PIL 



323 



PIN 



preceding, and a powerful siala- 

 gogue : Pilocarpus jaborandi, 

 believed to be a different plant, 

 but possessing similar physio- 

 logical effects. 



pilidium, n., ptt-ldtt-tim (Gr. 

 pileos, a cap ; eidos, resemblance), 

 an orbicular lichen-shield. 



pill, n., pil (L. pila, a ball), a 

 medicine made up in the shape 

 and size of a pea, to be swallowed 

 whole : pillule, n., pll'-ul (L. 

 plluld, a little ball), a small pill. 



pilose, &.,pil-dz' (L.ptlosus, hairy, 

 shaggy from pilus, a hair), in 

 bot., covered with long, distinct 

 hairs ; abounding in hairs, 



Pimenta, n., pim<ent'a (Sp. pim- 

 iento), a genus of plants, Ord. 

 Myrtacese : Pimenta officinalis, 

 tif-fis'-m-dl'isfa. ojficmdlis, offic- 

 inal), a tree, a native of the 

 W. Indies and Mexico, producing 

 Pimento, Allspice, or Jamaica 

 pepper, so named from the arom- 

 atic odour of the fruit, contains 

 an acrid volatile oil, and is some- 

 times employed as a stimulant and 

 carminative. 



Pimpinella, n., plmp'-m-U'-la 

 (corrupted from bipinnate, refer- 

 ring to the leaves being twice 

 pinnate ; It. pimpinella, the herb 

 pimpernel), a genus of plants, Ord. 

 Umbelliferae : Pimpinella anis- 

 tim, dn'iz'um (L. dnisum, anise), 

 a species from whose fruit a 

 carminative and aromatic oil is 

 obtained. 



pinakenchyma, n. , ynn'-ak-Vng'* 

 kirn- a (Gr. pmax, a table ; 

 engchuma, an infusion), in bot., 

 the muriform tissue of the medul- 

 lary rays of woody stems, whose 

 flattened, much shortened cells 

 assume a tabular form. 



Pinckneya, n., pmk-ne'-d (after 

 Mr. Pinckney, an American), a 

 genus of plants, Ord, Rubiaceee : 

 Pinckneya pubens, pub'Znz (L. 

 piibens, pubescent), a tree which 

 yields the fever-bark of Carolina, 

 having long downy leaves. 



pinenchyma, n., pm-eng'-klni'd, 

 same as 'pinakenchyma,' which 

 see ; in bot., tissue composed of 

 tabular cells. 



pin-eyed, a. , pm'-id' (pin, and eye\ 

 in bot., having long styles with 

 stigma visible at the top of the 

 floral tube, as in the flower of 

 Primula. 



Pinguicula, n., pm-gwik'-til'd (L. 

 pingmculus, somewhat fat from 

 pinguis, fat), a genus of beautiful 

 little plants, Ord. Lentibulari- 

 aceae, whose species are called 

 butterworts from giving consist- 

 ence to milk, so named in refer- 

 ence to the greasy appearance of 

 their foliage, the leaves secrete 

 a viscid fluid which detains 

 insects : Pinguicula grandiflora, 

 grand f 'i'flor f -d (L. grandis, great, 

 large ; flos, a flower, floris, of a 

 flower), a species peculiar to 

 Ireland : P. alpina, dlp'in'd (of 

 or from the Alps), a species 

 peculiar to Scotland, 



pinna,, n., pin'nd, pinnaB, n. plu., 

 pin'-ne (L. pinna, a feather or fin), 

 a general name applied to the fin 

 of a fish, or to the feather or wing 

 of a bird ; in bot. , the leaflet of a 

 pinnate leaf; inanat., the auricle 

 or outer ear, projecting beyond 

 the head : pinnate, a. , pm'ndt, 

 in bot., having the leaves divided 

 in a feathery manner ; in a com- 

 pound leaf, having several leaflets 

 attached to each side of a central 

 rib ; feather-shaped, or possessing 

 lateral processes : pinnatifid, a. , 

 pin-ndt'-l-fid (L. findo, I cleave ; 

 fidi, I cleft), in bat. , having leaves 

 cut into lateral segments to about 

 the middle, like those of the 

 common groundsel : pinn^tipart- 

 ite, a., pm-ndt'-i-pdrt'tt (L. part- 

 Uus, divided), having leaves cut 

 into lateral segments, the divisions 

 extending nearly to the central 

 rib. 



pinnatisect, a., pm-nat'-i-sekt (L. 

 pinna, a fin ; sectus 9 cut), in 

 bot., having leaves divided nearly 



