PLANTS FROM PEITAIHO 



Celtis Bungeana, Blume. — East Cliff. — Bush or tree. 



Bark smooth; leaves very variable, generally ovate- 

 lanceolate. — "Hackberry." 

 Humulus japonicus, Sieb and Zucc. — Waste places. — 



Climbing; stems prickly downwards; leaves deeply 



lobed. — "Japanese Hop." 

 Cannabis sativa, L. — Borders of fields. — Tall, strong; 



leaves palmately divided, leaflets coarsely toothed. — 



"Hemp." 

 Morus alba, L. — Gardens. — Tree; leaves heart-shaped, 



serrate. — "White Mulberry." 

 Broussonetia papyrifera, Vent. — Planted. — Tree; leaves 



irregularly lobed, pubescent. — "Paper Mulberry." 



JugJandaceae. Walnut Family. 



Juglans regia, L. — Chinese village. — Tree; leaves 

 pinnate; leaflets 5 — 7, large. — "Walnut." 



Cu-puliferae. Oak Family. 



Quercus dentata, Thimb. — Hills. — Tree; leaves wide, 



obovate, sinuate-lobed. 

 Quercus serrata. Thun. : — Hills. — Tree; leaves oblong 



or obovate, serrate. 

 Castanea sativa, Mill. — Lotus Hills. Transplanted. — 



Tree; leaves oblong-lanceolate, serrate. — "Chestnut." 



Salicaceae. Willow Family. 



Salix ? — Sand flats ; transplanted 



Populus Simonii, Carr. — Sand flats. — Leaves obovate 

 Tapering to base. — "Poplar." 



Ceratophyllaceae. Hornwort Family. 



Ceratophyllum demersum, L. — Ponds, submerged. — 

 Stems, slender; leaves whorled, dissected into thread- 

 like divisions. 



Sub-Division 2. — Gymnospermae. 



Gnctaceae. 



Ephedra equisetina, Bge. — East Cliff. — Stiff plant 8 in. 

 jointed, without leaves; male catkins yellow; berries 

 red. 



Coniferae. Pine Family. 



Pinus sinensis. Benth. — Thunbergii, Pari. — Lotus 

 Hills. The common Pine. 



Thuja orientalis, L. — Planted. — "Cedar." "Arbor 

 Vitae." 



Juniperus chinensis, L. -—Planted. — Berries bluish- 

 black. "Juniper." 



