36 ; THE JOURNAL OF BOTANY 
Thymus precox Opiz.—The last species with which we propose 
to deal at present is Thymus precox tie We have seen plants in 
; 
bus subses silibus peo ebae. ‘corollis calice ta aa warn 
inclusis.’ 
We contrast below the characters of the four species dealt 
wit th :-— 
I. Superectt Velen. /.c. p. 278. 
1. Thymus ovatus Miller.—Ramis erectis ramosis inflorescentid 
terminali quadrangulis plerumque bifariam hirsutis, foliis majort- 
s ovatis vel ovato-oblongis tenuibus planis basi ad margines 
ciliatis usque omnino glabris, nervo medio tenui prominulo secun- 
rgines percurrentibus, inflorescentia elongata, 
verticillastris + remotis oe sicjibinlatin !), floribus pro more 
minoribus. Stolonibus nullis 
, 
II. Repentes Velen. J. c. p. 280. | 
2. T. Serpyllum L.— Ramis floriferis sideeonetoer oe i 
axillaribus (nec terminalibus) sepe circacireum breviter pilosis, 
| 
nulo, secundariis sepe obsoletis, floribus in ca ue brevum con- 
gestis. i: Btolelabns valde eichgittes repentibus sterilibus. Preecipue 
arenosorum et ericetorum incole. a 
3. T. precor Opiz.— Ramis elongatis sterilibus et floriferis 
abbreviatis axillaribus excellens, sed differt foliis multo majoribus 
latioribusque planis sape spathulatis vel late obovatis, mervis 
is prominulis, captulis majoribus minus congestis necnon 
prea tempore precocioribus. Loca arida collesque caleareos 
5 
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B36. 
~— DQ 
aspectu facile dignoscendus. A speciebus precedentibus sectionis 
Repentes ramis sterilibus brevioribus, foliis majoribus ovatis vel 
ovato-oblongis tenuibus magnis discoloribus planis seapius breviter 
petiolulatis glabris, nervatione T. ovato congruentibus, ramis flori- 
Jeris magis elongatis, quadrangulis bifariam pubescentibus vel sub- — 
glabris inflorescentia subcapitata longiore, a lete purpureis 
vel roseis habitationeque shins vel subalpina discrepat. 
tybrid Thymes appear to be fairly numerous in England 
judging from the material we have 7 Aer wi Serpyllum X — 
ovatus ichiail being the commonest cross. Some of these show — 
the influence of Bens parentage, but differ in their shorter — 
stolons, terminated by an inflorescence, are more robust, and . | 
have looser heads. Other 1 forms are nearer 7. ovatus, but can be 
