TEN 



PEN 



sometimes bv seeds : and the seventeenth rea- further in length, so that the leaves greatly re- 



dilv strikes from cuttings : the eighteenth pro- semblc the points of halberts in their shape j they 



daces seeds, but is more usually increased by arc slightly serrate, and of a lucid green 

 cuttings : and the nineteenth and twentieth are 

 readily propagated intae same way: the twenty- 



first is likewise raised from cuttings, but they 

 arc n >t very tree in striking : the twenty-fourth 

 IB raised in this manner without difficulty: but 

 in the twenty-fifth, from the branches running 

 out speedily into Bowering stalks, few arc 

 formed proper for cuttings, and these are struck 

 with difficulty. 



oil 

 their upper side, but paler on their under, stand- 

 ing upon pretty long footstalks: the leaven 



which arc on the upper part <>i the branches are 

 much narrower, and some of them have verv 

 small indentures on their sides ; they sit closer 

 to the stalks, and are. placed alternately : the 

 flowers are miliary; they come out lor the most 

 ptrt singly, hut sometimes there are two arising 

 at the same place from the side of the fob 31 ill: 



All these plants are highly ornamental, and of the leaves: the peduncle is short and slender; 



afford considerable variety in collections 01 

 green-house plants. 



PELLI rORY, BASTARD. See Achillf.vs. 



PELLITORY OF SPAIN. See Anthbmis. 



PENNY-KOYAL. See Mentha 1'lle- 



BIl '•:. 



PENTAPETES, a genus comprising a plant 

 of the exotic kind, for the stove. 



It belongs to the class and order Monadelpkia 



they are of a fine scarlet colour, appearing in 

 July. It is a native of India. 



Culture. — This plant may be increased by 

 sowing the seeds upon a good hot-bed earlv in 

 March ; and when the plants are fit to remove 

 there should he a new hot-bed prepared to re- 

 ceive them, into which must be plunged some 

 small pots filled with good kitchen garden earth; 

 into each of which one plant should he put, 



Dodtcandria, and ranks in the natural order of giving them a little water to settle the earth to 

 Cobimniferce. their roots, shading them from the sun till they 



The characters arc : that the calyx is a double have taken new root; when they should he 



perianthium : outer three-leaved, one-sided, 



caducous : lea'Vts linear, acuminate : inner 



one-leafed, five-parted, permanent : segments 



lanceolate, acuminate, spreading, longer than 



the corolla : the corolla has live petals, roundish, 



spreading, fastened to the pitcher ot stamens: the so as to fill the pots with their roots, 



stamina Tiave fifteen filaments, filiform, upright, should be shifted into larger pots, filled 



treated in the same way as other tender exotic 

 plants, admitting the free air to them every day 

 in proportion to the warmth of the season, and 

 covering the glasses with mats every evening. 

 When the plants are advanced in their growth. 



they 

 with 



shorter than the corolla, united below into a pen- the same sort of earth as before, and plunged 

 ttgon pitcher, but free above : anthers sagittate, into another hot-bed, where they may remain 

 upright : ligules live, linear-lanceolate, petal- as long as they can stand under the glasses of 



shaped, upright, each between every three sta- 

 mens, springing from the pitcher : the pistillum 

 has an ovale germ : style filiform, thickened 

 above, striated, longer than the stamens, per- 

 manent : stigma obsolete!)' five-toothed : the 

 pcruarpium is a membranaceous capsule, sub- 

 globular, acuminate, five-celled, live-valved : 

 partitions contrary : the seeds eight, ovate, acute, 



the bed without being injured ; and afterwards 

 thev must be removed either into a stove or 

 a ^iass-case, where they may be screened from 

 the cold, and in warm weather have plenty of 

 fresh air admitted to them. 



These plants are sometimes turned out of the 

 pots, when they are strong, and planted in warm 

 borders; where, if the season prove very warm, 



four on each side, fastened within side to the the plants will flower tolerably. 



PENTSTEMON, a genus containing plants 

 of the hardy herbaceous flowering kind. 



It belongs to the class and order D'lJynumia 



partition. 



The species is P. Plucnicca, Scarlet-flowered 

 Pentapetes. 



It is an annual plant, which dies in the au- 

 tumn soon after it has ripened seeds : it has an 

 uptight stalk from two to near three feel high, 

 Bending out side branches the whole length : 

 those trom the lower part of the stalks aie the 

 longest : the others «raduallv diminish, so as to 

 form part of a pyramid. They are garnished 

 with leaves of different forms ; the lower leaves, 

 which are largest, arc cut on their sides tow. rds 

 the base into two side lobes which arc siiort, .aid 



Angiospermia, and ranks in the natural order of 

 I'd so alts. 



The characters are: that the calyx is a one- 

 leafed perianthium, five-parted, permanent: 

 segments lanceolate, almost equal: the corolla 

 one-petalled, two-lipped: tube longer than the 

 calyx, gibbous above at the base, wider at top, 

 and there ventricose underneath : *upper lip up- 

 right bifid ; segments ovale, blunt, shorter than 

 the lower lip: lower lip three parted ; segments 



the middle is extended two or three niches ovate, blunt, bent down, shorter than the tube : 



1 



