p. MONOPHYLLA AND CEMBROIDES 31 



P. MoNOPHYLLA, the one-in-E-cluster representa- 

 tive, is a very slow-growing tree, and only occasionally 

 seen in botanical gardens. Though it is rumoured 

 that attempts to grow them — and we may include 

 in this remark the Edulis and Cembroides — were 

 made many years ago, evidences of these efforts are 

 apparently not very forthcoming. A few have, we 

 believe, been planted of late years by collectors of 

 the " unordinary." As the tree only seems to 

 increase at a rate of about 3J in. per annum, it must 

 be presumed that those who plant, plant for a far- 

 distant-off posterity. Yet even this tree, with all its 

 sloth of habit, does not bear away the palm, under 

 Grand National Donkey Race rules (when the first 

 is last, and the last first), in any competition of this 

 description among its kindred companions, since the 

 P. Edulis grows at a still slower pace. It and the 

 P. Parryana, or Quadrifolia (as it seems better 

 known in America), the representative of the four- 

 in-a-cluster member of the family, are more or less 

 non-existent in the British Isles, though Veitch in his 

 manual of Conifers suggests hopeful possibilities for 

 the latter in a Cornish or Devon climate. I cannot 

 hold out encouraging hopes to any in quest of their 

 seed. So far it is the only one mentioned in the 

 fifty-two species of Pines by Elwes and Henry that 

 I have failed to add a specimen of to my cone col- 

 lection. 



P. Cembroides. — The three-leaves-in-a-cluster 

 member of the group. 



After diligent search, quite respectably grown 

 specimens of this tree have been found growing in 

 several places in Great Britain. Though not of much 

 account evidently here, or highly recommended by 

 the faculty, these trees bear in the central scales of 

 their cones highly prized delicacies of an edible 



