105. LABIATA. 273 
natus, distincte bilabiatus, labio postico lato breviter tridendato, 
labio antico angusto longiore longe aeuteque bidentato ; corolla 
glabra, parum curvata, lobis 4 superioribus rotundatis subzquali- 
bus, lobo antico longiore concavo integro ; stamina inclusa, fila- 
mentis glabris. Nucule pallide brunnex, oblongsm, parce 
puberule. 
SzECHUEN: North Wushan (4. Henry!). Herb. Kew. 
Characterized by slender stems, naked below the middle, and 
very thin leaves crowded at the base of the inflorescence. 
“12. Plectranthus ($ Isodon) racemosus, Hemsl., n. sp. 
Herba perennis, glabrescens, erecta, 2-3-pedalis, interdum 4- 
pedalis, caulibus simplicibus vel plus minus ramosis robustius- 
culis tetragonis, internodiis quam folia brevioribus. Folia 
petiolata, papyracea vel fere membranacea, rhomboideo-ovata, 
utrinque longissime attenuata, acuminata, 3-6 poll. longa, sur- 
sum grosse dentata vel serrato-dentata, glabra vel glabrescentia, 
venis primariis lateralibus utrinque circiter 3 cum secundariis 
transversis connectis, venis ultimis inconspicuis dense reticulatis. 
Flores albi vel rosei (teste Henry), vix semipollicares, racemosi 
vel pseudo-racemosi (7. e. pedunculis interdum trifloris), breviter 
graciliterque pedicellati, racemis axillaribus terminalibusque 
gracilibus 3-6 poll.longis puberulis; calyx primum puberulus, 
distincte bilabiatus, labio superiore tridentatus inferiore biden- 
tatus, fructifer rigidus, nervosus, eurvatus; corolla glabra, tubo 
latissimo postice gibboso, labiis subsquilongis, antico navieuli- 
formi; stamina 4, breviter exserta, filamentis glabris. Mucule 
straminee, glabrz, nude, compresso-rotundate. 
Hureu: Ichang, Patung and immediate neighbourhood (A. 
Henry, 417, 418, 2463, 4855!) ; SzkcuvEN : South Wushan (A. 
Henry!) Herb. Kew. 
Characterized by large, coarsely toothed leaves gradually 
tapering at both ends, and racemose or subracemose flowers with 
a relatively very broad tube gibbous on the upper side. 
/13. Plectranthus ($ Isodon) rubescens, Hemsl., n. sp. 
Herba perennis, erecta, glabra, multicaulis, eaulibus 4-gonis 
vel fere 4-angularibus gracilibus szpius simplicibus 12-18 poll. 
altis atque foliorum venis calycibusque rubris vel rubescentibus. 
Folia longe petiolata, tenuia sed vix membranacea, ovata vel 
rhomboideo-ovata, cum petiolo 1-23 poll. longa, acute acuminata 
