180 



TBTEANDRIA MONOGYKIA 



CLASS IV. 



TETRANDRIA. 



MOJ^OGT.mA. 



82. CEPHAL \NTHUS, 



83. ALL10NT\ 



84. HEDYOTIS 



85. SPKRMACOCB. 

 8& IHODl\ 

 S7.#H0UST0NIA. 

 88 GALIUM. 



89. RUBIA. 



90. MITCHELLA. 



91. GALLIC ARPAv 



92. LYCIUM. 



93. POLYPBEMUM. 



94. PLANTAGO. 



95. CENTUNCULUS. 



96. CENTAURELLA. 



97. FR\SKRA. 



98. SANGUTSORBA, 



99. CORNUS.. 



100. PTELEA. 



101. LUDWTGIA- 



102. AM MANN! A. 



DIG Y JVM. 



103. HAMAMEUS^ 



104. CUSCUTA. 



TETJl^iGTJVI^ 



105. S AGIN A. 



106. potamogeton: 



CEPHALANTHUS. 



Calyx communis 



proprius superus, infun- 



Comraon calyx 0, pro- 



per 



superior 



funnel 



prupnus superus, iiuuii- j per oupoiivi, t^^--- 



dibuliformis. Receptacu- j shaped. Receptacle glo- 



lum globosum, pilosum. bose, hairy. 



Capsule 



Capsula 4-locularis, non I celled, not opening. ^^^^ 



dehiscens. Semina soli- | solitaiy. 



taiia. 



, i, OCCIDENTALIS. 



Sp. pi. t. p, 543. Walt. p. 84. Mich. t. p. ST. P^sh, t. p. ^*' 



A shrub 6—15 feet high, the wood soft, spungy and P^*"? '? ^ 

 centre, the bark rather smooth. Stem jointed, much branchcUf^^ 



branches generally opposite. Leaves opposite and ^^^^*^'i^ous? 

 lanceolate, slightly acuminate, very entire, the upper surfaceg 

 shining, the veins on the under surface pubescent ^ — 5 inches ^ 



fd. 



2 — 2i wide; petioles half an inch long, pubescent, slightly J^o^^^ 

 F owers axillary and terminal; peduncles (common) -^ 



long, pubescent, 

 the searments obtuse 



4 clefti 



Cn/vx (proper) I leaved, angled, superior, ** 

 ise. Corolla 1 petal led, tubular, 4 times ^ i^^^^ 



the cafyx, hairy within, white, the border 4 cleft, segments 



