1696 
* PHACÉLIA tanacétifólia. 
Tansy-leaved Phacelia. 
PENTANDRIA DIGYNIA. 
Nat. ord. Hypropuyiiex. R. Br. (Introduction to the Natural Sys- 
tem of Botany, p. 244.) 
; PHA CELIA. Juss. Corolla decidua. Ovarium ovoideo-globosum, piloso- 
hispidum. Placente lineares, sepius dorso parietibus ovarii adnate, biovulate, 
Capsula dissepimentis subcompletis pseudobilocularis.— Herbs annue v. 
perennes, erecta v. diffuse. Flores racemosi, densi, sessiles, v. laxi pedun- 
culati, cymis unilateralibus simplicibus v. dichotomis. Bentham MSS. 
P. tanacetifolia ; scabro-pubescens v. hispida; foliis bipinnatifidis: segmen- 
tis oblongis dentato-pinnatifidis, calycis laciniis oblongo-linearibus hispidis, 
staminibus exsertis, Bentham MSS. 
P. tanacetifolia, Bentham in Hort. Trans, n. s. vol. 1. p. 479. 
a Annua, Caulis suberectus, debilis, ramosus, fragilis, subangulatus, pilis 
rigidis inequalibus laxó exasperatus. Folia pilis brevissimis aspera, fragilia, 
subsucculenta, pinnata ; laciniis pinnatifidis lobis ovatis obtusiusculis grosse 
serratis. Racemi compositi, more ordinis circinati, hirsutissimi. Calyx 
ebracteatus, 5-phyllus ; sepalis linearibus, corolle subequalibus, 4 omnino 
equalibus, quinto paululîm majore et sub estivatione a reliquis remoto. Corolla 
tubo brevi obconico; limbo equali, 5-lobo ; laciniis oblongis subundulatis 
patulis, estivatione imbricatis. Stamina 5, basi corolla inserta, filamentis 
subulatis exsertis ; anthere oblonge, flavescentes, subversatiles. Squame tubi 
10, membranacee, lunate, per paria inter bases filamentorum approximate, 
verosimiliter pro antheris sterilibus à dorso tubo corolle adnatis, lobis liberis 
membranaceis, habende. Ovarium parvum, ovatum, apice crinitum, uniloculare, 
placentis 2, erectis, subulatis, linearibus, liberis, (quasi parietalibus solutis), 
amce et basi ovario adherentibus. Ovula cuique placente 2, appensa, 0. 
potius peltata, quorum 3 sepius abortiunt, uno tantum vivificato. Capsula 
loculicido-bivalvis, oblonga, calyce inclusa, monosperma. Semen oblongum, 
compressum, scrobiculatum, per lineam totam fere faciem occupantem 
placente- adnatum ; embryone in axi albuminis carnosi, radicula terete, 
superá, cotyledonibus oblongis planis longiore. 
m YM ESL ENS HN 
js From parehos, a bundle, in allusion to the flowers being collected in close 
